Go Back
–+ servings
Sliced prime rib with a golden-brown crust and pink, juicy center on a wooden cutting board, garnished with rosemary and served with au jus.

Roasted Garlic Butter Prime Rib

No ratings yet
This roasted garlic butter prime rib is juicy, tender, and packed with flavor. Slow-roasted to perfection, then finished with a high-heat sear for a crispy, golden crust. A rich garlic butter coating enhances every bite.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 3 hours
Total Time 3 hours 20 minutes
Servings: 8 servings
Course: Main Course
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

  • 1 bone-in prime rib roast about 6-7 lbs
  • 2 tablespoons olive oil for coating the roast
  • 2 teaspoons kosher salt adjust to taste
  • 1 teaspoon black pepper freshly ground
  • 2 heads garlic roasted until soft
  • 6 tablespoons butter softened
  • 1 tablespoon fresh rosemary chopped
  • 1 tablespoon fresh thyme chopped
  • 1 cup beef broth for pan juices

Equipment

  • Large Roasting Pan For even cooking and collecting pan drippings
  • Meat Thermometer Ensures perfect doneness
  • Mixing Bowl For making garlic butter
  • Foil For resting the meat after roasting

Method
 

  1. Preheat oven to 400°F (200°C). Cut the tops off garlic bulbs, drizzle with olive oil, wrap in foil, and roast for 40 minutes until soft.
  2. Mash roasted garlic and mix with butter, rosemary, and thyme. Set aside.
  3. Lower oven temperature to 250°F (120°C). Coat the prime rib with olive oil, salt, and black pepper. Place in a roasting pan with the fat side up.
  4. Roast for about 3 hours or until the internal temperature reaches 120°F (49°C) for medium-rare.
  5. Remove roast from oven and tent with foil. Let it rest for 30 minutes.
  6. Increase oven temperature to 500°F (260°C). Spread garlic butter mixture over the roast.
  7. Return roast to oven for 10 minutes until the crust is golden and crispy.
  8. Let rest for 10 more minutes before slicing. Serve with pan juices.

Notes

  • For a more intense crust, dry-brine the roast by salting it overnight in the fridge.
  • Use a meat thermometer to get precise doneness.
  • Pair with garlic mashed potatoes or creamed spinach for a complete meal.

Tried this recipe?

Let us know how it was!