Keto Horseradish Cream Prime Rib Recipe
Juicy, perfectly cooked prime rib roast served with a rich, creamy horseradish sauce. This keto-friendly beef recipe is perfect for holiday dinners, Sunday meals, or anytime you’re craving bold flavor without the carbs.
- Prep Time: 15 minutes (plus 2 hours resting)
- Cook Time: 3–4 hours
- Total Time: 4–5 hours
- Yield: 8–10 servings 1x
- Category: Dinner
- Method: Roasting
- Cuisine: American, Keto, Low-Carb
Ingredients
For the Rib Roast:
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1 standing rib roast (4–6 ribs, 8–10 lbs)
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3 tbsp olive oil or butter
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Salt and pepper (generous amount)
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6–8 garlic cloves, minced
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Fresh rosemary or thyme (optional)
For the Horseradish Cream Sauce:
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1 cup sour cream
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1/2 cup prepared horseradish (drained)
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1 tsp Dijon mustard
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1 tsp lemon juice or vinegar
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1/2 tsp garlic powder or roasted garlic
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Salt and pepper to taste
Instructions
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Take rib roast out of the fridge 2 hours before cooking. Pat dry and rub with oil or butter, garlic, salt, pepper, and herbs.
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Preheat oven to 225°F (105°C).
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Place roast bone-side down in a roasting pan with a rack.
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Roast until internal temp reaches 115°F for rare, 125°F for medium-rare, or 135°F for medium. (Use a meat thermometer!)
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Remove from oven, tent with foil, and rest for 30 minutes.
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Increase oven temp to 500°F.
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Return roast to oven for 10 minutes to create a crispy crust.
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While roasting, mix all sauce ingredients in a bowl and refrigerate.
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Slice roast and serve with horseradish cream sauce on the side.
Notes
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Use leftover prime rib for low-carb sandwiches or salads.
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This sauce also pairs great with beef tenderloin or steak.
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For extra flavor, use roasted garlic in the sauce.
Nutrition
- Serving Size: 1 slice + 2 tbsp sauce
- Calories: 550 Sugar: 1g Sodium: 380mg Fat: 42g Saturated Fat: 18g Unsaturated Fat: 22g Trans Fat: 1g Carbohydrates: 3g Fiber: 0g Protein: 44g Cholesterol: 130mg