Ingredient
1 pound Beef-top or sirloin steak — (boneless)
1/4 cup Soy sauce
2 tablespoons Sesame oil
1/4 teaspoon Pepper
3 Green onion — finely chopped
2 Cloves garlic — minced
2 teaspoons Sugar — or to taste

Method
Trim fat from beef; put in freezer for 45 minutes; cut beef diagonally across the grain into 1/8 inch slices; mix remaining ingredients except sugar; stir in beef and coat well. Cover and marinate at room temperature for 2 hours or overnight in the refrigerator; return to room
temperature before cooking. Add sugar and marinate another 30 minutes. Stir fry in hot oil using a large skillet or wok over medium heat until light brown, 2 to 3 minutes, do not crowd the pan. Serve with hot cooked rice.