How long to cook a prime rib roast??
Ribs on the bottom, meat on the top. Use a meat thermometer and cook it in the center til it reads 165 or 170 degrees. Then it will be perfect! Pink in the center, more done on the edges. You can do it. No prob. It’s easy. Don’t forget the au jus Added: I just read that other answer. They must be using a different thermometer.