Beef Steak In Soy Sauce
["1 1/2 lb. sirloin or porterhouse steak", "1 big onion, sliced crosswise", "1 Tbsp. lemon juice", "3 Tbsp. soy sauce", "1/4 tsp. salt", "1 Tbsp. sugar", "1/2 tsp. m.s.g.", "3 Tbsp. oil", "1/2 c. water"]
["Pound meat with the dull edge of a cleaver to tenderize it. Slice into strips about 2 x 4-inches."]
["sirloin", "onion", "lemon juice", "soy sauce", "salt", "sugar", "oil", "water"]