How to Reheat Prime Rib in 3 Easy Ways

Love this? Share it with your people 💕

This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases.

Prime rib is my absolute favorite meat cut to have for a fancy dinner at home. I take great delight in cooking and devouring this delicious fatty, juicy, and divinely tender meat.

After all, they call it prime for a reason!

It goes perfectly with so many side dishes such as roasted sweet potatoes, roasted veggies, a large variety of salads, different sautés and sauces, roasted potatoes, spicy potato gratin, and my forever favorite, deliciously creamy garlic mashed potatoes! 

WANT TO SAVE THIS?

Don't lose this! Enter your email and we'll send it instantly.

When it comes to reheating, prime rib isn’t as easy to reheat as chicken or turkey cuts. When reheating a prime rib, it can be a bit bothersome to achieve the same juicy and tender goodness as a freshly prepared prime rib.

You’re always worried about the meat drying out and not looking or tasting as good as it did when you cooked it. 

However, there are a few ways in which you can reheat prime rib so that it retains its original tenderness and juiciness. So, read on if you want to learn how to reheat prime rib perfectly every single time! 

How to Reheat Prime Rib 

There are 3 common ways to reheat prime rib – in an oven, in a steamer, and in a microwave.

The method you prefer depends entirely on how much time you have and whether you have slices of prime rib or whole prime rib.

So, let’s see how you can reheat a prime rib via these three methods.

A quick note on food safety: the USDA recommends reheating leftovers to 165°F. Prime rib heated that far will be well-done, so the methods below warm it gently to about 120 to 125°F instead to keep the pink center. Use a food thermometer either way.

In a Steamer

If you’re looking for a gentle way to reheat prime rib slices, then reheating them in a steamer is the way to go. Here’s how you can reheat prime rib in a steamer:

Things You Will Need

• Prime rib
• Aluminum foil
• Au jus or beef broth
• A steamer

Instructions

1. Depending on the size of your steamer, pour at least 1 to 3 inches of water in the bottom of your pot before you place your steamer basket on top of it and put it on the stove.
2. While you bring the water to a simmer, carefully make an aluminum foil pouch by pulling out a sheet and curving up its edges.  
3. Place your leftover prime rib into the foil pouch and make sure to drizzle some leftover au jus on the meat before closing the foil edges and sealing the pouch.
4. Carefully place the pouch with the prime rib in the steamer and cover the pot. 
5. Allow the meat to warm through. It will take about 3 to 6 minutes. Check the temperature of the prime rib by inserting a thermometer into the meat. Since this roast has already been cooked through, reheating until just to your preferred eating temperature is the way to go. You don’t want to overcook it in the process of reheating.
6. Remove the pouch from the steamer and serve the prime rib right away so that it doesn’t continue to cook on the inside. Make sure to drizzle the leftover au jus on top of it before serving it.  

Check out these articles:

• What To Serve With Prime Rib
• Texas Roadhouse Prime Rib Recipe (Copycat)
• Leftover Prime Rib Recipes
• Garlic Mashed Potatoes
• Texas Roadhouse Green Bean Recipe (Copycat)

In an Oven

If you are wondering how to reheat a whole prime rib roast, then reheating it in an oven is the way to go.

This is hands down my favorite way of reheating prime rib as it allows the meat to retain its juiciness and ideal pink, tender center. Here’s how you can reheat prime rib in an oven:

Things You Will Need

• Prime rib
• Roasting pan with a rack
• Beef broth or au jus
• Aluminum foil
• A meat thermometer

Instructions

1. Take the prime rib out of the fridge 30 to 60 minutes before reheating, and preheat your oven to 250°F.
2. Set your leftover prime rib on a rack in a roasting pan and pour several tablespoons of leftover au jus or beef broth over it.
3. Cover the pan tightly with some aluminum foil and put it in the oven. This will ensure that the meat remains juicy.  
4. Let the meat reheat until a thermometer in the center reads 120 to 125°F for medium-rare. A whole roast takes about 1 to 1½ hours, and thick slices take about 10 to 15 minutes. This is for an already-cooked prime rib, so you want to reheat it JUST ENOUGH to be a tasteful meal. You don’t want to reheat it until it overcooks.
5. Remove the reheated prime rib from the oven, place the pan on your countertop and pat the outside of the meat dry with paper towels.
6. Heat up a skillet on high flame and put some butter in it. Sear the meat for about 1 minute per side so that it becomes crispy on the outside.
7. Put the cooked prime rib in a platter and pour some au jus on it. That’s it, you can now serve the prime rib!

Pro Tip: Start checking the temperature early. A small roast or a few thick slices will be ready well before the full time.

In a Microwave

If you have leftover prime rib slices, then it’s best to reheat them in a microwave. Here’s how you can heat up pre-cooked prime rib in a microwave:

Things You Will Need

• Prime rib slices
• A microwave-safe dish
• Some beef stock or leftover au jus
• A food thermometer

Instructions

1. Place the prime rib slices in a microwave-safe dish.
2. Pour a few tablespoons of beef stock or leftover au jus over the slices.
3. Cover the dish with a vented lid and place it in your microwave.
4. For a full plate full of prime rib slices, start off heating at 30 seconds. For three slices or less, start out at 15 seconds. Turn slices over with tongs to help with consistent heating.
5. Check the temperature of the slices and continue to reheat the prime rib slices in 15-second increments until the meat is JUST WARM ENOUGH to eat. It’s easy to overcook/overheat anything in the microwave, so turn the slices every 15 seconds.
6. Take the reheated prime rib slices out of the microwave, place them on a platter, and serve IMMEDIATELY with some au jus or some delicious horseradish sauce.

Pro tip: Make sure to reheat the meat in 15-second increments. This will allow you to reheat it to the perfect temperature and prevent it from drying out. 

How to Keep Prime Rib from Drying Out 

The best way to prevent a prime rib from drying out is to reheat it in the oven. Take it out of the fridge 30 to 60 minutes before reheating, then reheat for JUST ENOUGH time to keep it from overcooking.

Make sure to drizzle plenty of au jus over it and cover it with aluminum foil before putting it in the oven.

This will help keep the meat from drying out.

How Long Will Prime Rib Last in the Fridge?

Cooked prime rib will last 3 to 4 days in the fridge if kept cold the whole time. Refrigerate it within 2 hours of cooking. For best quality, keep the prime rib in larger pieces rather than thin slices.

Airtight containers and tight wraps will help keep the meat from drying out.

If you want your leftover prime rib to last longer than 4 days, freeze it. Frozen prime rib stays safe, but use it within 3 to 4 months for the best flavor and texture.

The bottom line

I hope you enjoyed reading this guide on how to reheat prime rib. Do try the ways I have mentioned above to reheat prime rib – in a microwave, oven, and steamer – to reheat your leftover meat cut.

Make sure that you devour your fridge-kept prime rib within 3 to 4 days. 

5 of our favorite pieces of cookware lately!

• ThermoPro Instant Read Meat Thermometer
• Roasting Pan With Rack
• Lodge Cast Iron Skillet
• Stainless Steel Steamer Basket
• Cuisinart Food Processor