2 tbsp. oil
1 lb. sirloin tip, cut in 1/4 inch strips
1/3 c. soy sauce
1/3 c. water
1 tbsp. sugar
1 tsp. monosodium glutamate (optional)
2 c. 3/4 inch bias cut celery
2 c. 1/4 inch bias cut onions
1 bell pepper, cut in 1/4 inch strips
2 (5 oz.) cans water chestnuts, drained and sliced
1 (6 oz.) can sliced mushrooms

Cook meat briskly in oil, 1 or 2 minutes. Add soy sauce, water, sugar, and monosodium glutamate. Bring to a boil, add celery, onion, peppers and cook over high heat 3 minutes. Add chestnuts and mushrooms and cook 2 more minutes. Thicken with 1 tablespoon cornstarch in 2 tablespoons cold water. Serve over boiled rice.