Beef Stir-Fry for One Recipe

In a small bowl, dissolve bouillon in boiling water. In another bowl, combine cornstarch and sugar; gradually stir in cold water, vinegar and bouillon until smooth; set aside. In a large skillet, stir-fry beef in oil until no longer pink. Remove and set aside. Add vegetables, onion and garlic to skillet; stir-fry until crisp-tender. Stir bouillon mixture and add to pan. Bring to a boil; cook and stir for 1-2 minutes or until thickened. Return beef to pan; cook until vegetables are tender and beef is heated through. Stir in orange peel. Serve over rice. Yield: 1 serving.