How To Reheat Sliced Roast Beef?

Reheating sliced roast beef is a simple process that can be done quickly and easily. There are several methods for reheating your leftover sliced roast beef to taste just as good as when you first cooked it. Mostly roast beef is reheated in a microwave oven, in an air fryer, and a skillet. 

What Is Roast Beef?

Roast beef is a classic dish that has been popular for centuries. It comprises seasoned, cooked, and sliced beef, typically served with gravy or jus. The cut of beef used can vary, but the most common cuts are sirloin, chuck roast, and round steak. Roasting is a great way to capture the full flavor of the beef, which is why it remains a popular choice for any meal.

How To Thaw Frozen Roast Beef?

Step 1: To thaw frozen roast beef safely, use one of the following methods:

Step 2: Cover the frozen slices in a shallow dish with plastic wrap. Thaw in the refrigerator for 4-5 hours or overnight.

Step 3: Submerge the sealed package in cold water and change the water every 20 minutes until the meat is thawed.

Step 4: Once the roast beef slices are thawed, you can begin heating them.

How To Reheat Sliced Roast Beef In A Micro Microwave?

Step 1: Place the roast beef slices in a microwave-safe dish.

Step 2: Add 2 tablespoons of water or beef broth to the dish, ensuring that all pieces are moistened. This will help keep them moist and juicy during reheating.

Step 3: Cover the dish with a lid or plastic wrap, leaving room for steam to escape.

Step 4: Place the dish in the microwave and heat on medium-high for 1 minute.

Step 5: Check to see if the roast beef is heated through before heating for an additional 30 seconds if needed.

Step 6: Once reheated, serve with your favorite sides and enjoy!

How To Reheat Sliced Roast Beef In Steam?

Step 1: Fill the bottom of a large pan with 1 inch of water and simmer over medium-high heat. Place a steam basket or colander in the pan, ensuring it is not touching the water.

Step 2: Place slices of roast beef on top of the steam basket or colander. Cover the pan with a lid and let the steam heat the roast beef until it is hot enough to serve.

Step 3: Remove slices of roast beef from the steamer using tongs or a fork, as they will be very hot. Serve immediately and enjoy!

How To Reheat Sliced Roast Beef In Airfryer?

Step 1: Preheat the air fryer to 350°F for about 5 minutes.

Step 2: Place the beef slices in a single layer in the basket of your air fryer and cook for 5-6 minutes, flipping them once during cooking.

Step 3: For extra crispiness, spray both sides of the beef with oil before placing it in the fryer.

Step 4: When done, remove from heat and let stand for about 1 minute before serving.

Step 5: You can season with salt or pepper if desired.

How To Reheat Sliced Roast Beef In A Water Bath?

Step 1: Bring a pot of water to a simmer on the stove. The water should be deep enough to cover the slices of roast beef.

Step 2: Place the slices into the hot water and let them heat until they reach an internal temperature of 165°F (74°C). This will take around 10 minutes.

Step 3: After heating the roast beef, remove it from the water and serve immediately.

Step 4: If you need to keep the roast beef warm before serving, place it on a plate and cover it with foil until ready to serve. This will help ensure your beef stays as moist as possible during reheating.

Step 5: If you would rather use the oven, preheat it to 250°F (121°C). Place the slices of roast beef onto a baking sheet and heat for 8–10 minutes until they reach 165°F (74°C).

Step 6: If you cannot access an oven or stovetop, you can also reheat your roast beef in a microwave. Place the slices on a plate and heat for 1–2 minutes until they reach an internal temperature of 165°F (74°C). Be sure to rotate the beef halfway through to ensure even reheating.

How To Reheat Sliced Roast Beef In Skillet?

Step 1: Heat a skillet over medium heat and add 1-2 tablespoons of oil.

Step 2: Place the slices of roast beef in the skillet, spreading it out so that all sides have an even contact with the bottom of the pan.

Step 3: Cook each side for 2-3 minutes until lightly browned.

Step 4: Once lightly browned, reduce the heat to low and cover the skillet with a lid.

Step 5: Cook for 3-4 minutes until heated through.

Step 6: Serve warm, and enjoy!

Reheating Roast Beef In Gravy

Step 1: Preheat oven to 350°F (175°)

Step 2: Place the slices in an oven-safe dish, making sure not to overcrowd them.

Step 3: Add 1/4 cup of beef or chicken broth into the dish and spoon gravy over the roast beef slices.

Step 4: Cover with foil and cook for 20 minutes.

Step 5: Remove the foil and cook for 10 minutes until the roast beef is hot and the gravy is bubbly.

Step 6: Serve with warm mashed potatoes or noodles! Enjoy!

Essential Tips For Reheating Sliced Roast Beef

Keep the Slices Moist

Whether you’re using the oven or stovetop, adding a bit of liquid (like broth or water) helps keep the beef slices moist and prevents them from drying out.

Check The Internal Temperature

To ensure food safety, always check the internal temperature of reheated meat. Aim for a minimum of 165 degrees Fahrenheit (74 degrees Celsius).

Let It Rest

After reheating, give your roast beef a moment to rest before serving. This short pause allows the juices to redistribute throughout the meat, enhancing its flavor and tenderness.

How Long Does Leftover Roast Beef Last?

Once cooked, roast beef will last 3-4 days in the refrigerator. It can also be frozen for up to four months. To maintain freshness and prevent spoilage, it is best to cover your roast beef tightly with plastic wrap or aluminum foil before storing it in the refrigerator or freezer.

What’s The Best Way To Store sliced roast beef?

After slicing and cooling, store the sliced roast beef in an airtight container or a plastic bag. If you plan to consume it within 3-4 days, you may also keep it uncovered in your refrigerator. For longer storage time, wrap the meat tightly with freezer paper or aluminum foil and freeze it.


What cut of beef is used for roast beef?

Roast beef is usually made from a cut known as the sirloin tip or round. This cut is often leaner than others, making it ideal for roasting. It can also be made using chuck roast, rump roast, brisket, or top-round steak.

What is the cooking time and temperature for roast beef?

Reheating sliced roast beef is a quick and easy process. The recommended cooking time is between 10 and 15 minutes, depending on the thickness of the slices. The ideal temperature for reheating roast beef is 325-350 degrees Fahrenheit, although you can cook it at 350-400 degrees Fahrenheit if needed. Checking on the roast beef frequently while it’s reheating is important, as overcooking can make it dry and tough.

Do you put water in the pan when cooking roast beef?

No, you don’t need to put water in the pan when reheating sliced roast beef. When roasting a full cut of beef, it’s often recommended to add some liquid to keep the meat moist and prevent it from drying out. However, this is not necessary when just reheating pre-sliced beef, as the slices are typically thinner and will cook more quickly.

Can I reheat meat without overcooking it?

Yes, It is possible to reheat meat without overcooking it. The key is to use low and slow heat, which will help preserve the flavor and texture of the roast beef.

Is there a way to make my deli-sliced roast beef less salty?

Yes, Reheating sliced roast beef in a moist environment can help alleviate some saltiness. To do this,  preheat your oven to 350 degrees Fahrenheit. Lightly grease a baking sheet and place the slices of roast beef on it. Cover with aluminum foil and bake for 15 minutes. This process will allow the leftover moisture in the slices of roast beef to become reabsorbed and help reduce some of the saltiness.


How To Reheat Sliced Roast Beef - Infographics
How To Reheat Sliced Roast Beef – Infographics

Reheating sliced roast beef can be done in several ways. Ovens, microwaves, and even stoves can reheat the meat. When reheating in an oven or on a stovetop, keeping an eye on the food while cooking is important, as overcooking can lead to a dry product. Remember that the food can cook unevenly and stir regularly when using a microwave. If you want the most convenient option, reheating sliced roast beef in a microwave is probably your best bet.