There are several answers on the web. Just not sure the right answer. How long do u cook a 7-8 pound prime rib roast? To make sure its done in the middle. More well done. Not raw like some people like it. Merry Christmas 1|1|SEE INSIDE|Arizona|vbj48@cox.net|10:56:52|12/25/2012|
6-8 Pound Rib Roast (Bone-In) 32 - 35 minutes per pound 170 thermometer reading - this is for well done meat - not pink in the middle.
4-6 Pound Rib Roast (Boneless) 40-42 minutes per pound 170 thermometer reading - this is for well done meat - not pink in the middle.
Use your thermometer.
Oven temperature 325 degrees.
Cooking time is based off of meat taken directly from the refrigerator.