1 lb. sirloin beef, strips
2 tbsp. oil
1 onion, sliced
1 green pepper, sliced
1 c. celery, chopped
1 c. green beans, cooked
8 tsp. flour
1 tbsp. soy sauce
3/4 c. water
4 oz. sliced mushrooms
Salt to taste

Cut beef into strips and brown in oil. Add onion, green pepper, celery and green beans. Simmer 5 minutes. Combine flour, soy sauce and water; add to skillet. Stir in mushrooms. Cook about 10 minutes until liquid is clear and shiny and beans are tender. Serve with rice.