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Reheat Heavenly Prime Rib Perfectly

Prime rib is a delicious cut of meat that is perfect for special occasions. However, leftovers can be tricky to reheat without drying out the meat or making it tough. Follow these tips for reheating prime rib slices, a roast, and keeping it tender and juicy.

Reheating in Oven

Leftover prime rib slices are easy to reheat. Simply place them on a baking sheet and warm them up gently in the oven.

  • Preheat oven to 300°F.
  • Arrange slices on a baking sheet lined with foil or parchment paper. Make sure the slices are not overlapping.
  • Heat slices for 10-15 minutes until warmed through. Check temperature with a meat thermometer to ensure they reach 140°F.
  • Watch closely near the end as they can overcook quickly.
  • For extra moisture, add a pat of butter on top of each slice before reheating.
  • Slice across the grain before serving.

Reheating in the oven keeps prime rib slices tender and juicy. Be careful not to overcook them.

Reheating in the Microwave

  • Place prime rib slices on a microwave-safe plate in a single layer.
  • Cover with a paper towel to prevent splattering.
  • Microwave on 50% power in 30 second intervals until heated through, flipping halfway.
  • Check for cold spots and continue cooking if needed.
  • Take care not to overcook the meat.

Reheating in the Stovetop

  • Heat a skillet over medium-low heat. Add a bit of oil or butter.
  • Cook prime rib slices for 2-3 minutes per side until heated through.
  • Flip carefully to prevent drying out one side.
  • Optionally add beef broth to steam and add moisture.
  • Avoid high heat to prevent toughness.

Reheating a Prime Rib Roast

For leftover prime rib roasts, use lower heat over a longer time to evenly reheat the meat.

  • Preheat oven to 275°F.
  • Place the roast on a baking sheet or roasting pan.
  • Cover tightly with foil. Make sure the foil seals so steam can help keep the meat moist.
  • Heat for approximately 10 minutes per pound. A 5 pound roast will need 50 minutes.
  • Check temperature periodically until it reaches 140°F for medium rare.
  • Remove foil towards the end for crispy crust.
  • Allow to rest for 10-15 minutes before slicing and serving.

Using lower heat reheats the roast gently without drying it out. Check often to prevent overcooking.

Keeping Prime Rib Rare

The trick to keeping prime rib rare when reheating is to use low heat. High heat can make the meat cook more and lose its pink center.

  • Cut the meat into smaller portions before refrigerating. Smaller cuts reheat quicker.
  • Preheat oven to 250°F maximum.
  • Heat roast for only 8-10 minutes per pound. Check often.
  • Use a meat thermometer to test for doneness instead of relying on time. Stop reheating at 130°F for rare.
  • Rest the roast for 10 minutes before slicing to allow carryover cooking to finish without overcooking the center.

With proper slicing, resting, and low oven temperature, you can retain that perfect rare prime rib.


How do I reheat prime rib to serve it rare again?

The key is using low heat – reheating prime rib in an oven preheated to 250°F or less will keep it rare. Cook for 8-10 minutes per pound, and check the temperature often. Stop reheating at 130°F to keep it rare. Let it rest for 10 minutes before slicing into it.

What’s the best way to reheat prime rib slices?

For prime rib slices, place them on a baking sheet lined with foil or parchment paper. Preheat your oven to 300°F and heat the slices for 10-15 minutes until warmed through to 140°F. Watch closely near the end to prevent overcooking.

Should I reheat prime rib roast covered or uncovered?

Cover the roast tightly with foil when reheating to help keep it moist. Seal the foil so steam can help prevent it from drying out. Remove foil in the last 5-10 minutes if you want to crisp the exterior.

How long should I reheat a 5 pound prime rib roast?

For a 5 pound prime rib roast, reheat it approximately 50 minutes (10 minutes per pound) at 275°F oven temperature. Check the temperature periodically with a meat thermometer until it reaches 140°F for medium rare doneness.

What temperature should I reheat prime rib to?

Reheat prime rib to a minimum of 130°F for rare, 140°F for medium rare, 150°F for medium, and 160°F for well done. Always allow the roast to rest for 10-15 minutes before slicing into it.

Can I reheat prime rib in the microwave?

It’s best to avoid the microwave when reheating prime rib. The high heat can cause uneven cooking and make the meat dry or tough. Use the oven or grill for best results.

Tips for Reheating Prime Rib

  • Slice the leftover prime rib into thinner slices before reheating. This allows it to heat faster.
  • Use the oven or microwave to reheat at a low temperature. Don’t overcook it.
  • Add a little beef broth or au jus sauce to keep it moist during reheating.
  • Preheat your plate or serving dish so the prime rib doesn’t cool down as soon as you serve it.

Recipes for Leftover Prime Rib

  • Prime Rib Sandwiches – Thinly sliced prime rib, caramelized onions, melted cheese on a hoagie roll.
  • Prime Rib Hash – Diced prime rib, potatoes, onions, peppers and eggs scrambled together.
  • Prime Rib Tacos – Sliced prime rib, sautéed peppers and onions, avocado, cilantro and lime.
  • Prime Rib Quesadillas – Sliced prime rib, cheese and salsa melted between tortillas.
  • Prime Rib Soup – Bite size prime rib, vegetables and barley simmered in a savory broth.

Here are some specific appliance recommendations for reheating prime rib:


  • Panasonic NN-SN936B – 1200W microwave with Inverter technology for evenly reheated food


  • LG LDE4415ST – Electric double oven with convection setting for thorough, gentle reheating

Toaster Oven:

  • Breville BOV845BSS Smart Oven Pro – 1800W toaster oven with element IQ for controlled, consistent heating


  • GE JP5030DJBB – 30″ electric cooktop with dual-ring burner providing even, low heat distribution

Other Considerations:

  • Cuisinart TOB-260N1 – Compact toaster oven with 7 functions including convection for reheating slices
  • KitchenAid KCO273SS – Digital countertop oven with Asado Roast mode to crisp and reheat prime rib
  • All-Clad HA1 Hard Anodized pans – Durable, even-heating cookware for stovetop slicing reheats

The right appliances with precise temperature controls and even heat distribution allow you to gently reheat prime rib without drying it out. Convection ovens, inverter microwaves, dual-ring burners, and quality pans are ideal.

The key is to use a lower temperature reheating method to prevent drying out the prime rib. Let the reheated meat rest for 5-10 minutes before serving. Enjoy the tasty leftover prime rib!

Reheating prime rib correctly ensures you can enjoy delicious leftovers that are just as tender and juicy as the original meal. Follow these tips to reheat prime rib slices, roast, and keep your meat moist and rare. With proper techniques, the leftovers can taste just as amazing.

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