1 1/2 lb. top sirloin steak, cut 1/4 inch thick
1/2 c. soy sauce
1/2 c. water
2 tbsp. brown sugar
2 cloves garlic, crushed
1 tbsp. fresh ginger root or 1 tsp. ground ginger

Mix ingredients and add meat. Marinate 2-5 hours. Grill and serve on buns.