Prime Rib Cooking Instructions

Insert meat thermometer in center of meat. In a shallow baking pan, place meat on a rack or on stalks of celery. Bake in oven set at 240 to 250 degrees for approximately 3 - 4 hours.  Take meat out of oven when internal temperature is 5 degrees less than desired doneness.

Example: for medium rare - take out when meat thermometer reached 140 degrees