Ingredients
Prime rib roast
butter, salt, pepper
Preparation
Preheat oven to 375F.
Rub roast with butter and season with salt and pepper. Put roast in shallow pan, uncovered.
Cook for 1 hour, leave in oven. Turn oven off for 3-4 hours, DO NOT open doors!!
Turn oven back on, to 300F, for 45 minutes.