Prime Rib - It's Easier Than You Think Recipe -
Prime Rib - It's Easier Than You Think Recipe
  • READY IN ABOUT 3 hrs

Prime Rib - It's Easier Than You Think

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"When I first tried cooking prime rib, I was nervous; it cost a lot of money, and I didn't want to ruin it. Well it turns out prime rib is easy but it is essential that you have a good thermometer. You probably spent $30+ on the meat. Save your investment and spend another $25 on a good thermometer with a probe and an alarm if you don't have one already. By following the rule about the temperature, you can scale this recipe. Cut the bones off the bottom of the roast and serve separately or save for another time. Slice the roast and serve with creamy horseradish, if desired."

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Original recipe makes 10 servings Change Servings
  • PREP

    10 mins
  • COOK

    1 hr 50 mins

    2 hrs 55 mins


  1. Place roast, bone side down, in a roasting pan.
  2. Mix olive oil, steak seasoning, garlic, Italian seasoning, and mustard powder together in a small bowl; spread over the roast. Allow roast to come to room temperature, about 45 minutes.
  3. Preheat oven to 450 degrees F (230 degrees C).
  4. Bake roast in the preheated oven for 20 minutes. Insert a meat thermometer in the thickest part of the roast away from the bone.
  5. Reduce oven temperature to 325 degrees F (165 degrees C). Continue to cook in the oven to your desired degree of doneness, or an internal temperature of 145 degrees F (65 degrees C) for medium, about 1 1/2 to 2 hours. Remove from the oven, cover with a doubled sheet of aluminum foil, and allow to rest in a warm area 10 to 15 minutes before slicing.
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  • Tip
  • Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.

Reviews More Reviews

Most Helpful Positive Review
May 15, 2013

The seasoning on this Prime Rib is excellent as written. I don't know if the one other reviewer HMW10284, actually made this roast. The only thing I did differently is insert the meat thermometer prior to placing the roast in the 450 degree oven. I cooked the meat to 135 - pulled it and let it rest. It was perfect for us. Just done enough for hubby and rare enough for me. If you cook to 145 and let rest your meat will be closer to well done rather than medium. There are other cooking methods I prefer but the seasoning on this rib roast deserves 5 stars.

Most Helpful Critical Review
Dec 24, 2012

The most important part is to get good meat. Nothing belongs on Prime Rib other that a wee bit of salt and maybe a mite of pepper. Everything else obscures the taste of the meat.


8 Ratings

Apr 19, 2015

Hello - thanks for looking at my recipe. Not sure why the temp got changed when they edited this but you should cook to 140 for medium. We pull it out at 135. The reviewers that talk about the rub being great and then using their own cooking instructions are probably right on but if you're new to prime rib, give this a try. The husband of a friend of mine likes this rub so much that he uses it in his restaurant and says its the most popular item on his menu. So please, cook it how you want (the turn the oven off method works very well but I think a low temp is good too) but the spice rub is probably the best feature of this recipe.

Jan 04, 2015

We think McCormic's blend of seasoning has a lot of garlic, so I didn't add extra. I patted my roast dry, then rubbed the 4 lb roast with 2 teaspoons of EVOO, mixed the Montreal seasoning, mustard powder and Italian seasonings, then heavily dusted the roast. I let the seasoned meat rest uncovered in the refrigerator for 3 hrs (next time I'll do 8 or even overnight), then followed the cooking instructions. A thermometer is a must! I inserted it prior to cooking and when the temperature reached 135, I pulled the roast and let it rest for about 25 minutes covered. What a nice crust this cooking method and spice blend results in!! We definitely will have again.

Jan 16, 2014

I used this recipe mainly for the marinade rub, for the Italian spice I used Mediterranean spice from, perfect for this recipe. After I applied the rub, I wrapped the roast in plastic wrap and let it come to room temperature while marinating (took about an hour and half). We could taste the mild flavoring of the rub in each bite. I did follow the cooking instructions, but took my roast out when it reached 130° on my digital probe thermometer. The temperature rose to 142° while wrapped in the foil for 15 minutes, so if you really like it rare, you might keep that in mind. That said, this was my very first Prime rib roast and my husband said it was excellent, better than he gets in a restaurant. Tender, juicy and really was very easy.

Jan 07, 2014

Followed the cooking instructions. Seasoned the meat the way we like it (a little less ing. than recipe) Roast was 5.75 lbs that was cooked. Tasted just like we get at a fine restaurant. Husband couldn't stop raving about dinner!

Dec 29, 2013

Excellent instructions and the result was perfect!


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  • Calories
  • 437 kcal
  • 22%
  • Carbohydrates
  • 0.5 g
  • < 1%
  • Cholesterol
  • 85 mg
  • 28%
  • Fat
  • 38.1 g
  • 59%
  • Fiber
  • 0.1 g
  • < 1%
  • Protein
  • 21.5 g
  • 43%
  • Sodium
  • 246 mg
  • 10%

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

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