large skillet over medium-high heat. Remove from skillet; set aside. Drain beef and reserve marinade. Brown beef in remaining 1 tablespoon oil. Combine cornstarch with reserved marinade. Add vegetable and marinade mixtures to beef; cook, stirring, until sauce is thickened. Serve over hot rice. Each serving provides: * 365 calories * 23.9 g. protein * 10.9 g. fat * 41.5 g. carbohydrate * 3.3 g. dietary fiber * 1080 mg. sodium * 48 mg. cholesterol