How To Cook Prime Rib/ Roast 30 minutes, then reduce heat to 350º and cook 1 hour 30 minutes more for medium rare. March 14, 2022 Post a Comment It's the easiest way to make a prime rib roast! A quick blast… Read more How To Cook Prime Rib/ Roast 30 minutes, then reduce heat to 350º and cook 1 hour 30 minutes more for medium rare.
