This is the best Bulgogi ever! You must try! I just used soy sauce, sugar, garlic, sesame oil and black pepper for seasoning. I just added green onions when cooking. The result was great!
One pound of sliced sirloin, 4 Tbsps of soy sauce, 2 Ts of minced garlic, 2 Ts of sugar, 2 Ts of sesame oil, 2 oz of green onions, one quarter of onion, and half teaspoon of black pepper.