Combine the green onions, garlic, soy sauce, sesame oil, sugar, pepper and sesame seeds and mix well. Pour over sliced sirloin and let marinate over night. Cook the meat in a hot skillet or wok over medium-high heat until brown. Can also cook the meat over a hot grill.
Wrap a couple pieces of the barbecue with a couple spoonfuls of rice in a piece of the lettuce and eat like a wrap.