Keto Standing Rib Roast with Horseradish Crème
Dinners + Mains

Keto Standing Rib Roast with Horseradish Crème

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Wow inner guests with this gorgeous slow-roasted prime rib recipe that proves how easy it is to slow-roast a bone-in prime rib to perfection. Garlicky herb butter lends keto-friendly flavor and helps give this centerpiece main course its delicious, crispy crust. Served with homemade horseradish crème on the side, it’s an epic eating event.

Recipe from Keto-Mojo

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Keto Standing Rib Roast with Horseradish Crème
Nutrition Info Print Recipe
  • Prep: 10 m
  • Cook: 1 h 50 m
  • Rest: 30 m
  • Total: 2 h 30 m
  • Servings:
    12

Ingredients

  • 5 lb rib roast (bone-in, standing) (prime rib)
  • salt
  • pepper
  • 8 tbsp butter softened
  • 5 cloves garlic mashed or crushed into a paste
  • 1 tbsp Italian herb dried
  • 3/4 cup sour cream
  • 3 tbsp horseradish peeled and freshly grated or prepared
  • 1 tbsp lemon juice, fresh

Instructions

  1. The day before you plan to prepare the prime rib, place it on a baking sheet and salt all the meat surface with 4 teaspoons of salt, then refrigerate, uncovered, overnight.
  2. The day of cooking, remove the beef from the refrigerator and bring to room temperature, 2 to 3 hours. Pat the beef dry with a paper towel.
  3. Preheat oven to 475°F (245°C). Adjust the oven racks so the beef can roast in the middle of the oven.
  4. In a small bowl, mix together the butter, garlic, and dried herb blend.
  5. Season with 2 teaspoons salt and 1 teaspoon pepper.
  6. Slather a layer of about 1/3 of seasoned butter on the underside of the beef (the bone side). Place the beef in a heavy ovenproof skillet or roasting pan, bone side down. Spread another 1/3 of the remaining seasoned butter on the top and sides, reserving the remaining butter for the first baste.
  7. Roast for 20 minutes. Reduce the oven temperature down to 275°F (135°C), spread the remaining seasoned butter over the top of the beef, then continue roasting, basting every 30 minutes with pan juices, until the internal temperature is 120°F (50°C) for medium-rare, about 90 minutes. (Start checking the internal temperature early in case it cooks more quickly.)
  8. Transfer the beef to a serving platter, cover loosely with foil, and let it rest for 25 to 30 minutes; the internal temperature will rise to 125°F (52°C).
  9. Meanwhile, make the horseradish crème: in a medium bowl. Combine the sour cream, horseradish, and lemon juice. Season with 1/2 teaspoon pepper.
  10. Slice the beef and serve with the horseradish sauce.
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