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Fool-Proof 500 Rule Prime Rib Roast

A thick slice of medium-rare prime rib recipe roast resting on a white plate with juices.
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Cook a juicy, tender prime rib with a perfect crust every time using this simple oven method. This recipe guarantees a medium-rare result for your holiday centerpiece.

Ingredients

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  • 1 Standing Rib Roast (Prime Rib), bone-in or boneless, about 4-6 lbs
  • 3 tablespoons coarse sea salt
  • 2 tablespoons black pepper
  • 1 tablespoon dried rosemary
  • 1 tablespoon dried thyme
  • 1 tablespoon garlic powder
  • 1/4 cup softened unsalted butter
  • 4 cloves garlic, minced

Instructions

  1. Remove the roast from the refrigerator 2 to 3 hours before cooking. Let it sit at room temperature.
  2. Preheat your oven to 500 degrees Fahrenheit.
  3. In a small bowl, combine the softened butter, minced garlic, salt, pepper, rosemary, thyme, and garlic powder to create the herb rub.
  4. Rub the entire surface of the prime rib evenly with the herb butter mixture.
  5. Place the roast, fat side up, in a roasting pan. If using a bone-in roast, you can rest it on the bones or use a roasting rack.
  6. Place the roast in the preheated 500°F oven and cook for exactly 15 minutes. This sets the crust.
  7. Reduce the oven temperature to 325 degrees Fahrenheit without opening the door.
  8. Continue roasting until the internal temperature reaches 125°F for medium-rare (about 13-15 minutes per pound after the initial 15 minutes at high heat). Use a meat thermometer inserted into the thickest part of the meat, avoiding bone.
  9. Remove the roast from the oven when it reaches 125°F.
  10. Tent the roast loosely with foil and let it rest for 20 minutes before carving. The internal temperature will rise to about 130-135°F during resting.
  11. Carve against the grain and serve immediately.

Notes

  • For a bone-in roast, the bones act as insulation, requiring slightly longer cooking time than a boneless roast of the same weight.
  • If you prefer rare, pull the roast at 120°F. For medium, pull at 135°F.
  • Save the pan drippings to make a simple au jus sauce.

Nutrition

Find it online: https://daisyrecipe.com/foolproof-prime-rib-recipe-amazing-crust/