This is prime rib (basically the Rolls Royce of roast beef), one of the crown jewels of the holiday season. For a less expensive take, get a 4- to 5-pound boneless rump roast and start checking on it about 40 minutes after you put it into the oven. This makes dynamite leftovers.

Makes: 6 to 8 servings
Time: 1 1/2 hours, mostly unattended

Ingredients

• 1 bone-…