On a rack in broiling pan; broil steak (or quickly poan fry). until medium rare. Cut steak across grain; thinly. In a skillet heat oil; add green pepper , onion and garlic. Saute until tender crisp.
Add steak and cook another minute or so; add water and broth mix and bring liquid to a boil. in a small bowl mix the cornstarch; stir into the steak mixture. Add tomatoes and stir quickly until tomatoes are heated through. Serve almost immediately. Ww exchanges...4 Protien; 2 1/2 Vegetables; 1 Fat; 15 optional. You can add any veggies you like to this; broccoli; string beans etc. Sometimes I put in a lot of diced celery.