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Perfect Garlic Butter Roasted Prime Rib Recipe with Rich Au Jus Made Easy

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A rich and indulgent garlic butter roasted prime rib with a luscious au jus, perfect for family dinners or special occasions. This recipe is straightforward, forgiving, and delivers a tender, juicy roast with a caramelized crust.

Ingredients

Scale
  • 45 pounds prime rib roast, bone-in or boneless
  • 1/2 cup (113 g) unsalted butter, softened
  • 68 cloves garlic, minced or pressed
  • 2 tablespoons fresh rosemary, finely chopped
  • 2 tablespoons fresh thyme, finely chopped
  • 2 tablespoons kosher salt (or sea salt)
  • 1 tablespoon freshly ground black pepper
  • 2 tablespoons olive oil
  • 2 cups (16 fl oz) low sodium beef broth
  • 1/4 cup (2 fl oz) red wine or Worcestershire sauce (optional)

Instructions

  1. In a mixing bowl, combine 1/2 cup softened unsalted butter, minced garlic, chopped rosemary and thyme, salt, and pepper. Mix well until evenly blended to form the garlic butter crust.
  2. Pat the 4-5 pound prime rib dry with paper towels. Trim any excess fat if desired, leaving a thin layer for flavor and moisture.
  3. Lightly brush the roast with 2 tablespoons olive oil. Slather the garlic butter mixture all over the surface of the meat, pressing gently to adhere.
  4. Allow the roast to rest at room temperature for 30 to 45 minutes to ensure even cooking and flavor penetration.
  5. Preheat the oven to 450°F (232°C).
  6. Place the prime rib on a rack in a roasting pan, fat side up. Roast for 15 minutes to develop a golden, caramelized crust.
  7. Reduce the oven temperature to 325°F (163°C). Continue roasting for approximately 1 hour and 15 minutes, or until the internal temperature reaches 125°F (52°C) for medium-rare. Use an instant-read thermometer to check.
  8. Remove the roast from the oven and tent loosely with foil. Rest for 20 to 30 minutes to allow juices to redistribute and temperature to rise slightly.
  9. Pour the pan drippings into a small saucepan, skim off excess fat. Add 2 cups beef broth and optional 1/4 cup red wine or Worcestershire sauce. Simmer over medium heat for 10 minutes, scraping browned bits from the bottom. Season with salt and pepper to taste.
  10. Carve the prime rib against the grain into thick slices. Serve hot with the rich au jus on the side for dipping.

Notes

Let the roast rest at room temperature before cooking for even cooking. Use a meat thermometer to ensure perfect medium-rare doneness. Resting the meat after roasting is essential to keep it juicy. For a more pronounced crust, broil for 2-3 minutes at the end but watch carefully to avoid burning. Au jus can be made ahead and reheated gently. Leftovers taste better the next day as flavors meld.

Nutrition

Keywords: prime rib, garlic butter, roasted beef, au jus, holiday roast, easy prime rib, garlic butter roast, beef roast, family dinner, special occasion