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How to Cook Prime Rib Roast

How to cook prime rib roast from start to finish! This is a foolproof method that guarantees a great prime rib roast! 

Prep Time
10 mins
Cook Time
3 hrs 10 mins
Total Time
5 hrs 10 mins
Servings: 15
Calories: 1352 kcal
Course: Main Course
Cuisine: American

Ingredients

  • one prime rib roast of choice
  • 1/2 cup butter if there isn't enough fat
  • 1 batch prime rib rub

Instructions

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  1. Remove your roast from all its packaging and let it sit out for an hour until it's about room temperature.
  2. If desired, prepare the prime rib rub recipe and mix with the butter. If not, just use plain butter.
  3. Take the butter and cover the top of the roast and the ends.
  4. Preheat your oven to 450°F.
  5. Once it's covered, place on a wire rack in a pan deep enough to catch the drippings.
  6. Now we want to sear the roast. Place it in the 450 degree oven for about 20 minutes.
  7. Turn down the oven to 325 degree and cook some more. Below are guidelines for roasting a prime rib roast .You want to pull the roast out a minimum of 10 degrees BEFORE you hit these temperatures.
  8. Once the roast is out, tent it with foil, and let it sit for about 20 minutes. The temperature will rise at least another 10 degrees if you cover it in foil. It also lets the juices set and flow back to the meat.
  9.  Now it's time to remove the bones. You want to slice along the curve of the bones and remove the meat. Slice it off, then slice as you would normally slice a roast. If you have a boned and rolled roast, simply remove the strings and lift the meat off the bones and onto a cutting board.
  10. Serve and enjoy!
Prime Rib Roasting Internal Temperatures
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  1. Blue in the middle- 110 degrees - when the middle of the roast still "quivers"
  2. Rare- 120-125 degrees in the middle
  3. Medium-rare- 125- 135 degrees in the middle
  4. Medium - 135- 140 degrees in the middle. You don't want it cooked this much.
  5. Medium Well-140- 150
  6. Well-done- 155 +

Notes

  • Cook to the temperature you desire. See post for instructions.
  • The time on this is for a 15 pound prime rib roast, adjust your cooking time appropriately.
  • NUTRITIONAL VALUES WILL VARY ROAST TO ROAST, do not use these as accurate values. 

Nutrition Information

Calories 1352kcal (68%) Protein 61g (122%) Fat 120g (185%) Saturated Fat 50g (250%) Cholesterol 274mg (91%) Sodium 201mg (8%) Potassium 1002mg (29%) Calcium 34mg (3%) Iron 6.5mg (36%)

Nutrition Facts

Serving: 15Serving

Amount Per Serving

Calories 1352

% Daily Value*

Calories 1352kcal 68%
Protein 61g 122%
Fat 120g 185%
Saturated Fat 50g 250%
Cholesterol 274mg 91%
Sodium 201mg 8%
Potassium 1002mg 21%
Calcium 34mg 3%
Iron 6.5mg 36%

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

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