Easy Steak Diane

Sear Ribeyes in a skillet with oil. Take out after brown on both sides and cooked to desired doneness. Let rest while you prepare the sauce. In skiilet add a few more tablespoons of oil and sautee the onions and mushrooms. Add 3-4 tsps, flour and beef broth to make a gravy. Add garlic and mustard and butter. Stir in ine and let sauce reduce. Serve over steak filets.