Total prime rib cook time: 5-6 minutes per pound at 500 degrees, then 2 hours with oven off and door closed. Remove the finished roast from your oven, then carve. (Because the meat has been ...

According to Fireside Grill’s culinary team, their Prime Rib ... of the roast, then reduce heat to 325-350° F for the duration of the cooking time, approximately 12-15 minutes per pound.