With A Meat Mallet, Pound Steaks Till They Are About 1 Inch Thick. Sprinkle Both Sides With Salt And Pepper. In A Large Skillet Over Medium High Heat, Heat Butter, Oil And Lemon Peel Until Hot. Add Steaks; Pan Fry 6 To 8 Minutes, Or Until Desired Doneness, Turning Once. Remove Steaks To Heated Platter; Keep Warm. Reduce Heat To Medium; Stir In Lemon Juice, Worchestershire Sauce And Mustard. Cook About 3 Minutes Until Sauce Is Blended, Scraping Up Brown Meat Bits. To Serve, Pour Sauce Over Steaks. Garnish With Paprika.