Foolproof Prime Rib Roast

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Foolproof Prime Rib Roast

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Prep Time 30 minutes
Cook Time 20 minutes
Servings: 8
Course: Main Course
Cuisine: American
Ingredients Method

Ingredients
  

  • 1 Prime Rib Roast – trimmed by butcher
  • 2 tbsp black pepper
  • 2 tbsp kosher salt
  • 1 tbsp dried thyme or 2 tsp fresh thyme
  • 1 tbsp dry mustard
  • 2 lemons, zest only

Method
 

  1. Either the night before (preferable) or at least 2 hours prior to cooking, rub the roast all over with olive oil, salt, pepper, thyme, mustard, and lemon zest.
  2. Place the roast uncovered in the refrigerator overnight, then let it come to room temperature for two hours prior to cooking in the oven.
  3. Preheat the oven to 450°F.
  4. Place the roast in a high-sided roasting pan bone-side down.
  5. Cook the roast for 15 minutes, then reduce the over temperature to 325°F. Continue to cook the roast until your meat thermometer reads 110°F. Estimate about 15 minutes of cooking time per pound of prime rib.
  6. Remove the roast from the oven and let it rest for 20 minutes. The roast will continue to cook as the juices inside settle, raising the internal temperature to 130°F for a perfect medium-rare prime rib roast.

© 2026 Pamela Zippi

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