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Perfect Garlic Herb Prime Rib Recipe with Creamy Horseradish Sauce

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A simple yet impressive prime rib roast rubbed with garlic and fresh herbs, roasted to juicy perfection and served with a tangy creamy horseradish sauce. Ideal for special dinners and celebrations.

Ingredients

Scale
  • 4–5 pounds bone-in prime rib roast
  • 6 cloves garlic, minced
  • 2 tablespoons fresh rosemary, finely chopped
  • 2 tablespoons fresh thyme, finely chopped
  • 1 teaspoon garlic powder
  • 2 teaspoons coarse sea salt
  • 1 teaspoon freshly ground black pepper
  • 2 tablespoons olive oil
  • 1 cup sour cream
  • 2 tablespoons prepared horseradish
  • 1 teaspoon Dijon mustard
  • 1 teaspoon fresh lemon juice
  • Salt and pepper to taste (for sauce seasoning)

Instructions

  1. Remove the prime rib from the fridge 1 hour before cooking to bring it closer to room temperature. Pat dry with paper towels.
  2. In a bowl, mix minced garlic, chopped rosemary, thyme, garlic powder, sea salt, black pepper, and olive oil until paste-like.
  3. Rub the garlic herb mixture all over the prime rib, pressing it into the meat, especially on the fatty side.
  4. Preheat oven to 450°F (230°C). Place the prime rib on a roasting rack in a pan, fat side up. Roast at 450°F for 15 minutes to brown.
  5. Reduce oven temperature to 325°F (165°C). Roast about 13-15 minutes per pound for medium-rare (internal temp 130°F/54°C). Use a meat thermometer to check doneness starting at 1 hour.
  6. Remove roast from oven and tent loosely with foil. Rest for 20-30 minutes to allow juices to redistribute.
  7. While resting, mix sour cream, prepared horseradish, Dijon mustard, lemon juice, salt, and pepper in a bowl. Adjust seasoning to taste.
  8. Slice the prime rib against the grain into thick pieces. Serve with a generous dollop of creamy horseradish sauce.

Notes

Bring the prime rib to room temperature before roasting for even cooking. Use a meat thermometer to ensure perfect doneness. Rest the roast for at least 20-30 minutes tented with foil to keep it juicy. For dairy-free sauce, substitute sour cream with coconut or plain dairy-free yogurt. Tent edges with foil if browning too fast.

Nutrition

Keywords: prime rib, garlic herb roast, horseradish sauce, holiday roast, beef roast, easy prime rib, garlic herb rub

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