I first encountered the prime rib closed oven recipe years ago ... Total prime rib cook time: 5-6 minutes per pound at 500 degrees, then 2 hours with oven off and door closed.
Set the rib roast in a roasting ... Preheat the oven to 450°. Roast the meat for 15 minutes. Reduce the oven temperature to 325° and roast for about 2 1/2 hours longer, until an instant-read ...
Ask your butcher to French the roast and tie the rib between the bones ... Remove the roast from the refrigerator 2 hours before cooking. Preheat the oven to 450 degrees. Combine the potatoes ...