Perfect Prime Rib

Instructions Preheat oven to 550F. Rub roast with salt, pepper and garlic powder. Place meat in shallow roasting pan, fat side up. Roast for 5 minutes per pound for rare;6 minutes per pound for medium;7 minutes per pound for well-done. Turn oven off at the end of the cooking time and DO NOT OPEN THE OVEN DOOR FOR TWO HOURS. At the end of the 2 hours, remove from oven; slice and serve.