How Many Hours Does It Take To Cook A Prime Rib?
The cooking time for prime rib depends on the size of the roast and the desired doneness. Generally, it takes about 15-20 minutes per pound for rare, 20-25 minutes per pound for medium-rare, and 25-30 minutes per pound for medium. Therefore, a 5-pound prime rib may take anywhere from 1 hour 15 minutes to 2 hours to cook, depending on the desired doneness. It is always best to use a meat thermometer to ensure the correct internal temperature is reached.