Kids eat well. Hamburger steak with lots of vegetables & Korean style tteok-galbi

300g ground beef
300g Beef for Bulgogi
100 g sautéed onion
50 g green onion (white part)
30g minced garlic
Brown sugar 30g, dark soy sauce 30g, glutinous rice flour 30g, sesame oil 15g, cooking wine 15g
Sauce for Tteokgalbi: 2 tablespoons of Ottogi Bulgogi Seasoning, 2 tablespoons of water, 1/2 tablespoon of sesame oil
Sauce for hamburg steak: 40g butter, 100g bulgogi seasoning, 100ml water, 1 spoon Worcester sauce