Remove from refrigerator, rub in salt, pepper, (garlic, onion). Let stand until room temperature (1 hour).

Stand with bone down in roaster. Roast for 1 hour at 375 degrees.

Turn off oven and leave inside for at least 4 hours or longer without opening door. One half hour before serving turn on oven at 375 degrees. 20-25 minutes for rare and 40-45 minutes - medium rare.