1 med. onion, sliced
2 lbs. beef sirloin, cut into thin strips or round steak
1 tsp. salt
1 tsp. pepper
1 tbsp. vinegar
1 lg. jar sliced mushrooms
2 stalks celery, sliced
1 bell pepper, sliced lengthwise
12 oz. Sprite
3 tbsp. soy sauce
1 beef bouillon cube, crushed
1 can bean sprouts, drained
1 can bamboo shoots, drained
1 can sliced water chestnuts, drained
1 pkg. snow peas, frozen

Saute onions in two tablespoons oil until soft. Add beef strips, cook and stir over high heat until meat is slightly brown. Sprinkle salt, pepper and vinegar over meat. Add celery and bell pepper. Cook 5 minutes. Add all remaining ingredients and cook 5 minutes more. Serve over rice.