Cut flank steak diagonally across grain into thin slices.
Cut slices into 3-inch lengths.
Place meat and marinade in glass casserole dish.
Cook on ROAST (7) for 6 minutes, stirring twice.
Combine vegetables, soup, onion, salt and pepper in bowl.
Stir into meat.
Cover; cook on ROAST (7) for 5 minutes, stirring once.
Serve over noodles.