Slow Roasted Prime Rib

User Reviews

5.0

6 reviews
Excellent
  • Prep Time

    10 mins

  • Cook Time

    2 hrs

  • Rest Before

    3 hrs

  • Total Time

    5 hrs 10 mins

  • Servings

    5 people

  • Calories

    1421 kcal

  • Course

    Main Course

  • Cuisine

    American

Slow Roasted Prime Rib

Easy slow roasted prime rib roast recipe, cooked to perfection for a tender, juicy, and flavorful meal. Ideal for holidays or special occasions!

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Ingredients

Servings
  • 5 pound bone-in prime rib roast important to bring to room temperature
  • kosher salt
  • 3 tablespoons unsalted butter softened
  • 6 cloves garlic minced
  • 2 teaspoons ground black pepper
  • 1 teaspoon dried thyme
  • 1/2 teaspoon dried rosemary
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Instructions

  1. Remove rib roast from packaging and place it, bones down, in a roasting pan. Season it on all sides with salt, cover it loosely with plastic wrap, and allow it to come to room temperature for 2+ hours.
  2. Preheat the oven to 500 ℉. Pat the roast down with paper towels.
  3. Combine softened butter, olive oil, garlic, 1 teaspoon salt, pepper, thyme, and rosemary in a small bowl, mixing until well blended. Remove plastic wrap and spread the mixture evenly over the entire roast.
  4. Roast the prime rib in the preheated oven for 15 minutes, then reduce the oven temperature to 325 ℉ and continue roasting until desired level of doneness. Use a meat thermometer to check the temperature of the meat:Rare: 120 degrees ℉ (about 15-17 minutes/pound)Medium Rare: 130 degrees F (about 17-20 minutes/pound)Medium: 140 degrees F (about 20-23 minutes/pound)Medium Well: 150 degrees F (about 23-25 minutes/pound)Note: The beef will continue to cook as it rests out of the oven, so remove it from the oven 5-10 degrees before it reaches your optimal temperature.
  5. Rest: Remove it from the oven and tent it with foil. Allow it to rest for 30 minutes before carving.
  6. Carve prime rib roast by slicing against the grain into about ½ inch thick slices. Serve with au jus and horseradish, if desired.

Notes

  • Bring roast to room temperate before roasting (2+ hours)
  • Always use a meat thermometer to check for precise internal temperatures.
  • Remove the roast about 5-10°F below your target temperature, as it will rise while resting.
  • Let the roast rest for 15-20 minutes before carving for maximum juiciness.
  • Store in an airtight container in the fridge for 3–4 days.

Nutrition Information

Show Details
Calories 1421kcal (71%) Carbohydrates 2g (1%) Protein 62g (124%) Fat 128g (197%) Saturated Fat 55g (275%) Polyunsaturated Fat 5g Monounsaturated Fat 54g Trans Fat 0.3g Cholesterol 292mg (97%) Sodium 204mg (9%) Potassium 1031mg (29%) Fiber 0.4g (2%) Sugar 0.1g (0%) Vitamin A 223IU (4%) Vitamin C 1mg (1%) Calcium 50mg (5%) Iron 7mg (39%)

Nutrition Facts

Serving: 5people

Amount Per Serving

Calories 1421 kcal

% Daily Value*

Calories 1421kcal 71%
Carbohydrates 2g 1%
Protein 62g 124%
Fat 128g 197%
Saturated Fat 55g 275%
Polyunsaturated Fat 5g 29%
Monounsaturated Fat 54g 270%
Trans Fat 0.3g 15%
Cholesterol 292mg 97%
Sodium 204mg 9%
Potassium 1031mg 22%
Fiber 0.4g 2%
Sugar 0.1g 0%
Vitamin A 223IU 4%
Vitamin C 1mg 1%
Calcium 50mg 5%
Iron 7mg 39%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5.0

6 reviews
Excellent

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