Prime Rib with Creamed Horseradish

Mustard and garlic coat the rib roast as it cooks. The flavored beef goes perfectly with the heavy cream and horseradish dip in this elegant dinner.

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Servings: 8 to 10
Prep Time: 15 mins
Total Time: 3 hrs 35 mins
Related Categories: Beef, Healthy Cooking, Low Carb, Prime Rib
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  • 1  9  pound 
    beef rib roast (about 4 ribs), meat cut from bone, meat and bone tied together with kitchen twine
  • 2 1/2  teaspoons 
    kosher salt
  • 2   tablespoons 
    Dijon mustard
  • 1   tablespoon 
    minced garlic
  • 1/3  cup 
    heavy cream
  • 1/3  cup 
    prepared horseradish
  • 1/4  cup 
  • 1  14  ounce can 
    low-sodium beef broth
  • 2   teaspoons 
    whole pink peppercorns, coarsely crushed, plus more for garnish
Place rib roast, fat side up, in a roasting pan and let stand at room temperature 1 hour.
Heat oven to 450 degrees F and place rack in center. Sprinkle roast with 2 teaspoons salt. Combine mustard and garlic; evenly spread over top of roast and season with black pepper.
Roast 20 minutes, then reduce temperature to 325 degrees F. Roast until an instant-read thermometer inserted in center by 2 inches (without touching bone) registers 125 degrees to 130 degrees F for medium-rare (loosely tenting with foil if top browns too quickly), about 2-1/2 hours. Transfer to a cutting board, tent with foil and let stand 15 minutes before carving. (Internal temperature will rise 5 to 10 degrees.) Reserve pan and juices.
Meanwhile, for Creamed Horseradish, whisk cream in a medium bowl until thickened but not yet holding soft peaks, 1 to 2 minutes. Gently fold in horseradish and remaining 1/2 teaspoon salt; season with black pepper. Transfer to a serving bowl; chill 30 minutes or up to 1 hour.
For pan sauce, pour pan juices into a fat separator; drain off fat. Add cognac and 1/2 cup broth to roasting pan. Bring to a simmer over medium-high heat, scraping up any browned bits with a spoon. Simmer until liquid has almost evaporated, about 8 minutes. Add remaining broth, the pan juices and peppercorns; simmer 2 minutes more. Transfer to a gravy boat.
Cut twine from roast, remove bone and transfer meat to a cutting board; garnish with peppercorns, if desired. Serve sauce and Creamed Horseradish on the side.
Nutrition information
Per Serving: cal. (kcal) 560, Fat, total (g) 35, chol. (mg) 159, sat. fat (g) 15.5, carb. (g) 2, fiber (g) 0, pro. (g) 51, sodium (mg) 868, Percent Daily Values are based on a 2,000 calorie diet
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