A prime rib roast is so tender and juicy when cooked properly, and I'm going to show you how. This cut of meat is mighty expensive, and you wouldn't want to mess it up, so I have all the information you need. Prime rib is the perfect entree to serve at holiday gatherings.
How To Select A Prime Rib Roast
You could say that selecting the rib roast is the most important step. Choosing the top grade is the only option for me. There is a large price difference between Prime, Choice, and Select. In my opinion, the first two grades are the only options.
-
Choosing the Right Grade
USDA Prime: The highest quality grade. This rib roast has heavy, even marbling (white flecks of fat throughout the muscle) that gives it a rich, buttery, melt-in-your-mouth texture.
USDA Choice: This is the most common grocery store grade. It is moderately marbled, has a great beefy flavor, and is much more affordable than Prime while still being tender. Look for "High Choice" or "Premium Choice" options.
-
Selecting Chuck vs. Loin
There are two distinct ends for the standing rib roast. My dad taught me this when I was selecting a ham for Easter. It also has two distinct ends: the butt and the shank.
The Chuck End (Large End / Ribs 4–7 / Towards the Head): Richer, deeper beef flavor with a larger, more ribeye muscle and more intermuscular fat. This end gives you a fatty, deeply flavorful crust and the prized cap meat.
The Loin End (Small End / Ribs 10–12 / Towards the Strip Loin): More uniform and leaner, with less fat and a smaller cap. Perfect if you prefer leaner meat.
-
Calculating Size and Bone Count
Portion Rule: Plan for 2 people per rib (or roughly ½ to 1 pound of meat per person, depending on side dishes).
Bone Guide:
A 3-rib roast weighs about 7 to 8.5 pounds and feeds roughly 6 people.
A 4-rib roast feeds around 8 people.
A 7-rib roast is a full primal cut weighing upwards of 14 to 18 pounds for a large crowd.
Bone-In vs. Boneless:
A standing (bone-in) roast uses the natural bones as a built-in roasting rack and adds flavor. You can also ask your butcher to "bone and tie" the roast—removing the bones and tying them back on with butcher twine for the best of both worlds and easier carving.
-
Visually Inspecting the Roast
Marbling: Look at the cut end for the fine white fat marbling. It should be prominent and distributed throughout the roast.
Fat Cap: Look for a clean, creamy-white fat cap on the exterior that is roughly ½-inch thick. The butcher can trim the excess.
Color and Freshness: The meat should be a bright, cherry-red color with no brown edges, gray spots, or torn/leaky packaging.
Tools And Supplies
You need a good prime rib roast, a knife, and a shallow roasting pan. We use an old Le Creuset casserole pan to cook ours. It is just the right size and has a shallow depth. You will also need a platter for serving. Serve it on your best dinnerware with a beautiful glass of wine.
How to Cook a Prime Rib Roast
The perfect prime rib roast is juicy, tender, and amazing! I'm sharing the secret from my butcher on how to cook the most flavorful, tender prime rib roast.
Prime Rib Roast Recipe
Ingredients
- 1 4-pound Standing rib roast, aged prime, well marbled with white or cream-colored fat
- Salt and pepper to taste
- 2 cloves garlic, sliced, optional
Instructions
-
Let the meat sit out of the refrigerator for at least one hour to bring it to room temperature before cooking.
-
Heat the oven to 375F degrees.
-
Place the meat fat side up in a shallow roasting pan.
-
Do not cover; do not add water.
-
Sprinkle the roast with salt and pepper.
-
Add the sliced garlic to the top
-
Put the roast in the oven and cook for just one hour.
-
Here's the secret: Turn off the heat, but don't open the oven door until you're ready to serve.
-
Regardless of how long the meat has been in the oven, 30 or 40 minutes before serving, turn the oven back on and set the temperature to 375F.
-
Cook the meat for 30-40 minutes more.
-
If you cook it for 30 minutes, it will be rare to medium throughout; 40 minutes will still leave some rare to medium, but more of it will be well done. I personally think it is perfect at 30 minutes; hubby prefers it cooked longer.
-
Now open the oven door and remove the roast to a serving platter. It will be perfect every time.
-
Let it rest for 5-10 minutes before carving.
Other Methods for Cooking a Prime Rib Roast
If this cooking method doesn't sound right for you, or if you prefer to have a crusty crust, use one of these options.
High-Heat Sear and Low-Temperature Roasting Method
First, sear the rib roast at 450 – 500 degrees for 15 to 20 minutes so it gets crusty.
Next, lower the oven temperature to 325 degrees and cook until it is done. This method makes it easy to overcook the prime rib, so watch it closely.
Test the internal temperature with a meat thermometer. For medium, the internal temperature should be 135 degrees.
Reverse Sear Method
Cook the prime rib at 250–300 degrees until it is 10 to 15 degrees below the internal temperature you want.
Next, remove the roast from the oven and sear it in a hot pan until crusty.
Slow Roasting Method
Cook the roast at 250 – 300 degrees until done. Check the internal temperature with a meat thermometer.
The roast may not develop a crusty exterior.
Alternative High Heat Sear Method For Cooking A Prime Rib Roast
Ingredients:
- 4 to 5 lb. rib roast
- 1 tablespoon black pepper
- 2 cloves garlic, minced
- 1 tablespoon oil
- Salt and pepper
Instructions:
- Preheat oven to 450°F.
- Season the roast with salt and pepper. Other spices may be used.
- Sear the roast on all sides in a hot skillet over high heat for 2 to 3 minutes per side
- Place the rib roast in a roasting pan and roast at 325°F. Roast until the internal meat temperature is 125°F for rare, 130°F for medium-rare, or 135°F for medium. Cooking time, depending on your desired doneness, is about 12 to 24 minutes per pound.
- Remove the roast from the oven and let it rest for 15 to 20 minutes before carving.
Tips To Make Sure Your Prime Rib Roast Is Perfect
Use a meat thermometer to make sure your roast is cooked to the desired doneness.
Let the roast rest for 15 to 20 minutes so the juices flow throughout your prime rib to make it more flavorful and tender.
Season with salt and pepper. Other herbs and spices may be used but are not necessary.
Again – Do not overcook it!
How To Cook A Prime Rib Roast
Author: Recipe Idea Shop
Ingredients
- 1 4-pound Standing rib roast aged prime , well marbled with white or cream-colored fat
- Salt and pepper to taste
- 2 cloves garlic sliced, optional
Instructions
- Let the meat sit out of the refrigerator at least one hour to bring it to room temperature before cooking.
- Heat the oven to 375F degrees.
- Place the meat fat side up in a shallow roasting pan.
- Do not cover; to not add water.
- Sprinkle the roast with salt and pepper.
- Add the sliced garlic to the top, if using.
- Put the roast in the oven and cook for just one hour.
- Here's the secret: Turn off the heat, but do not open the oven door at any time until ready to serve.
- Regardless of the length of time the meat has been in the oven, 30 or 40 minutes before serving, turn the oven on again, setting the temperature to 375F degrees.
- Cook the meat for 30-40 minutes more.
- If you cook it for 30 minutes, it will be rare to medium throughout; 40 minutes will still leave some rare to medium, but more of it will be well done. I personally think it is perfect at 30 minutes; Don prefers it cooked longer.
- Now open the oven door and remove the roast to a serving platter. It will be perfect every time.
- Let it rest for 5-10 minutes before carving.
Nutrition (may vary depending on ingredients and amounts used)
Notes
- Instant Pot Beef Burgundy Bourguignon
- How to Make a New York Strip Steak
- Marinated Flank Steak
- Easy Oven Roasted Spatchcocked Chicken
Cindy says
You need to have a mixture of Panko & flour with lots of dried herbs, salt & pepper ~ splash of balsamic ~ on top of the roast so the fat will render into the flour/panko and create a crust. There's too much unappetizing fat on top as it is in the photo. * I've had a recipe for lesser cuts of roast (i.e. rump) to put the herb mixture on ~ then roast @ 500 for 7 min (med) or 6 min (med rare) per lb, turn off and leave in the oven for 5 hours. Perfect every time, but the drawback is that it's cold ~ but still perfect (and 500 is NOT a typo)
Kathy Owen says
Thank you for the tip. I will try it!