The Closed-Oven Method for Cooking a Prime Rib Roast (2024)

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Danilo Alfaro

The Closed-Oven Method for Cooking a Prime Rib Roast (1)

Danilo Alfaro

Danilo Alfaro has published more than 800 recipes and tutorials focused on making complicated culinary techniques approachable to home cooks.

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Updated on 02/6/24

Tested byJoan Velush

(4720)

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Prep: 5 mins

Cook: 2 hrs 30 mins

Fridge and Room-Temp Time: 11 hrs

Total: 13 hrs 35 mins

Servings: 4to 8 servings

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This technique produces a perfectly medium-rare prime rib roast with a gorgeous brown crust on the outside. It works best for smaller prime ribs, from 4 to 8 pounds. The key to this method is knowing the exact weight of your prime rib. Just copy it off the label, write it on a sticky note, and put it on your fridge before you throw away the butcher paper.

The Closed-Oven Method for Cooking a Prime Rib Roast (2)

A bonus for this recipe: You don't actually need a meat thermometer with this technique (although you can certainly use one anyway). You'll also notice that there's no resting time, which might come as a surprise if you're used to resting your meat after roasting it. Resting isn't necessary with this recipebecause the meat is basically resting as it sits in the oven.

Serve with some delicious sides, a simple au jus sauce made with the pan juices, or try a creamy horseradish sauce.

Ovens With Cooling Fans

Some oven models have cooling fans that reduce oven temperature quickly to protect electronic controls. Because this method needs the residual heat from the oven after it's turned off to cook the rib roast, ovens with these cooling fans may not be suitable to cook in this manner. If your oven does have this feature, we recommend you not use this closed-oven method and, instead, use the traditional method.

What You'll Need to Make This Prime Rib Roast Recipe

A Wireless Meat Thermometer
A Sharp Knife
A Dependable Roasting Pan

“The Closed Oven Method works beautifully. Follow the directions and you’ll achieve a perfect medium rare (130°) and a beautifully crusted exterior with virtually no fuss. Once the oven is turned off and the two hours are up, your roast is ready to serve with no resting.” —Joan Velush

The Closed-Oven Method for Cooking a Prime Rib Roast (6)

A Note From Our Recipe Tester

Ingredients

  • 1 (4- to 8-pound) beef rib roast, boneless or bone-in, trimmed, and tied

  • Kosher salt, to taste

  • Freshly ground black pepper, to taste

Steps to Make It

  1. Gather the ingredients.

    The Closed-Oven Method for Cooking a Prime Rib Roast (7)

  2. The night before cooking the prime rib, unwrap the roast and let it sit uncovered in the refrigerator. This will dry out the surface, making it easier to get a nice brown color on the roast.

    The Closed-Oven Method for Cooking a Prime Rib Roast (8)

  3. Three hours before you want to begin cooking, take the roast out of the fridge and place it on a sheet pan at room temperature.

    The Closed-Oven Method for Cooking a Prime Rib Roast (9)

  4. Half an hour before you start roasting, position a rack in the center of the oven and heat to 500 F. Season the meat generously with salt and pepper.

    The Closed-Oven Method for Cooking a Prime Rib Roast (10)

  5. Now it's time to do your calculation. Simply multiply the weight of your roast (in pounds) by 5. That's your total roasting time in minutes. For instance, if you have a 4-pound roast, 4 × 5 = 20 minutes. An 8-pound roast? 8 × 5 = 40 minutes. Remember that number.

    The Closed-Oven Method for Cooking a Prime Rib Roast (11)

  6. When you're ready to cook, set the roast in a roasting pan with a rack, fat-side up. If you're nervous about the cooking time, you can insert a meat thermometer or a digital probe thermometer into the deepest part of the meat, being careful not to hit bone.

    The Closed-Oven Method for Cooking a Prime Rib Roast (12)

  7. Roast the for however many minutes you calculated above. When the time's up, turn off the oven, and walk away. Do not open the oven door for any reason for the next 2 hours.

    The Closed-Oven Method for Cooking a Prime Rib Roast (13)

  8. In 2 hours, take the prime rib out of the oven, carve, and serve right away. If you used a thermometer, you'll see that the internal temperature of the meat has reached 130 F, perfect medium-rare.

    The Closed-Oven Method for Cooking a Prime Rib Roast (14)

Tips

  • For a bone-in prime rib, figure two servings per rib, while a boneless roast will yield two servings per pound.
  • When trying to figure out how much time you need to roast your prime rib, use this simple calculation: weight of the prime rib (in pounds) x 5 = total roasting time in minutes. For example, if you have a 3-pound roast, 3 x 5 = 15 minutes. A 6-pound roast? 6 x 5 = 30 minutes. If using another scale for weight, such as kilogram, convert to pounds before calculating the cooking time.

How Long Can You Leave Prime Rib Out Before Cooking?

For the best results, leave your prime rib roast out on the counter to come up to room temperature for two to three hours before cooking. It's not advisable to leave it much longer than three hours to help prevent the development of bacteria.

Do You Cover Prime Rib When You Cook It in the Oven?

Leaving prime rib roast uncovered while roasting allows the meat to develop a nice brown crust. You should only cover the roast with aluminum foil if it is becoming too brown. Overbrowning is not likely when using a cooking technique like the closed-oven method.

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Nutrition Facts (per serving)
1548Calories
123g Fat
0g Carbs
102g Protein

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Nutrition Facts
Servings: 4to 8
Amount per serving
Calories1548
% Daily Value*
Total Fat 123g158%
Saturated Fat 50g248%
Cholesterol 376mg125%
Sodium 325mg14%
Total Carbohydrate 0g0%
Dietary Fiber 0g0%
Total Sugars 0g
Protein 102g
Vitamin C 0mg0%
Calcium 60mg5%
Iron 11mg61%
Potassium 1474mg31%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

Recipe Tags:

  • steak
  • prime rib roast
  • dinner
  • american

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The Closed-Oven Method for Cooking a Prime Rib Roast (2024)

FAQs

Should prime rib roast be cooked covered or uncovered? ›

Keep the rib roast uncovered while you cook it to allow it to brown on the outside. You can also give it a little extra sear in a hot pan for a few minutes on each side after it's finished roasting.

What is the most important thing to do before roasting a prime rib roast? ›

Rule #7: Season Well, and Season in Advance. For best results, salt your prime rib on all surfaces with kosher salt at least 45 minutes before you start cooking it, and preferably the day before, leaving it in the fridge uncovered overnight.

How do restaurants make prime rib so tender? ›

How do restaurants make prime rib so tender? The secret to restaurant-style prime rib is cooking the meat super slow at low temperatures. I recommend cooking prime rib at no higher than 200 degrees F. This cooks the meat very slowly, turning the fat into butter and rendering the proteins juicy and soft.

Is it better to cook prime rib at 325 or 350? ›

Start by cooking your prime rib at 500°F for 15 minutes and then lower the oven temperature to 325° F and cook for 10-12 min per pound for rare, or 13-14 min per pound for medium rare, or 14-15 min per pound for medium well. A meat thermometer is essential to ensure you cook it perfectly!

What is the best temperature to cook a prime rib roast? ›

Brown the roast at 500°F (or as high as your oven will go) for 15 minutes. Lower the oven to 325°F to finish roasting: Reduce the oven temperature to 325°F. Roast in the oven until the thermometer registers 115°F for rare or 120° for medium rare, and 130°F for medium.

Should you oil prime rib before cooking? ›

Rub the prime rib with olive oil. In a small bowl, combine the salt, pepper, herbs and garlic powder. Rub this mixture onto the prime rib. Place the prime rib in a roasting pan, fat-side up, and insert an ovenproof meat thermometer so the tip is centered in the thickest part of the roast.

Should I put water in the bottom of my prime rib roast? ›

Place the roast fat side up in a shallow baking pan; then add some basting liquid to the bottom of the pan. I like to use red wine on the bottom of my pan to give the juices even more of a robust flavor, but water or beef stock will work just as well.

Is it best to season prime rib the night before? ›

Salt the Prime Rib Overnight

Rub a good quality kosher salt all over the meat the day before you want to cook it. Now, place it in the refrigerator overnight, UNCOVERED in order to enhance the beefy flavor while dissolving some of the proteins, which yields a buttery-tender, juicy roast.

Is prime rib better cooked slow or fast? ›

Cooked low and slow in the oven and finished with a blast of heat for the juiciest, most flavorful, evenly cooked prime rib roast. Kenji is the former culinary director for Serious Eats and a current culinary consultant for the site.

How long does it take to cook a prime rib roast at 250 degrees? ›

Heat the oven to 250°F with the rack in the lower middle position. Place the seasoned rib roast on a greased roasting rack in a roasting tray. Cook for 4 to 5 hours or until the internal temperature in the thickest part of the roast is 125-130°F for medium-rare prime rib, or 135-140°F for medium.

Why do you salt prime rib before cooking? ›

The salt helps trap the heat to better cook the prime rib. “It conducts the heat and seals it,” says Betz.

What is the rule for prime rib? ›

For a bone-in prime rib, figure two servings per rib, while a boneless roast will yield two servings per pound. When trying to figure out how much time you need to roast your prime rib, use this simple calculation: weight of the prime rib (in pounds) x 5 = total roasting time in minutes.

Is it better to cook prime rib slow or fast? ›

The Benefits of Slow Roasting

First, slow roasting produces a Prime Rib that is tender, juicy, and has evenly cooked meat.

How long should I let my prime rib sit out before cooking? ›

Let it sit on the counter for 2 to 3 hours before smoking; this will help it cook more evenly.

Should I sear prime rib before roasting? ›

We recommend a low, slow cook preceded by a good sear.

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