Coffee Roasting Explained

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  • เผยแพร่เมื่อ 22 มิ.ย. 2024
  • Coffee roasting is fascinating, and there's so much more to talk about than we cover here. We'll definitely dive deeper in the future - so do please share any ideas or suggestions for things you'd like to see.
    Thank you to Allpress Espresso and Climpson & Sons for letting us film and interrupt your busy working days:
    uk.shop.allpressespresso.com/
    climpsonandsons.com/
    Thank you also to the roasting team at Square Mile for the assistance in making this.
    Links:
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ความคิดเห็น • 1.9K

  • @darkmage7771
    @darkmage7771 ปีที่แล้ว +2532

    I think you could make an entire TV series around James traveling to various Coffee Origin locations, talk about what goes on into the flavor profile, and then bringing those beans through the entire process to a cup for tasting at the end of the video. Would be so fascinating.

    • @matthewmorgan3240
      @matthewmorgan3240 ปีที่แล้ว +52

      Agree, a TV series would be amazing, but I think he pretty much covers all of this in his book The World Atlas of Coffee.

    • @oscarrink2772
      @oscarrink2772 ปีที่แล้ว +49

      Would be an easy pitch to the execs as a TH-cam original series

    • @RyanTuller
      @RyanTuller ปีที่แล้ว +2

      @vice

    • @andiroo07
      @andiroo07 ปีที่แล้ว +11

      I would 100% watch that.

    • @mstrange6000
      @mstrange6000 ปีที่แล้ว +14

      Road trip style with a comedic side-kick to act as the viewer and ask our stupid questions.

  • @jimbobbob9063
    @jimbobbob9063 ปีที่แล้ว +1415

    James in his natural habitat

    • @JokeswithMitochondria
      @JokeswithMitochondria ปีที่แล้ว +32

      A wild James appears

    • @tomhappening
      @tomhappening ปีที่แล้ว +3

      @@JokeswithMitochondria I was curious about your username so clicked on ur profile. Wasn’t disappointed haha

    • @ellenrik
      @ellenrik ปีที่แล้ว +6

      I'd love to see David (oops) Attenborough (sp) do a short video on James in the wild, chasing coffee.

    • @LobbySeatWarmer
      @LobbySeatWarmer ปีที่แล้ว

      *David Attenborough voice*

    • @aesop2733
      @aesop2733 ปีที่แล้ว +2

      The man was gestated in a womb full of espresso.

  • @KeppyKep
    @KeppyKep ปีที่แล้ว +185

    I just want to say the camera-work going inside the roaster, and then the animation of the bean getting more and more roasted was absolute incredible!!
    High-budget documentary type stuff.

  • @lukewid
    @lukewid ปีที่แล้ว +593

    I would love to see more videos about processing (anaerobic, aerobic, lactic, natural, honey, washed, etc). Excellent video James and crew!

    • @benschweizbach4478
      @benschweizbach4478 ปีที่แล้ว +16

      This is what I came to ask for. I’ve really been enjoying my current bag of 72 hr anaerobic natural process Honduran and while I’m familiar with each of these words individually, when put together they’re a bit mysterious

    • @c4li
      @c4li ปีที่แล้ว +2

      yes! i just had some wilton benitez pink bourbon beans and oh my word! i thought i knew what coffee can taste like, boy was I wrong. The process is Double anaerobic thermoshock.

    • @claudiomarangone614
      @claudiomarangone614 ปีที่แล้ว +1

      Wha WHAT?
      At this point, I don’t know what that is but will research immediately! 😂

    • @lyricbread
      @lyricbread ปีที่แล้ว

      Yes!

    • @Jennandclarke
      @Jennandclarke 5 หลายเดือนก่อน

      Yes, I was just going to mention this. Some of these I didn't even know of, but would love to know more about these processes and how they differ. 🙂

  • @mattbow_
    @mattbow_ ปีที่แล้ว +610

    James I would love to see a 'Coffee Confidential' documentary. I'd love to see you go around the world doing a full length documentary from growing all the way to enjoy the cup.

    • @LogicalQ
      @LogicalQ ปีที่แล้ว +31

      I just want a neck tie with the beans in the scale of light to dark from this video

    • @serviocabrera
      @serviocabrera ปีที่แล้ว +5

      Agree with Matt. Taking tours where great coffee beers are cultivated, and why they taste the way they do.

    • @matthewmorgan3240
      @matthewmorgan3240 ปีที่แล้ว +5

      Around the coffee world in 80 days ! Roll over Michael Palin / Jules Verne !

    • @sh4d0wknight
      @sh4d0wknight ปีที่แล้ว +14

      Do you mean a Coffeedential?
      ...I'll see myself out.

    • @gtrfreak
      @gtrfreak ปีที่แล้ว +2

      In Guatemala 🇬🇹 😊

  • @donlourie769
    @donlourie769 ปีที่แล้ว +269

    This was an impressive talk. There was not one wasted word: exquisitely organized with very specific visual accents. Well done!

  • @anao7671
    @anao7671 ปีที่แล้ว +51

    At the age of 6, I remember watching my grandmother toasting coffee over an open fire in an iron pot. Said pots bottom, was blackened with soot with years of use, and she would constantly stir the beans with a wooden paddle that had the signs of being used for that purpose. This coffee had been picked, dried, roasted , and ground in my great-grandmother back yard.❤

  • @dawsonjohannes613
    @dawsonjohannes613 ปีที่แล้ว +224

    James, I’m a mechanical engineer in the manufacturing industry (at a sponge manufacturing facility) here in the States. I am always so impressed with your ability to explain processes scientifically and tactfully. I’m early on in my career, but man what I would do to get back into the coffee industry as an engineer working with these awesome machines. Content like this keeps my eyes on the prize.

    • @gin4580
      @gin4580 ปีที่แล้ว

      Damn bro that sounds boring as shit

    • @DarrenLer
      @DarrenLer ปีที่แล้ว +1

      Let me know if oxidation is a critical element in the roasting process, good luck in your coffee journey !

  • @26Rpkone
    @26Rpkone ปีที่แล้ว +209

    James, as a long-time viewer of your channel, a customer of Square Mile, and someone who is looking to break into the coffee roasting industry, I want to thank you for this video. I have never been more encouraged to follow my passion and do what I love. Coffee is a magnificent blend of art and science, and to see a glimpse of your workflow is awesome. Keep inspiring!

  • @rainmannoodles
    @rainmannoodles ปีที่แล้ว +16

    Starbucks starts at around the point you stopped roasting. 🤣

  • @deianogueira1
    @deianogueira1 ปีที่แล้ว +86

    I am from Brazil, and I grew up on a cattle farm where we had a small coffee orchard. I remember tasting the coffee cherries when they were ripe and ready to be harvested and sun-dried. After that, we would roast the beans in an iron-cast manual roaster that was the size of a popcorn pan. The coffee was pretty great.

  • @Demonictrial
    @Demonictrial ปีที่แล้ว +85

    It'd be interesting to see how a roaster chooses a batch or farm and then after deciding what they want to try, deciding on the profile for the roaster they have in their facility

  • @sebastianpina709
    @sebastianpina709 ปีที่แล้ว +138

    I cannot express how grateful I am about the knowledge that you share with us. Your channel has single handedly helped me to become better at making coffee and not by just following a recipe, but actually understanding what is going through the whole process. You are the best ♥

  • @MorpheusXTRM201
    @MorpheusXTRM201 ปีที่แล้ว +84

    Coming from an island that grows their own coffee, I recall my grandmother roasting her beans; obtained from my uncles farm, with an aluminum rice cooking pot, fire wood and a stick. Keep in mind, she was raised as a farmer in her youth and this was the cheapest way to roast coffee by hand and she was able to roast it black and it always came out perfect. Years of making that from hand must had made the best coffee I have ever remember. This video made me remember those years and if I where to find a recreation of it I would do so to brink back that tradition. Hey James, if your interested in that, maybe in a future video an exploration of islanders roasting coffee might be a good idea but that would be difficult to find someone still roasting coffee that way.

    • @ilcomendante
      @ilcomendante ปีที่แล้ว +1

      Which island if one may ask?

    • @SeanofAllTrades
      @SeanofAllTrades 11 หลายเดือนก่อน +1

      I believe that's how they do it in Ethiopia as well

    • @eramzehra7093
      @eramzehra7093 9 หลายเดือนก่อน

      Sounds awesome

  • @Freeedy
    @Freeedy ปีที่แล้ว +9

    James, since retirement 3 years ago I have lived mostly in my wife’s country of origin, Vietnam. I’m continually discovering all sorts of different flavours and coffees especially in some of the more remote parts as I travel around. I suggest you should make a documentary about coffee growing, roasting and consumption in this country. It’s a thoroughly interesting coffee producing country. Btw I thoroughly enjoyed and learned a huge amount about coffee and roasting, 🙏

  • @roastwrangler
    @roastwrangler ปีที่แล้ว +58

    Concise, focused and accessible - there are few better explainer videos that exist on TH-cam than this one. High kudos James - and deepest respect!

  • @ethanhayes9989
    @ethanhayes9989 ปีที่แล้ว +93

    These intros are becoming disgustingly good. You and your production team are doing excellent work.

  • @SenorRobb
    @SenorRobb ปีที่แล้ว +9

    It would be really cool to see a series of you starting from the beginning process of the coffee plant, working at the farm, educating us on the importance of moisture, sun, shade, altitude and soil content in order to produce the best coffee bean possible. Then to transition into the drying phase and the importance of which method is best when drying the beans after plucking them from the plant. To eventually continuing with the roast process and tasting in a variety of methods to enjoy the wonderful cup of your dreams!

  • @douglasracionzer8900
    @douglasracionzer8900 ปีที่แล้ว +4

    I enjoy the quirkiness of home roasting on my popcorn machine. I get raw beans cheaper than roasted beans and roast a batch a week. Great fun!

  • @MaddieWitlermusic
    @MaddieWitlermusic ปีที่แล้ว +91

    I think it might be neat to see a comparison of a few different roast profiles but with the same roast degree, and maybe a discussion of how that can affect the taste. Or maybe more generally, the same coffee roasted many different ways and a discussion of how that affects flavor, would be fun as well. Love this, thank you!

    • @rh9909
      @rh9909 ปีที่แล้ว

      This!

    • @ian54589
      @ian54589 ปีที่แล้ว +1

      Came to comments to request this as well

    • @ScarsOfAFracturedSou
      @ScarsOfAFracturedSou ปีที่แล้ว

      Yes!!! I understand that roasters have differing profiles, but when they aim for a the same goal (ie. Light or City Roast), how different machines affect overall taste from a single origin differently.

  • @Whamola
    @Whamola ปีที่แล้ว +6

    I use to work next to a large scale coffee roaster. People who didn't work there would tell me that were so jealous about how much fresh coffee smells I would be around.
    When we'd turn on the heat or air conditioning the whole warehouse would fill with the smell of burned popcorn. Yum that fresh roast smell...

  • @jamestamu83
    @jamestamu83 ปีที่แล้ว +7

    I used to work for a large commercial coffee roaster in the US. We used both Robusta and Arabica beans, combining them in various ratios to control costs while keeping taste consistent. he Robusta would be roasted darker and ground more coarsely, while the Arabica would be roasted medium and ground very finely so as to extract the most (best) flavor. Beans sourced from different countries around the world each had their own profile in order to keep the final taste consistent. Great video, please keep them coming.

  • @ariavalencia-213ua
    @ariavalencia-213ua ปีที่แล้ว +362

    More videos on coffee processing methods like anaerobic, aerobic, lactic, natural, honey, washed, etc. would be awesome! Excellent work, James and crew! 👍☕

    • @Testperson001
      @Testperson001 ปีที่แล้ว

      Yes please

    • @smilecollector4683
      @smilecollector4683 ปีที่แล้ว

      😅😊 0:53 😊

    • @smilecollector4683
      @smilecollector4683 ปีที่แล้ว +2

      😅😊 0:53 😊😊😊😊

    • @rock_joy
      @rock_joy ปีที่แล้ว

      Lovely channel, I was about to ask for the same

    • @justinloring6571
      @justinloring6571 ปีที่แล้ว +2

      There is a cool podcast called making coffee with Lucia Solis where she goes really deep into coffee processing. Really cool, and I have recommended the podcast to many people who are curious about the different processing methods that have been around and the ones that are starting to pop up and become more popular.

  • @phosphor8416
    @phosphor8416 ปีที่แล้ว

    Thank you James for another high-quality, well-made and absolutely entertaining video! I have been enjoying your enthusiasm and love for coffee a lot. In this episode I liked most the different sceneries or spots where you filmed, creating a broad spectrum of impressions and perfectly illustrating what you say. 100% would recommend your channel!

  • @lftr_react
    @lftr_react ปีที่แล้ว +29

    Ah yes, the 'fluid bed' roaster. The inventor of the modern design of this roaster was issued the design patent in 1998. He sold it to the company I work for and became a partner in the business. We still have the bronzed patent on display in our entryway today.

  • @BrainStewification
    @BrainStewification ปีที่แล้ว +27

    Not sure if this is something you could go into, but it would be interesting to dig into the chemistry more for me. What types of chemicals make up what you call the origin characteristics. I'm a big tea person and I once went to a convention where someone broke down the chemicals found in different types of teas -- black, oolong, white, green -- and what scents/flavors those impact based on smelling them on their own, and how they can vary over cultivars/terroirs. Would be interesting to hear some of that for coffee.

  • @DonKangolJones
    @DonKangolJones 9 หลายเดือนก่อน

    I love coming back to these videos to freshen up my knowledge. I haven't roasted my own beans at home in a year, and it's nice to have this as a little guide before I start up again.

  • @OlsenTheWonderDog
    @OlsenTheWonderDog ปีที่แล้ว +2

    I am impressed with your knowledge of coffee, coffee production, and coffee preparation as well as your ability to impart your knowledge in an easily understood, informative, and yet entertaining manner. Well done. Thank you.

  • @ez_guess
    @ez_guess ปีที่แล้ว +28

    Wow and just this morning I thought about how we didn't get a James Hoffmann video for a long time.
    Thank you so much for these amazing quality videos!

  • @bryanthelion610
    @bryanthelion610 ปีที่แล้ว +23

    As an avid home roaster and a long-time engineer in the industrial manufacturing world this is super cool to see. It’s wild how many components on these roasters i recognize, makes me want to up my game, take some drawings to a local machine shop, & Frankenstein my own roaster

  • @BillyONeal
    @BillyONeal ปีที่แล้ว +1

    That opening shot was amazing!

  • @stephaneislistening6103
    @stephaneislistening6103 7 หลายเดือนก่อน

    The guy is so good, the way he talks and goes around his subject. That is above the regular channels. Thanks for the effort. Very good job. The frenchie is impressed.

  • @laurienafe5390
    @laurienafe5390 ปีที่แล้ว +20

    I would love to see a video explaining the differences between washed, natural, and honey processed coffee and what that does to the flavor profile.
    P.S. thank you for the time and energy you put into these videos. It is always a pleasure to watch!

    • @grabble7605
      @grabble7605 ปีที่แล้ว +6

      The difference is primarily about how/when they clean the fruit (called a coffee cherry, but not related to cherries at all) off the beans (seeds) before the roasting.
      *Washed/Wet* = The bean is immediately, and entirely, cleaned of its fruit. Then fermented, then literally washed in water to remove the mucilage (a sticky layer of sugary fruit remains on the bean/seed) . Cleaner taste. Commonly floral or tart. Light, tea-esque texture.
      *Wet-Hulled* = The bean is immediately washed clean of fruit but the mucilage left on during transport to a mill elsewhere for the rest of processing/drying. Typical in wetter, humid growing regions where the drying can't be consistently carried out because of the climate. Sort of a mid-point between Washed and Honey process.
      *Natural* = the fruit dries out whole before the bean is removed. Tend to be fruitier than a washed bean, still acidic but not so tart.
      *Honey* = The flesh/pulp of the cherry are removed but called the mucilage is left on the bean/seed to dry out. Tends to be jammy and heavy-bodied, far from acidic. Honey further divides into white, yellow, red or black honey depending on how much of the mucilage is left on during drying (black = 100%, red = >50%, yellow = 50%-25%, white = 20%). The mucilage is loaded with fruity sugars so honey process is often quite sweet and fruity...Hence the jammy quality, which increases in order from white to yellow to red to black.
      *Anaerobic* = This is technically a qualifier to any of the above processes rather than a process itself. It just means the fermentation+drying occurs in a vacuum without oxygen. Tends to be low-acidity, with intense floral or winey flavors.
      *Experimental* = A mostly-market term denoting various combinations of the above known processes or testing of different variables (like processing at precise controlled temperatures and such).

    • @laurienafe5390
      @laurienafe5390 ปีที่แล้ว +1

      @@grabble7605 thank you!

  • @mrcrow_GG
    @mrcrow_GG ปีที่แล้ว +53

    In part two I'd like to see roasting different processed coffee (natural, washed, anaerobic/experimental). I often see naturals/anaerobic/etc coffees to be roasted darker than the washed coffee. When I talked with some roasters they told me that it could be challenging roasting these "wild" processed coffees - at first glance, it may look like they are roasted darker but if I understand that correctly, they are roasted on the same level but they only look darker.

    • @bonwick
      @bonwick ปีที่แล้ว +6

      Long-time home roaster here (started on iRoast, then Behmor, now Aillio Bullet R1). Generally the dry-process ("wild") coffees benefit from lighter roasts because the origin flavors have a lot of fruit and berry that darker roasts often kill. As for color though, it's tricky. As the coffee roasts the things you can measure and observe are time, temperature, rate of rise (how fast the temperature is changing), color, smell, sound (first and second crack), and surface texture. And all too often, these give conflicting signals. I find that calling the end of a roast is usually a "preponderance of the evidence" decision with plenty of reasonable doubt. And I've been doing it for 20 years.

  • @TPark-rf3lt
    @TPark-rf3lt ปีที่แล้ว

    can we take a second to appreciate the editing and honesty high quality of these videos... just great. it adds to the experience of watching

  • @aaronza7218
    @aaronza7218 ปีที่แล้ว

    Great content. I can watch content like this this whole day. Thank you James!

  • @nickhey7374
    @nickhey7374 ปีที่แล้ว +12

    this has been the best video i have watched to date. i used to always get dark roast thinking it was the 'most coffee flavour' so to speak. i am now thinking about changing my drinking habits and switching to a medium roast as this appears to get the best of all the different aspects of taste

  • @ThumpingThromnambular
    @ThumpingThromnambular ปีที่แล้ว +7

    Wow, a whole video of him explaining how to tear apart a cup of coffee's self esteem bean by bean.
    Thank you for passing your wisdom.

    • @silpheedTandy
      @silpheedTandy ปีที่แล้ว +2

      "Psh, you call yourself speciality? I've seen coffee more special than you at the dollar store!"
      remember folks, please be kind to your coffee beans! they've been through a lot!

  • @honey4clover
    @honey4clover ปีที่แล้ว

    Finally a high-quality video on the detailing of coffee roasting! That lineup of gradation on white surface is so mesmerizing😍

  • @Mayonnaise69
    @Mayonnaise69 ปีที่แล้ว

    I like to watch and listen to people who are passionate about stuff and also geniuses. It is calming. This is nice

  • @wertperch
    @wertperch ปีที่แล้ว +6

    This is fascinating, and thank you. As to questions, my first question is about the chemistry of roasting, i.e. what is happening with the compounds that create the flavours? I've been reading about the various volatiles that make up the flavour profiles and find it intriguing. The other question is one that I suspect you will answer in the future; namely how to roast effectively at home.
    You (and a couple of local roasters) have helped me improve my understanding and appreciation of coffee hugely. I owe you a massive vote of thanks. Your Moka pot series in particular has been massively helpful.

  • @TheGreatSatan_
    @TheGreatSatan_ ปีที่แล้ว +8

    I loved that TV series called Dangerous Grounds where he would venture to countries trying to find new single origin beans. He also showed the massive warehouses where all the coffees from area would just be mixed (ggod and bad) together giving you that generic "Colombian" coffee

  • @Delmar829
    @Delmar829 4 หลายเดือนก่อน

    OUTSTANDING class !!!!! Thank you so much for taking the time to do this.

  • @robertschaeffer3072
    @robertschaeffer3072 6 หลายเดือนก่อน

    One of the most helpful lessons I’ve had in my coffee journey so far. I was finding common characteristics across similar roast levels of different beans but didn’t have the “why”. This tied it all together. Thanks James!

  • @thomasroberts6008
    @thomasroberts6008 ปีที่แล้ว +5

    Love these videos in the factory in the thick of it. I'd love to see an almost "How it's made" style video of grinder burrs being designed and manufactured. Burrs feel very voodoo and black magic it would be interesting to demystify

    • @josmith2002
      @josmith2002 ปีที่แล้ว

      The best are the old intricately carved hand mills- grind the coffee super fine so no grit can be felt so the best Turkish coffee can be brewed by an old woman wearing a head scarf who will 🔜read the dregs in your upturned coffee cup afterwards 🧿🧿😊

  • @weeliano
    @weeliano ปีที่แล้ว +13

    Finally! For someone who roast their own coffee using home made equipment, this episode is long due! I definitely want to see more videos on home roasting and especially home made solutions. I find the commercial home roasters are priced out of reach for most people and hand and stove top roasters are just too much of a hassle to use. I personally use a home made design based on Larry Cotton's flour sifter and heat gun roaster and it works great for me!

    • @williamdavignon8956
      @williamdavignon8956 ปีที่แล้ว +1

      I had never heard of this. The design is so simple, I might give it a go ! Thank you

    • @aaronboggs5799
      @aaronboggs5799 ปีที่แล้ว +1

      I don’t know if this is similar at all, but The Wired Gourmet has a video on home roasting that involves a pan on a burner along with a heat gun that sounds potentially similar.

    • @weeliano
      @weeliano ปีที่แล้ว

      @@aaronboggs5799 Yes, using the heat gun to roast coffee is quite common actually. There's the dog bowl method which is quite messy. If you search for flour sifter coffee roaster on youtube, you will find many examples.

  • @madsens90
    @madsens90 ปีที่แล้ว

    Thank you James!
    You earlier on asked if we had any questions you could do videos about. I asked about the 'espresso' label. Your explanation at 13:00 where you simply explain that "espresso simply means its more soluble", is exactly what i needed, and so easy to understand now that you've explained it like that. Thank you!

  • @Radu901
    @Radu901 ปีที่แล้ว

    As always incredibly insightful and wonderful to watch

  • @jamestaylor5067
    @jamestaylor5067 ปีที่แล้ว +10

    Would be really cool to see a video about the different processing methods for coffee.

  • @l4ndst4nder
    @l4ndst4nder ปีที่แล้ว +31

    As someone getting into roasting my own coffee, I’m very curious to have more detailed traits to watch out for. Like I enjoy light coffees but my first batch had a tea flavor almost. I had to extend my roast time a bit to get a closer flavor to what im looking for.

    • @lzl4226
      @lzl4226 ปีที่แล้ว +5

      It can depend on the type of coffee bean. I do find some denser beans tend to taste a bit grassy even at the point when first crack ends. You can either roast a bit longer in total time, but risk losing some of the flavor, or you can go a slight bit darker, which is what I usually do. There's another possibility which is unevenness between the inside and the outside of the bean, for example it can look darker than it actually is. You can test it by placing a roasted bean on the table, and press with your finger, it should always crack pretty easily regardless of the colour. If it doesn't then it's definitely not ready. You can then check the colour of the cross section. If the inside is lighter than outside, again, not a good sign. But if it passes those test, and yet the beans still taste grassy, or nutty, go a bit longer, some coffee is just more suited for the darker end of a light roast.

    • @tungstenzephyr
      @tungstenzephyr ปีที่แล้ว

      I very much second this comment. I've been dabbling into roasting and think I have got the basics down, but since there's so much depending on your setup (like James said) I'd very much like a "this generally produces that" kind of explanation of the phases and times for roasting.

  • @richardburkow3792
    @richardburkow3792 ปีที่แล้ว

    I love this! Can't wait for your videos on coffee roasting at home. Thanks!

  • @mac2105
    @mac2105 10 หลายเดือนก่อน

    Love your content, thanks James!

  • @joeldenis1935
    @joeldenis1935 ปีที่แล้ว +6

    Excited to finally see a more detailed roasting video from Papa Hoffman! Been home roasting for 4 years now and love the process, although I am getting a bit tired of agitating the beans with a manual crank. Currently in the process of building a small air roaster, can't wait to have the bean temperature data to help me accurately follow a profile as opposed to randomly increasing my heat gun by an imperial notch (I think that converts to 1.5 metric notches). Thank you so much for reading, and I hope you have yourself a great day!

  • @roberttower8059
    @roberttower8059 ปีที่แล้ว +5

    I've been roasting at home weekly for 15+ years. By now I thought some of the novelty would have worn off but I'm just as in awe and fascinated by the process as I was at the beginning. I'm still in near disbelief at just how much variability there is with even slight changes in the process. I don't think I'll ever get over it! I would be interested to hear your thoughts on the various roast levels/techniques and the resulting flavor/character profiles.

  • @SevdalijaDamir
    @SevdalijaDamir 24 วันที่ผ่านมา

    Amazing stuff. Appreciate the work. Thanks!

  • @elissamillman4620
    @elissamillman4620 8 หลายเดือนก่อน

    I learned so much. Your organization and style of communication made it easier to comprehend the info. Thanks

  • @finestPlugins
    @finestPlugins ปีที่แล้ว +7

    I'd actually love to see a deep dive into the roasting profiles. How they're tweaked and which tweak affects which property of the final product.

    • @DaBurlyBlend
      @DaBurlyBlend ปีที่แล้ว +1

      Ditto!

    • @jimwells4774
      @jimwells4774 7 หลายเดือนก่อน

      Yes mate
      I have purchased a Gene Cafe machine and it's great but more tips will help me...the novice.
      Having said that I already gave 4 distinctly different batches done.

  • @miles611
    @miles611 ปีที่แล้ว +5

    Awesome educational video! A question: how much does decaffeinating coffee changes its environmental impact? How much more water, and how much of that water is 'clean' or 'dirty' water?
    Also, videos where you travel to meet producers & eplain different origins would be amazing!

    • @sarahrosen4985
      @sarahrosen4985 ปีที่แล้ว +1

      As someone who only drinks water decaffeinated coffee every day, I also want to know.

  • @AlokeshBagchi
    @AlokeshBagchi 8 หลายเดือนก่อน

    Great to be able to listen to your lessons after a couple of year! Thank you

  • @suprem1ty
    @suprem1ty ปีที่แล้ว

    Amazing video James, thank you!

  • @danteort
    @danteort ปีที่แล้ว +3

    Hi James,
    Obviously in the sea of viewers this is but a drop, but I wanted to mention I've been a curious purveyor of your videos for a number of years, and I have been a home-roasting coffee enthusiast for something like 15 years. Honestly don't remember how in the heck I got into roasting coffee at home, but somewhere along the way it became a thing for me. Now it's just part of my weekly routine (for myself and for some close friends)
    Anyway, all that to say that I really liked your explanation of the roasting process and what it means for coffee drinkers. Easy to understand, yet ("on brand" for your videos) you don't underestimate your viewing audience by glossing over the details. As one for whom learning new things is a passion and a pleasure, I really appreciate that.
    As you alluded at the end, I would absolutely love a home-roasting video. Mainly to expose others to this world (as I'm already a convert). I think a great benefit would be for people to learn that 1) coffee shouldn't be gross; people who "hate coffee" just haven't found the right coffee for them, and 2) great coffee is achievable and affordable for anyone.
    Thank you for your videos on all things coffee!

    • @mojoneko8303
      @mojoneko8303 ปีที่แล้ว

      Cool I'm interested in roasting my own beans. Where did you get your roaster and where do you source raw beans?

  • @emarean1352
    @emarean1352 ปีที่แล้ว +3

    I would love to see a home roasters series showcasing different home roster machines and the pro and cons of them.

  • @stinky_bear
    @stinky_bear ปีที่แล้ว

    Wow, this was amazing. Thank you James!

  • @emieljosef8944
    @emieljosef8944 ปีที่แล้ว +2

    Amazing! Thank you James. Firstly, you have an amazing way of explaining things in a way anyone can understand. Always calm and composed and natural body language. Learnt so much from watching your previous episodes.
    This episode was extremely insightful. I’ve been getting my speciality beans roasted for me for years and I’ve always seen so many different the machines, but never once had an idea about the process. Apple TV needs to give you a series where you show the roasting machines and process by different roasters/cafes from around the world. This will also help small businesses and many others to have more customers. Thank James!

  • @samueltpatry
    @samueltpatry ปีที่แล้ว +30

    As usual, great video. In general, I would appreciate more emphasis on the producers. I’d love to know more about how and how much the roast profile changes based on origin, varietal, drying process, etc.

    • @AlexanderNash
      @AlexanderNash ปีที่แล้ว +3

      You wanted more emphasis on beginning of the coffee prodcution chain when this video set out explicitly to cover roasting? Sounds more like an idiotic expectation.

  • @paulbrooks4395
    @paulbrooks4395 ปีที่แล้ว +58

    I went to my local roaster and they mentioned “washed” and unwashed beans. I didn’t understand the significance. They also mentioned raw coffee, which I would like to know more about. Lastly, decaf, which I thought was just dark roast, but it seems there’s more to it.

    • @catherineim
      @catherineim ปีที่แล้ว +16

      1. When coffee people say "washed" coffee, it usually refers to a method of coffee processing, called "washed process" coffee. For more info here, I'd look up "coffee processing methods"
      2. Raw coffee, or green coffee, is unroasted coffee!
      3. Decaf coffee beans are specially processed to literally decaffeinate the coffee, using one of several available methods.
      Hope that's helpful as a starting point!

    • @LudoHanton
      @LudoHanton ปีที่แล้ว

      @@catherineim and so I guess "unwashed" goes for Natural process.

    • @edwardchester1
      @edwardchester1 ปีที่แล้ว +1

      @@LudoHanton Not quite. Washed is perfectly natural but certainly a more modern development and essentially a refinement of coffee bean prep. It's generally considered to produce 'better' (cleaner, fruitier, more defined, less muddy) tasting coffee.

    • @LudoHanton
      @LudoHanton ปีที่แล้ว +1

      @@edwardchester1 In reference to "washed" and "unwashed" coffee, it seems there was a misunderstanding. "Unwashed" do seem to represent the "Natural" process. Both "washed" and "natural" are natural processing methods for coffee.

    • @clarkkent7973
      @clarkkent7973 ปีที่แล้ว +3

      Also, I would like to see the different methods for decaffeination.

  • @GarrettWease
    @GarrettWease ปีที่แล้ว +1

    I’ve been waiting for this video for years. But I’ve been waiting patiently, knowing that when James did give it a go he would be proper thorough and not let us down. Thank you as always for a fantastic explainer!

  • @sergiosoares5798
    @sergiosoares5798 ปีที่แล้ว +1

    I just bought a pack of same-day roasted coffee. what a smell, what a taste!

  • @TastesToolsTrends
    @TastesToolsTrends ปีที่แล้ว +4

    Fantastic piece, James! I’m amazed that many baristas have no idea about cracks or roast level terminology. Also, few consumers consider roast dates when sourcing beans to brew outside a coffee shop. I’ve been having fun tasting roasts and inviting AI tools to hallucinate from my descriptions. It makes drinking the stuff even more enjoyable!

  • @Gabriel-ne4et
    @Gabriel-ne4et 8 หลายเดือนก่อน +1

    This video was so much more than i expected. Great work!

  • @rob8363
    @rob8363 ปีที่แล้ว

    omg I loved this video, nice work James! I knew very little about roasting before and this was a wonderful introduction! thanks!!!

  • @user-oh1oc9rz3s
    @user-oh1oc9rz3s ปีที่แล้ว +3

    As a barista, learning more about origin of beans and the roasting process has peaked my interest and this was super interesting

  • @vitgogolin2561
    @vitgogolin2561 ปีที่แล้ว +57

    I think it would've been interesting if you would taste the coffee throughout the roasting process and compare the taste of the same beans with different roast levels

    • @merc8639
      @merc8639 ปีที่แล้ว +3

      this would be a very interesting experiment.

    • @locomademoiselle
      @locomademoiselle ปีที่แล้ว +3

      agreed! I was hoping you'd taste from the cups in front of you - or is that coming in the next video? :)

    • @anitapaulsen3282
      @anitapaulsen3282 ปีที่แล้ว +1

      I made a similar comment.

    • @riffle91ar
      @riffle91ar ปีที่แล้ว +1

      We have a local coffee shop that roasts their own coffee and the guy that does the roast experimented with a Mexico coffee which is normal roast to a dark and he did a light roast and it is absolutely amazing and imo the way a Mexico should be. Has a cinnamon peanut butter flavor to it.
      So yes that would be so cool to see.

    • @SpektrikMusic
      @SpektrikMusic ปีที่แล้ว

      Different roast profile would be more interesting imo

  • @DarkSavior208
    @DarkSavior208 ปีที่แล้ว

    Best video so far. Love the behind the scenes of how coffee is made!

  • @Kmancanada
    @Kmancanada ปีที่แล้ว

    Wonderfully clear explanation.Thank you.

  • @janosadelsberger
    @janosadelsberger ปีที่แล้ว +5

    First of all: I want a poster with the roast color gradient! Super interesting! Would be interesting to know how the different roasting methods impact flavour in detail. In terms of sustainability the origin and logistics might have a bigger impact than roasting but seems like a pretty energy intensive process, especially if they vent the hot air straight out. Is there a push for non-gas roasters happening and if so is it a trade-off with regards to flavour?

    • @laurasnow7822
      @laurasnow7822 ปีที่แล้ว

      He recently made an electric solar powered roaster. It definitely doesn’t cover every one of your questions but it was very cool. Probably from a month ago or so.

  • @GenericDino
    @GenericDino ปีที่แล้ว +3

    Wake up babe new James Hoffman video dropped

  • @jesusadanhiguerareyes9190
    @jesusadanhiguerareyes9190 ปีที่แล้ว

    The video I was waiting for, roasting, Thank you James, you never disapoint us.

  • @tilongatao
    @tilongatao ปีที่แล้ว

    Brilliant video! I enjoyed the detail and presentation very much!

  • @jeremystone3186
    @jeremystone3186 ปีที่แล้ว +3

    I would love to know more history about Probat, Diedrich, San Franciscan, Bellwether, Loring, Allpress and Java Master roasters. Not only as machines that do a very specific thing, but the origins of the companies, and why they chose to pursue the process they did. Noting the first three are very similar and likely in competition with one another. Thank you.

  • @iiijuaniii
    @iiijuaniii ปีที่แล้ว +3

    it would’ve been great to mention the difference between natural and washed coffee.
    I’ve been to coffee plantations in Peru and Colombia and tasted really unique naturals that I’ve never experienced again since then. The way the workers brewed was also insanely impressive. A lot of respect for them. That’d be an interesting video.

  • @JesseAur
    @JesseAur ปีที่แล้ว

    Loved learning from you! Pls don't stop!

  • @SJ-yc8sv
    @SJ-yc8sv 10 หลายเดือนก่อน

    Your video was extremely useful. I loved it. Thank you!

  • @elingoovaerts1043
    @elingoovaerts1043 ปีที่แล้ว +3

    I would love to go deeper on roasting profiles (for specialty coffee) and how you enhance the acidity, sweetness, aromas … Also how to play with your airflow, temperature, phases, time. I know it depends on your density, variety and what you want to achieve, but still ☺️ Would be interesting to go through the whole roasting process

  • @Markusableitinger1
    @Markusableitinger1 ปีที่แล้ว +13

    Yes James, would be great if you could get a bit deeper into it by explaining the effects of having coffee roasted intentionally with a higher or lower delta (difference between Agtron outside and inside color). I remember my tutor in roasting explaining higher deltas are effectively better for brewing methods (such as V60) as opposed to lower deltas which seem more suitable for espresso making. In my opinion and experience in roasting this actually held true so far. E.g when I used high delta roast for espresso, and by even twisting dosage, temperature, ratios, etc. the espresso usually tends to be on the high acidity, sour side. Whilst a low delta coffee is most of the time a delicious sweet balanced espresso drink but a bit 'dull' when brewed for e.g. V60. Would love to hear your opinion about it, or maybe even better, you have time to make a short video about it.

    • @danirinaldi1044
      @danirinaldi1044 ปีที่แล้ว

      nice thought, and thats why i dont believe ini omniroast, since i believe it will not bring the best of the beans

    • @Markusableitinger1
      @Markusableitinger1 ปีที่แล้ว

      @@danirinaldi1044 Hi Dani, what do you mean when you mention omniroast?

    • @danirinaldi1044
      @danirinaldi1044 ปีที่แล้ว

      @@Markusableitinger1 omniroast usually mean roast profile that accomodate filter brew and espresso. Somewhat inbetween filter roast and espresso roast

    • @Markusableitinger1
      @Markusableitinger1 ปีที่แล้ว

      @@danirinaldi1044 Got it. Thanks. Yes, omni roast are sub-optimal.

  • @JB-555
    @JB-555 ปีที่แล้ว

    Another fantastic video. This process makes me appreciate my cup of coffee even more.

  • @MrChippsXYZ
    @MrChippsXYZ 11 หลายเดือนก่อน

    Knowledge from the perspective of appreciating. I feel i get smarter about coffee watching this with no hints of snobb. Genuine love of coffee. I love your voice too. So calm. I could sleep to this

  • @daffyaj6841
    @daffyaj6841 ปีที่แล้ว +7

    Great video, as always.
    I live in Wuhan, and I'm lucky enough to be right next to an independent cafe which I adore. I noticed they have their own roasting machine, and often wondered about how that would give them the freedom to create their own flavours.
    Maybe when my Chinese is better I can ask them myself, and pick up some niche coffee vocab on the way.
    By the way - fun fact! Cafes are one of the fastest rebounding sectors of the Chinese economy since the end of the Covid restrictions.
    I've seen it first hand: so many new trendy cafes are opening with brands I've never heard of. And very few are what I would consider 'conventional' coffee places. They're more into wacky milk based drinks featuring coffee.
    Some say that's because Chinese folks aren't super into coffee, so cafes mask it with lots of other flavours. Whatever the reason, it's interesting to observe. Coffee is definitely on the rise in China.

  • @TheEightfoldPath_
    @TheEightfoldPath_ ปีที่แล้ว +3

    And here I am roasting beans in my oven lol, those professional tools look amazing. Guess I'll be able to get SOME tips out of the video. Going to enjoy this one!

    • @TheBswan
      @TheBswan ปีที่แล้ว +1

      Even a popcorn popper can roast more effectively than an oven

    • @TheEightfoldPath_
      @TheEightfoldPath_ ปีที่แล้ว

      @@TheBswan Effectively sure, but consistency is nailed down already. I've considered it, but I don't want to add another machine to my already crowded kitchen. Same with an airfryer, they seem to be nice but I value kitchen space.
      I do use the grill from time to time tho, turns out pretty consistent. (Modified rotisserie basket)

  • @GaryBonaducci
    @GaryBonaducci ปีที่แล้ว

    Bravo, James! 👏👏👏 Probably your best video yet! Keep it coming!! ☕️☺️

  • @raygoround3595
    @raygoround3595 7 หลายเดือนก่อน

    so happy watching this video. it is very easy to understand. well presented. thank you so much for this great video.

  • @cliffthegardener
    @cliffthegardener ปีที่แล้ว +5

    I do not know if it is a question of my lack of exposure but decaffeinated beans seem to be darker than the roasters standard bean. How does the decaffeination process affect the bean?

  • @johnsanchez9551
    @johnsanchez9551 ปีที่แล้ว +3

    I'm very interested in the roasting profile and how they relate to the end flavor. It would be nice to see an experiment to compare the different extraction profiles, whether it be drip or espresso, and find if there is an appropriate or optimum match.

  • @josecarlosherrera4938
    @josecarlosherrera4938 4 หลายเดือนก่อน

    These videos are so cool! One really learns a lot. James makes something complex easy to understand

  • @gravelrhoads
    @gravelrhoads ปีที่แล้ว

    Every video you make has been eye opening for me. Keep the great work!

  • @fivestar2227
    @fivestar2227 ปีที่แล้ว +3

    I would love to see a blind taste test on various roasting techniques to determine if there are any detectable flavor differences. ☕

    • @rh9909
      @rh9909 ปีที่แล้ว

      This! Like beans from different type of roasting machine with same roasting profile.

  • @YouTube
    @YouTube ปีที่แล้ว +107

    this is mug-nificent ☕ thanks james !

    • @Nicky-ec8ln
      @Nicky-ec8ln ปีที่แล้ว +3

      Hi TH-cam 😂

    • @musamustafa3390
      @musamustafa3390 ปีที่แล้ว

      Please stop TH-cam

    • @magepunk2376
      @magepunk2376 ปีที่แล้ว +29

      Bring back dislikes please.

    • @Unitedstatesgov598
      @Unitedstatesgov598 ปีที่แล้ว +4

      you know its serious when TH-cam comments 💀

    • @UloPe
      @UloPe ปีที่แล้ว +3

      Looks like TH-cam is a fan of James as well!

  • @garbun0629
    @garbun0629 11 หลายเดือนก่อน

    i'm new to coffee and i picked up a lot of knowledge from this video. easy to understand. thanks James!

  • @gailoakley4010
    @gailoakley4010 ปีที่แล้ว +2

    Omg, I can’t wait for you to do the “At Home Coffee Roasting” video! I am sooo excited for this! This was such an interesting video, I love. So much fun to watch. You’re the best.

  • @classi-cal
    @classi-cal ปีที่แล้ว +5

    Your intros keep improving video by video 🎉