Ingredients
- 1 bone in prime rib beef roast, 3 ribs, about 6 pounds
- 5 garlic cloves, smashed
- 1/4 cup grated fresh or prepared horseradish
- Leaves from 2 fresh rosemary sprigs
- Leaves from 4 fresh thyme sprigs
- 1/2 cup kosher salt
- 1/4 cup freshly ground black pepper
- 1/2 cup extra-virgin olive oil
- 1/2 cup dry white wine
- 1 tablespoon all-purpose flour
- 2 cups canned chicken or beef broth
Directions
Preheat the oven to 350 degrees F.
Lay the beef in a large roasting pan with the bone side down. (The ribs act as a natural roasting rack.) In a small bowl mash together the garlic, horseradish, rosemary, thyme, salt, pepper, and olive oil to make a paste. Massage the paste generously over the entire roast. Put the pan in the oven and roast the beef until the internal temperature of the meat registers 125 degrees F on an instant-read thermometer (medium-rare), 1 1/2 to 2 hours. Remove the beef to a carving board and let it rest for 20 minutes before carving.
Pour off some of the pan drippings and place pan on stovetop over medium-high heat.
Add the white wine and bring to a simmer, scraping the bits on the bottom of the pan. Reduce the wine by half. Whisk in the flour, then add the broth and continue to cook, whisking until sauce thickens into a gravy, about 10 minutes.
Serve with Scalloped Potato Gratin and Roasted Red Onions.
Scalloped Potato Gratin:
1 1/2 cups heavy cream
1 sprig fresh thyme
2 garlic cloves, chopped
1/2 teaspoon ground nutmeg
Butter
2 russet potatoes, peeled and cut into 1/8-inch thick slices
Salt and freshly ground black pepper
1/2 cup grated Parmesan, plus more for broiling
Preheat the oven to 375 degrees F.
In a saucepan, heat up the cream with a sprig of thyme, chopped garlic and nutmeg.
While cream is heating up, butter a casserole dish. Place a layer of potato in an overlapping pattern and season with salt and pepper. Remove cream from heat, then pour a little over the potatoes. Top with some grated Parmesan. Make 2 more layers. Bake, uncovered, for 45 minutes. Sprinkle some more Parmesan and broil until cheese browns, about 5 minutes.
Yield: 4 to 6 servings
Roasted Red Onions with Butter, Honey, and Balsamic Vinegar:
6 tablespoons butter
3 tablespoons balsamic vinegar
1/2 cup honey
1/2 bunch fresh thyme
Salt and freshly ground black pepper
4 red onions, halved
Preheat the oven to 350 degrees F.
Combine the butter, vinegar, honey, thyme, salt, and pepper in a small saucepan over medium heat. Bring to a simmer and cook for 1 minute to reduce slightly. Place the onions, cut sides up, in a single layer on a baking pan. Drizzle the butter-vinegar mixture over and roast until soft and slightly caramelized, about 45 minutes.
Yield: 6 servings
1 Video | Photo: Roast Prime Rib of Beef with Horseradish Crust Recipe

















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By hifromgeorge_10...
yakima, WA
on May 16, 2013
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I cooked this for the third time last night, and followed the recipe to the word except i doubled the garlic (i love the stuff. Never used the gravy, as its way to salty! Just used a homemade au juice to dip it in. I've always scraped off the crust before slicing and it has perfect flavor
By Hunter Dan
on April 01, 2013
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I loved this recipe! The flavors came out wonderful. I would reduce the salt next time also. As per one of the other reviewers next time I will put the crust on to sit over night! Fabulous!
By gma dee
odessa, fl
on March 31, 2013
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Making this for about the 20th time my family loves it!!! i have added small gold potatoes to the mix to stretch it a bit. Our family runs 7 to 20 at the table so 5 stars to you for a meal that please almost all. Salads and vegy sides for others.
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