Mix Gravy Mix, water, soy sauce and ginger in small bowl until well blended.
Heat oil in large skillet on medium-high heat. Add steak; cook and stir 2 minutes or until no longer pink. Stir in gravy mixture, onion and bell pepper.
Bring to boil. Reduce heat to low; simmer 6 to 8 minutes or until sauce is thickened, stirring occasionally. Serve over cooked rice, if desired.