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A Chef's Foolproof Method for Making the Best Prime Rib

Name: Chef John's Perfect Prime Rib
Prep time: 10 min
Cook time: 2 h 20 min
Total time: 2 h 30 min
Yield: 4
Ingredients: 1 (4 pound) prime rib roast; ¼ cup unsalted butter, softened; 1 tablespoon freshly ground black pepper; 1 teaspoon herbes de Provence; kosher salt to taste

November 17, 2023

A Chef's Foolproof Method for Making the Best Prime Rib

Borrowed from allrecipes.com, use Chef John's easy "mathematical method," and you'll get the best prime rib, cooked to a perfect medium rare, every time.

Chef John's Perfect Prime Rib

Rated 5 stars by 1 users

Servings

Prep Time

10 minutes

Cook Time

140 minutes

From Allrecipes.com:

If you've ever carved into a prime rib at a big holiday meal expecting a juicy, perfectly pink interior only to discover a dry, overcooked roast, this recipe is for you.

This simple, foolproof "mathematical method" for making the very best prime rib will greatly increase your chances of success. Here is the formula: Multiply the exact weight times 5 minutes. For me it was 5.35 x 5 = 26.75 minutes, which we round up to 27.

You'll cook your room-temperature prime rib at 500 degrees F for exactly that many minutes. (Twenty-seven minutes, in my case.) Then turn off the oven and wait 2 hours without opening the door. When the time's up, remove the prime rib and slice into the most perfectly medium-rare meat you've ever seen. See? That's all it takes to make foolproof prime rib cooked to a perfect pink that's somewhere just a shade under medium rare. Just make sure you're starting with a prime rib that has been brought to room temperature! This is critical in order for the math to work!

Now, while the method could not be easier, there are a couple things that this method requires: a full-size, modern oven with a digital temperature setting that indicates when it is preheated. Older ovens with manual controls can vary greatly, and the doors may not have the proper insulation. Here's another pro tip for you: Because prime rib is expensive, you should always insert a probe-style thermometer to monitor the internal temp of your roast and avoid any chance of over-cooking. Set the probe alarm (125 F for medium-rare) just in case, and pull the prime rib from oven even if there's still time left on the oven timer.

Serve your prime rib with Chef John's Beef Au Jus. Enjoy!

Author:

Source: AllRecipes

Ingredients

1 (4 pound) prime rib roast
¼ cup unsalted butter, softened
1 tablespoon freshly ground black pepper
1 teaspoon herbes de Provence
kosher salt to taste

Directions

Place prime rib roast on a plate and bring to room temperature, 2 to 4 hours.
Preheat the oven to 500 degrees F (260 degrees C).
Combine butter, pepper, and herbes de Provence in a bowl; mix until well blended. Spread butter mixture evenly over entire roast. Season roast generously with kosher salt.
Roast the 4-pound roast in the preheated oven for 20 minutes. (If your roast is larger or smaller than 4 pounds, multiply the exact weight times 5 minutes.)
Turn the oven off and, leaving the roast in the oven with the door closed, let the roast sit in the oven for 2 hours.
Remove roast from the oven, slice, and serve.