Easy, No-Fuss Prime Rib (2023)

A slow roastedPrime Rib recipe withstep by step instructions and tips for how to slow roast a boneless or bone-in prime rib roast. This herb and garlic crusted prime rib is unbelievably easy to make and is sure to “WOW” your dinner guests!

Cooking prime rib can seem intimidating, especially since it is so expensive and you don’t want to ruin it, but it is actually really simple! This easy prime rib recipe has simple ingredients and easy to follow instructions that will allow even the most novice cook to have success! Let’s start with the basics:

About the Price:

This section of beef is so tender and delicious that is comes at a cost. Most local grocery stores carry choice grade prime rib for between $10.99 to $11.99 per pound. I’ve found Costco to have the lowest prices for the best quality. They even sometimes carry prime grade meat.

Prime Rib is expensive, but just like most things, it’s much cheaper to serve at a dinner party at your house then to buy for everyone at a restaurant!

How much do you need?

Prime rib roast is also referred to as standing rib roast and it is the cut of meat that is taken from the back of the upper ribs of the cow. This prime rib section typically makes up about 7 ribs. You don’t have to buy the whole section, just specify to your butcher how many pounds you would like.

The rule of thumb for buying prime rib is to buy one pound per person. A bone-in standing rib roast will feed about 2 people per bone. Also, be sure to consider how many side dishes you plan to serve. If you are preparing a large holiday meal with plenty of other food you could plan on ½ – ¾ pound prime rib per person.

Bone-in or boneless Prime Rib:

You can choose to buy your prime rib bone-in or boneless. Many chef’s would say that bone-in ribs are more flavorful and cook better. I typically buy bone-in but I’ve cooked a boneless prime rib from Costco and honestly couldn’t really tell a difference

If you buy a bone-in prime rib you should ask the butcher to cut the bone off and tie it to the roast for you. My local butcher does this without asking, but ask them just in case. This way you can cook the bones with the meat: they make a nice rack for the meat to sit on, but then you can easily remove them before carving the roast.

If you decide to buy a boneless prime rib you will want to set it on a rack to roast. I’ve had success using the wire rack from my instant pot set on top of my cast iron skillet.

Cook time and Temperature:

The length of time you decide to cook your prime rib depends on how rare you want your meat.

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 prime rib, or 13-14 min per pound for medium rare prime rib, or 14-15 min per pound for medium well prime rib.

A meat thermometer is essential to ensure you cook it perfectly!

Roast your prime rib until the thermometer registers:

• 115-120˚F for rare
• 125-130˚F for medium rare
• 135-140° F for medium
• 145-150 F° for medium well

Please keep in mind that the meat temperature will continue to rise 5-10 degrees when it’s resting out of the oven, so don’t over cook it!

How to make Prime Rib:

1. Let it rest. Remove your prime rib from the refrigerator about 1 hour before cooking to give it time to come to room temperature. Season it with a little bit of salt and cover it lightly with plastic wrap while is rests.

2. Prepare herb rub. Combine the salt, pepper, fresh thyme, rosemary, garlic and olive oil and rub it all over the outside of the roast. Place a bone-in roast with the bones down, in a cast iron, roasting, or other oven safe pan. Place a boneless rib roast on top of a rack, and then in your pan.

3. Cook the boneless or bone-in prime rib at 500 degrees for 15 minutes and then reduce the oven temperature to 325 degrees and continue cooking until the meat is 5-10 degrees away from the desired doneness temperature (see cooking temperature guidelines above or below in the recipe card).

4. Allow time to rest. Remove the prime rib from the oven and and tent the entire roast with foil. Allow it to rest for 30 minutes–It will continue to cook the extra 5-10 degrees. Resting the meat is essential as it allows the juices to seal back into the meat. If you cut the meat too soon, the juices will run out and you will be left with a chewy prime rib roast.

5. Carve and Serve. Spoon some of the extra sauce from the pan over the roast, if desired, or use it to make gravy. Cut the kitchen string holding the roast to the bones (if using a bone-in roast) and remove the bones before carving.

Tips for perfect prime rib:

• Use ameat thermometer! You can use a probe that stays inside the meat the entire time it cooks or you can use a simpleinstant read meat thermometer. Either way, remember that each slice of meat is different and each oven is different. Don’t take the chance of ruining such an expensive piece of meat.
• Don’t over-cook! The meat will continue to cook once it’s taken out of the oven (your thermometer will continue to rise 5-10 degrees) so err on the side of taking your prime rib out early. If you take it out and it seems under-cooked, you can always cook it a little longer.

• Let it REST! As with most meat, you want to let it rest after cooking to allow the juices to settle in the meat, making it juicier and more tender. If you cut into your prime rib without letting it rest, the juices will rush out and the meat will be chewy.

• Cut meat across the grain. That means, notice the directional lines in the meat grain and slice perpendicular to them. If you cut along the grain then the meat will be tougher and chewier to eat.

Perfect Sides for Prime Rib:

• Perfect Mashed Potatoesor Twice Baked Potatoes
• Roasted Vegetables
• Homemade Rolls
• Classic Wedge Salad
• Skillet cornbread

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Have you tried this recipe?!

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