Easy Prime Rib

Any size prime rib roast, room temperature
Garlic clove
Sesame oil
Salt and pepper

Preheat oven to 375 degrees. Rub roast all over with cut garlic cloves. Rub with sesame oil. Season with salt and pepper. Place roast on rack in middle of oven. Roast 1 hour. Turn oven off. Leave the oven closed. May be held in oven for several hours. Turn oven on again to 375 degrees for 30 minutes before serving for rare, 40 minutes for medium rare. Works for any size prime rib roast.