I agree with your assessment that the difference is entirely negligible. About the only thing I can think of that could account for any difference is that with heat, there will be infrared radiation being emitted from the food and reflected back by the foil. I suppose it's possible that the dull surface reflects less of the IR radiation than the shiny side, but that, again, is probably negligible. Maybe the greater the heat of the item being cooked, the greater the reflected heat, and this becomes a loop. But this has been tested enough to not warrant that next step in testing.
Why is one side shiny and one side dull? It’s part of the manufacturing process. The rollers that the foil comes off makes one side change. I’m not sure if the dull or shiny side is against the roller during manufacturing.
I've read that two sheets are rolled together. The two inside surfaces are the shiny side and the two outside surfaces that touch the rollers are the dull side.
Yeah, a 1% difference is nothing. I can see if it’s out in the sun, the shiny side may reflect light at a higher rate, but again it’s probably minimal.
Chef Jean Pierrre will use foil, but he doesn't allow contact with the food, so he will put parchment paper between foil and food. Check out his TH-cam channel. 56 years in the business and he is amazing and funny. Just a suggestion for another perspective. He loves butter and says onyo instead of onion and also loves the Maillard reaction. Happy Cooking.
Yes, I'm aware of some people that place parchment paper or even Saran Wrap between meat and aluminum foil. This can be especially helpful when cooking acidic foods that tend to dissolve the foil, creating pinholes in the foil. Doesn't seem to be a problem with most barbecued meats that I'm familiar with.
I was trying to think of exceptions to using two layers of foil and the only one I could think of was when I’ve cooked pork butts in foil pans, in which case a single layer of HD foil does the job. Otherwise, two sheets is better than one.
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Chris thank you for compiling all these different sources of information! Great video!
Did research a while back and concluded the same after contacting Alcoa. Love what you do with indepth videos!
I agree with your assessment that the difference is entirely negligible. About the only thing I can think of that could account for any difference is that with heat, there will be infrared radiation being emitted from the food and reflected back by the foil. I suppose it's possible that the dull surface reflects less of the IR radiation than the shiny side, but that, again, is probably negligible. Maybe the greater the heat of the item being cooked, the greater the reflected heat, and this becomes a loop. But this has been tested enough to not warrant that next step in testing.
Why is one side shiny and one side dull? It’s part of the manufacturing process. The rollers that the foil comes off makes one side change. I’m not sure if the dull or shiny side is against the roller during manufacturing.
I've read that two sheets are rolled together. The two inside surfaces are the shiny side and the two outside surfaces that touch the rollers are the dull side.
I always assumed the shiny side was more non stick when wrapped around food.
Yeah, a 1% difference is nothing. I can see if it’s out in the sun, the shiny side may reflect light at a higher rate, but again it’s probably minimal.
Chef Jean Pierrre will use foil, but he doesn't allow contact with the food, so he will put parchment paper between foil and food. Check out his TH-cam channel. 56 years in the business and he is amazing and funny. Just a suggestion for another perspective. He loves butter and says onyo instead of onion and also loves the Maillard reaction. Happy Cooking.
Yes, I'm aware of some people that place parchment paper or even Saran Wrap between meat and aluminum foil. This can be especially helpful when cooking acidic foods that tend to dissolve the foil, creating pinholes in the foil. Doesn't seem to be a problem with most barbecued meats that I'm familiar with.
Which way round is best for making a foil hat?
😉
Sources say that shiny side out prevents most, but not all, mind reading or mind control. Dull side out is not as effective. 😃
@@TheVirtualWeberBullet, excellent. I'll remember that.
It doesn't matter which side faces out... but you need to use at least 2 layers, to ensure efficacy.
I was trying to think of exceptions to using two layers of foil and the only one I could think of was when I’ve cooked pork butts in foil pans, in which case a single layer of HD foil does the job. Otherwise, two sheets is better than one.