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How To Cook A Prime Rib Roast

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Cooking A Delicious Prime Rib Roast. A Recipe For Success

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Ingredients

  • Prime Rib Roast
  • RUB: Olive oil, pepper, salt, minced garlic, and onion powder.

Details

Servings 1
Preparation time 120mins
Cooking time 525mins
Adapted from primesteakhouses.com

Preparation

Step 1

Preheat your oven to 450 degrees.

Create the seasoning rub or paste with ingredients
Make a series of ½ inch deep slits all over the top of the roast as well as the sides. Rub your seasonings all over the roast, covering all exposed meat.

Place the roast in a heavy metal roasting pan, bone-side down.

No matter what size roast you have, you will start it in a pre-heated 450 degree oven for 15 minutes then reduce the temperature to 325 degrees for the balance of cooking time. Cooking times will vary depending on size of the roast and desired level of doneness. The following chart gives approximate times for to reach "rare" at various sizes.

Every half hour or so, baste the ends of the roast with the drippings. Use your meat thermometer about a half hour before the expected end of the roasting time. Make sure to insert it in the thickest part of the meat, not touching the fat or bone. When the internal temperature reaches 120°, pull it out of the oven and cover with foil. Let the roast sit for twenty to thirty minutes. It will continue to cook during this time, reaching a temperature of about 125° to 130°.

Use a long, sharp knife to carve your roast. Serve with Au Jus and Horseradish Sauce.

Au Jus is French for “with juice”. Place the drippings in small containers for dipping.

Horseradish sauce: About ¼ to ½ cup of prepared horseradish mixed with two cups of sour cream. Add two tablespoons of lemon juice and a teaspoon of salt. Thoroughly mix the ingredients, adding more horseradish as desired.

Cooking Time for Rare (120°)

(3) Ribs, 7 to 8 lbs. 15 minutes at 450°, Then 1 ¼ to 1 ½ hours at 325°
(4) Ribs, 9 to 10 lbs. 15 minutes at 450°, Then 1 ½ to 2 hours at 325°
(5) Ribs, 11 to 13 lbs. 15 minutes at 450°, Then 2 to 2 ½ hours at 325°
(6) Ribs, 14 to 16 lbs. 15 minutes at 450° Then, 2 ¾ to 3 hours at 325°
(7) Ribs, 16 to 18 lbs. 15 minutes at 450° Then, 3 to 3 ¾ hours at 325°

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