Rub oil and pepper on both sides of steaks.Heat a heavy skillet over high heat.Sear steaks quickly on both sides for approximately 30 seconds.Remove from pan.Reduce heat to medium and add butter. When butter melts,add shallots.Saute 2 minutes.Add Worcestershire, mustard and salt;return steaks to pan.Cook 2 minutes per side or until desired doneness.Remove meat and keep warm. Add wine and cook,uncovered,over high heat until reduced in half. Stir in brandy,parsley and chives.Simmer 1 to 2 minutes and serve sauce over steak.A nice way to PEP up a hamburger.Makes 2 servings.