The BEST Prime Rib Recipe!  This simple method results in incredible, perfectly cooked prime rib each and every time. All you need is two ingredients, a roasting pan and a thermometer for this goof-proof prime rib recipe.

Everything you need to know about cooking prime rib is right here in this post! From prime rib seasoning to prime rib cooking time, differences between various cuts of roast, and more, this traditional method has you covered.

This easy recipe makes the best prime rib in the world! Let’s dive right in!

Prime rib is generally accepted as the alpha omega of all the beef cuts.

And for a great reason! This cut of Meat is tender, loaded with flavor due to the intramuscular fat, and has the most delightful drool-worthy layer of crispy fat on the outside.

Cooking large pieces of meat can be intimidating, but what I’ve learned over the years is the bigger the better. 

I say that somewhat in jest, but also somewhat seriously. 

Large cuts of meat typically include a decent amount of fat content, which helps lubricate the meat throughout the cooking process and results in tender, delicious meat.

In addition, larger cuts are typically cooked for a longer period of time, again resulting in mouth-watering succulent meat.

To summarize: there is no need to be intimidated by the standing rib roast! What we have here is the best prime rib recipe for guaranteed success!

Here is everything you need to know about making an amazing prime rib roast!

What is Prime Rib?:

Prime Rib, also known as standing rib roast, is cut from the rib section of the cow. It has a great deal of intramuscular fat as well as a layer of fat on the outside of the roast.

You can find prime rib at your local grocery store easily during the holiday season, or you can special order it if the butcher doesn’t have it in stock.

The generous amount of fat marbling throughout the meat ensures the meat stays moist and tender. This translates to flavor, amazing texture, and tender, amazing meat.

While you can easily make bone-in standing rib roast, I selected a boneless prime rib for this tutorial. The cooking methods are the same in either case.

This impressive main course is ideal for serving for Christmas dinner or any holiday meal during the holiday season, special occasions, family gatherings, dinner party or anytime the craving strikes.

While there are many cooking methods for preparing prime rib, I’ve found roasting it in the oven is a great way to get the perfect result every single time.

How to Make Prime Rib:

Step 1: Season the meat and bring it to room temperature.

First things first! Place the roast in a roasting pan (or large casserole dish or a large rimmed baking sheet) and sprinkle liberally with sea salt. Use your hands to pat the salt into the meat.

Pro Tip: If you have time, dry brine the meat by simply placing it in the refrigerator for 1 to 24 hours. This will ensure the salt penetrates deeply into the meat.

If you don’t have time to dry brine prime rib, no worries, it will still turn out amazing.

Before putting the meat in the oven, you want it to be room temperature, or as close to room temperature as possible.

The best way to do this is simply to leave the roast on the counter in a roasting pan for 2 to 3 hours prior to baking. For a larger roast (8 to 10 lbs), you’ll need about 3 hours, and for smaller roasts, 6 to 8 lbs, 1 to 2 hours should do the trick.

If you’re pressed for time, you can bring the temperature of the meat up by placing it in a warm oven.

Place the roast in the roasting pan, season it with kosher salt and place it in a 200-degree oven for 10 to 15 minutes. For a 10-lb roast, go for about 15 to 20 minutes. If you notice the roast is starting to bake (the fat is rendering), pull it out, or roast it immediately.

Step 2: Bake at 500 degrees for 8 to 15 minutes.

Baking at a high temperature sears the outside of the meat, which locks the moisture inside and also creates the most delectable crust on the outside.

When you’re ready to roast the prime rib, preheat the oven to 500 degrees F.

Place the roasting pan with the prime rib in the oven and roast for 8 to 15 minutes, until the outside is deeply golden-brown.

The exact cooking time depends on the size of the roast. For a 5 to 6-pound roast, bake for 8 minutes. For a larger, 10-pound prime rib, bake for 15.

Step 3: Decrease the Oven Temperature and Finish Roasting.

After the initial HOT flash, reduce open the oven to let out some heat and reduce the heat to 300 degrees F.

For rare prime rib, bake for 11 to 14 minutes per pound. For medium-rare, about 15 to 18 minutes per pound. For medium, about 18 to 21 minutes per pound. The lower temperature ensures the roast cooks to perfection without burning the outside.

For the last 20 to 30 minutes, you can increase the oven heat to 325 to speed up the process. Just keep an eye on the temperature.

Be sure to use a meat thermometer to check the internal temperature of the meat for the desired result! 

To do so, insert an instant-read thermometer into the thickest part of the roast and wait until the numbers top moving to get an accurate read.

Step 4: Let the Meat Rest!

Allow the meat to rest 20 to 30 minutes before you slice into it.

How to Cut Prime Rib: 

Transfer the whole roast to a cutting board.

Prime rib roast has ribs on the bottom (if it came bone-in), which can either be served to your guests or removed.

If you’d like to cut the ribs off before serving, turn the roast on one side (after it has rested for 20 to 30 minutes!) and use a sharp knife to cut the bottom off (this will be about 1 inch).

You can serve the ribs or save them for soup!

Stand the roast back up and cut against the grain.

Slice thin layers, or cut the prime rib roast into ribeye steaks. I prefer going the steak route so that each person has a nice portion of meat and an amazing crispy fat exterior.

Prime Rib Cooking Time:

How many hours does it take to cook prime rib?

The amount of time it takes to roast prime rib in the oven is dependent on three factors: the size of the roast, its temperature going into the oven, and your desired level of doneness (i.e. rare, medium-rare, etc). 

Ideally, the roast will be at room temperature before it enters the oven. 

If this is the case, the prime rib will need 8 to 15 minutes at 500 degrees Fahrenheit, then another 1 to 2.5 hours at 300 degrees Fahrenheit, depending on the size of the roast.

11 to 14 minutes per pound for rare (120 degrees F), 15 to 18 minutes per pound for medium-rare (130 to 135 degrees F), and 18 to 21 minutes per pound for medium (138 to 140 degrees F).

So for a 5.5-pound roast to be cooked to medium, you need to first bake at 500 degrees for 8 minutes, and just under 2 hours at 300 degrees.

The bake time will need to be adjusted upward if the roast is colder than room temperature when it goes in the oven. Add another 1 minute or so per pound to the allotted bake time if you’re cooking the prime rib fresh out of the refrigerator.

Final Cooking Temperatures for Beef:

Rare: 120 degrees F

Medium-rare: 130 to 135 degrees F

Medium: 138 to 140 degrees F

Medium-well: 140 to 145 degrees F

Well done: above 145 degrees F

The most important thing is you end up with your preferred level of doneness.

For this reason, the perfect prime rib will most assuredly be achieved as long as it is well-seasoned and you pay attention to the internal temperature.

What Size Roast To Buy:

What is generally recommended is to allot 1 pound of meat per person, and/or to go by 1 rib for every two people. So if your roast is over 8 pounds and has 4 ribs, that means it will serve 8 people very comfortably.

Do take into consideration the fact that bones weigh into the weight. For example, if you’re looking to serve 10 people, be sure your roast weighs 11 pounds or more.

More realistically, there will be some people who won’t eat a full pound of meat in one sitting, so judge the size you need depending on the hunger level of your guests.

Prime Rib Rub:

Prime rib is so amazingly flavorful on its own that seasoning it with anything other than salt isn’t necessary!

However, if you’re looking for some unique flavor on that crispy outer crust, here is my go-to prime rib rub:

• 2 teaspoons sea salt
• 1 teaspoon ground paprika
• 2 teaspoons Italian seasoning
• 1 teaspoon garlic powder
• 1 teaspoon onion powder.

Stir these ingredients together in a bowl, then rub them generously all over the prime rib roast as it sits at room temperature.

You can also go with an herb mixture by combining 1/2 cup softened butter with 1/3 cup chopped fresh herbs and 4 to 5 garlic cloves.

Difference Between Prime Rib and Ribeye Roast:

After googling “difference between prime rib and ribeye” the main difference is ribeye is a slice off of a prime rib, which is the whole roast.

Sometimes prime rib is labeled as “Ribeye Roast” at the grocery store, in which case, ribeye roast and prime rib roast are the same thing.

Prime rib is often used interchangeably with ribeye steaks. While ribeye roast and prime rib are the same, ribeye steak is different from prime rib roast in the sense that it is only a piece of the roast.

Is prime rib and ribeye the same? Yes and no. Ribeye steak is simply a steak cut off of a prime rib roast (or standing rib roast as some call it). Bone-in ribeye is a steak with a rib attached to it – also cut from a prime rib roast. 

To summarize: ribeye roast and prime rib are the same. Ribeye (as in the steak) is a slice off of prime rib roast.

What to Serve With Prime Rib:

Traditionally, prime rib is served with red wine and homemade horseradish sauce an au jus. Many people also serve it with baked potatoes with grated cheese and sour cream.

I always serve prime rib with some sort of potato side dish as well as lighter side dishes to offset the richness of the meal.

Serve this amazing main entrée with your favorite side dishes. Here are some of mine.

Healthy Side Dish Recipes:

Enjoy leftover prime rib the next days and the days to come! Simply store it in an airtight container in the refrigerator for up to 1 week.

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If you make this recipe, please feel free to share a photo and tag @The.Roasted.Root on Instagram!

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