It may look impressive and complicated, but it's one of the easiest recipes to make! Follow my step-by-step method to make a Perfect Prime Rib roast for any special occasion.
Prep Time 15 minutesminutes
Cook Time 3 hourshours5 minutesminutes
Resting Time 30 minutesminutes
Total Time 3 hourshours50 minutesminutes
Servings 8servings
Ingredients
10poundsBone-in Prime Rib roast or oven roast(4 ribs for serving 8 people)
Salt(kosher salt preferred)
Pepper
Instructions
Remove the roast from the refrigerator several hours before cooking so that it can come to room temperature.
When ready to cook, preheat the oven to 450 degrees.
Generously sprinkle all surfaces with salt and ground black pepper. Place the roast in a heavy roasting pan with the rib bones down. You don’t need a rack with a prime rib as the bones act as the roasting rack.
Cook for 15 minutes, then decrease the temperature to 325 degrees and continue cooking approximately 15 minutes per pound for rare, 17 minutes per pound for medium rare, and 20 minutes per pound for medium. *See more cooking time information in the notes below.*
When desired temperature is reached, remove the roast from the oven, cover the pan with foil and let it rest for 30 minutes before carving.
When ready to serve, cut and remove the twine. Separate the roast from the bones. Slice and serve.
Notes
Purchasing Info:
When purchasing prime rib, you should plan on one rib per each two people you'll be serving. Look for a roast with consistent marbling.
Ask the butcher to separate the roast from the bones and tie them back with butcher’s twine. This will make slicing and serving much easier.
Cooking Time:The cooking time per pound is merely a guideline - measuring internal temperature is critical for a correctly cooked roast. Start checking the internal temperature in the thickest part of the roast about 45 minutes before the estimated end of cooking time. The temperature should read 120-125 for rare, 130-135 for medium-rare, and 140-145 for medium.