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Garlic Herb-Crusted Prime Rib Roast Recipe

User Rating 5 Star Rating (4 Reviews)


Prime rib roast
James And James/Photolibrary/Getty Images
As you can see from the photo, this method produces a tender, succulent prime rib roast while the garlic and herb crust adds incredible flavor. Prime rib should never be cooked more than medium-rare. Doing so toughens the meat. If some of your guests like it a bit more done, use a restaurant trick and simply pour the piping hot pan juices over the sliced meat, which will cook it more.

Prep Time: 20 minutes

Cook Time: 2 hours

Total Time: 2 hours, 20 minutes

Yield: 6 to 8 servings


  • 1 three-rib prime-rib roast, small end with ribs attached, at room temperature (see Notes)
  • 2 tablespoons kosher salt
  • Freshly ground pepper
  • 6 cloves garlic, cut in 1/2-inch chunks
  • 1/2 cup chopped onion
  • 2 Tablespoons fresh grated horseradish (see Notes)
  • 2 Tablespoons fresh oregano leaves
  • 2 Tablespoons flour
  • 1/4 cup mayonnaise
  • 1/2 cup dry red wine
  • 1-1/2 cups beef broth


Position oven rack on the lowest level in the oven. Preheat oven to 450 F.

Carefully remove prime rib roast from the bones so that the bones are remain attached to each other (or have your butcher do it for you). Place the bones in the bottom of a large heavy roaster pan. The ribs will serve as the rack for the roast. Sprinkle both ribs and roast generously with the salt and pepper.

Place garlic, onion, horseradish, oregano, flour, and mayonnaise in a food processor and pulse until a smooth paste forms. Press garlic paste on all sides of the roast and place fat-side up on the rib rack in the pan.

Place in pre-heated oven and bake for 20 minutes. Reduce oven heat to 275 F. Bake an additional 1-1/2 hours or until an instant-read thermometer inserted in the center of the roast indicates a temperature of 110 F. for medium-rare. (Roast will continue to cook after you remove it from the oven.) Check at 10 minute intervals until it reaches desired temperature.

Move prime rib roast and ribs to a platter and keep warm. Let rest at least 15 minutes before carving.

Meanwhile, pour drippings from the pan into a gravy separator or glass measuring cup. Siphon off grease and reserve juices.

Place the roasting pan over medium-high heat and add red wine. Deglaze the pan by stirring to scrape up all the browned bits from the bottom of the pan. Boil until juices are reduced by half, about 5 to 8 minutes. Add beef broth, reserved beef juices, and any juice that has collected in the platter. Cook, stirring often, until reduced again by half.

Slice prime rib roast and separate ribs. Serve with the reduced pan sauce and Creamed Horseradish Dill Sauce.

Yield: 6 to 8 servings

Notes: For this cooking method to work, it is essential that the prime rib roast be at room temperature before placing in the oven. Use a microplane to grate the horseradish. It's finer, faster, and easier than a box grater. The food processor doesn't chop it finely enough.

Garlic Prime Rib Recipe photo © 2012 Peggy Trowbridge Filippone, licensed to About.com, Inc.
User Reviews

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 5 out of 5
, Member oakeyboy

have tried this 3 times and had the same results. perfect !!

20 out of 21 people found this helpful.

See all 4 reviews

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