Cut steak in thin strips - cross grain. Quarter tomatoes and peppers into large bits. Heat oil. Add beef, garlic, salt, pepper and ginger. Fry fast until brown. Add soy sauce and sugar. Cover tightly for 5 minutes cooking it slow. Add tomato, peppers, sprouts. Boil and cover 5 minutes. Add paste of cornstarch and water. Cook until thick. Makes 6 generous servings. Serve over rice.