Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
                        cornstarch
   3      tablespoons   soy sauce
                        sugar
                        pepper
   1      pound         sirloin tip -- sliced 1/8 in.
                        oil -- (peanut)
   1                    onion -- sliced
   2                    green peppers -- sliced
   2      stalks        celery -- sliced
     1/4  cup           cold water
     1/2  teaspoon      msg
  34                    tomatoes -- cut into wedge
   4                    green onions -- 2" strips

Preparation:

Mix 2 teaspoons cornstarch, soy sauce, 1 teaspoon sugar, pinch of salt and pepper; add sirloin. Marinate for 10 to 15 minutes. Drain sirloin; fry in small amount of hot oil over high heat until meat loses red color. Push to outer edge of pan. Add small amount of oil; cook onion, green peppers and celery for 5 minutes. Make paste of 2 tablespoons cornstarch and water; stir in 1 teaspoon sugar, msg and salt and pepper to taste. Add to sirloin mixture; cook stirring, until sauce is clear. Add tomatoes and green onions, remove from heat. Serve.