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Flavor-Packed Rosemary Garlic Prime Rib Roast


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  • Author: Michelle Davis
  • Total Time: 2 hours 20 minutes – 3 hours 20 minutes
  • Yield: Serves 6–8 1x

Description

There’s something truly special about gathering around the table for a meal that fills the room with irresistible aromas and warmth. The Flavor-Packed Rosemary Garlic Prime Rib Roast is perfect for holiday celebrations, Sunday family dinners, or any occasion where you want to impress your guests with a restaurant-quality dish at home. This recipe combines the richness of prime rib with the fragrant flavors of fresh rosemary and garlic, creating a roast that is both tender and bursting with flavor.


Ingredients

Scale
  • 1 (4–6 lb) prime rib roast, bone-in or boneless

  • 4 tablespoons olive oil

  • 6 cloves garlic, minced

  • 2 tablespoons fresh rosemary, chopped

  • 1 tablespoon fresh thyme, chopped

  • 1 tablespoon coarse salt

  • 1 teaspoon freshly ground black pepper

  • 1 teaspoon onion powder

  • 1 teaspoon paprika

  • 1 cup beef broth or water (for roasting pan)

  • Optional: fresh rosemary sprigs for garnish


Instructions

  • Remove the prime rib from the refrigerator at least 1 hour before cooking to allow it to reach room temperature. Pat it dry with paper towels.

  • In a small bowl, combine garlic, rosemary, thyme, olive oil, salt, pepper, onion powder, and paprika to make a paste.

  • Rub the herb and garlic mixture all over the prime rib, including the sides and exposed bones if bone-in.

  • Preheat the oven to 450°F (230°C).

  • Place a wire rack inside a roasting pan and add 1 cup of beef broth or water to the bottom. Place the roast fat side up on the rack.

  • Roast in the oven at 450°F for 15 minutes to create a crust.

  • Reduce the oven temperature to 325°F (165°C) and continue roasting until the internal temperature reaches 120–125°F for rare, 130–135°F for medium-rare, 140–145°F for medium, or 150–155°F for medium-well.

  • Remove the roast from the oven and tent loosely with foil. Rest for 20–30 minutes.

  • Carve against the grain into thick slices and serve with pan drippings, roasted vegetables, or favorite sides. Garnish with fresh rosemary sprigs if desired.

Notes

  • Letting the roast come to room temperature ensures even cooking.

  • Use a meat thermometer for accurate doneness.

  • Resting the roast preserves juiciness.

  • Adjust seasoning based on roast size.

  • Leftovers can be used for sandwiches, salads, or reheated gently in the oven.

  • Prep Time: 20 minutes
  • Cook Time: 2–3 hours (depending on size and doneness)