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How To Reheat A Sandwich In The Oven? Detailed Steps and 4 Best Tips

Stop serving yourself a cold sandwich! We can show you how to reheat a sandwich in the oven with useful tips to help you have a hot tasty meal.

How To Reheat A Sandwich In The Oven Detailed Steps And Tips


Sometimes you are too full to finish a sandwich, and you have something left. It’s such a waste if you just throw it away. You can save it in your fridge or freezer for future reheating. So how to reheat a sandwich in the oven? But let’s dig into the reasons why we need to do so first.

It’s necessary for you to know how to warm the bread. Eating a cold leftover is 100 percent not recommended because the original taste has already changed after keeping it in the fridge. Therefore, you can not fully enjoy the meal.

Besides, having a cold meal can sometimes cause stomach aches. It’s also not a good idea to eat cold food in chilly weather. Thus, reheating offers you a healthier, refreshed meal.

There are different ways to revive a sandwich, such as using a microwave, oven, air fryer, or good skillet. Depending on your situation, you can choose which method is convenient. However, the highly recommended one is using the oven. It will bring you tasty hot bread without being soggy. 

Read our article to make yourself a fast warm meal!

The best method to warm your tasty food is using an oven

How To Reheat A Sandwich In The Oven? 

Pros And Cons Of Using Oven To Reheat A Sandwich


  • It gives the bread crisp and crunch as if it’s fresh. 
  • This appliance can spread the heat evenly on the aluminum foil-covered bread so it will not be dry.


  • Wrapping the bread in aluminum foil can be quite complicated for some people.
  • Though it’s highly recommended to use an oven to heat the food, the time it takes to cook it is quite long, and few people are willing to wait.


Time: 15-20 minutes 

Temperature: 325°F or about 160°C

Step 1. Set the preheat mode at 325°F.

Step 2. Wrap the sandwich in aluminum foil. Ensure you wrap it well all the way around; otherwise, your bread can be dry.

Step 3. When the ideal temperature comes, place the wrapped food inside for around 15-20 minutes. 

Step 4. Take it out and check whether it’s hot enough. If not, put it back for 3-5 minutes. You should always be careful when touching the aluminum foil as it’s very hot after heating, though it does no harm to your food.

Step 5. Serve your dish when it’s done as soon as possible.

Reheating the bread

Useful Tricks

Don’t know how to reheat a sandwich in the oven effectively? Read our helpful tips right here!

For Dry Or Hard Bread

  • Take a big paper bag to fit your bread inside. 
  • Fold it tightly but make sure there is some air in the bag.
  • Make the bag wet to help heat the bread without burning it.
  • Put it on heating at 325°F for 15-20 minutes; then, your meal is ready.

For Soft And Soggy Bread

  • Put the uncovered bread on the baking tray to reheat for 10-15 minutes. It will help evaporate the moisture, and the piece will become crispy enough.  
  • When it’s still not hot enough in the middle, put it in a paper bag for 5 minutes to be fully heated. 

The delish sandwich after reheating

Best Approach For Reheating Different Kinds Of Sandwich

How To Reheat A Chicken Sandwich In The Oven?

Improper ways of warming can make your bread soggy and chicken lose its tasty flavor and become dry. Should you not want your bread to become inedible, here are the steps to reheat it correctly by using the oven.

Step 1. Separate the chicken and vegetables (if any) from the bread and heat them separately. 

Step 2. Use a toaster oven or greased pan to make the bread crispy.

Step 3. Place the chicken for heating at 350℉ for 2-4 minutes. Do not reheat any pickles or vegetables. 

Step 4. Reassemble all the parts again and enjoy.


  1. The best way to store your leftover bread is to keep it in the original bag. However, if you have thrown the bag away, you can put it in a plastic bag or wrap it in a plastic folic. 
  2. There is an alternative way to wrap the whole piece in wax paper or aluminum foil without separating the inside parts. Set preheat mode at 350℉ and leave the food for warming for around 15-20 minutes. You can use this useful method to reheat Burrito as well. 

How To Reheat A Reuben Sandwich In The Oven?

In case you have a piece of Reuben that you couldn’t finish last time, we will show you how to reheat it and still keep the original taste of that delicious food. 

It’s not a good idea to warm it in the microwave because the microwave can not reheat and keep the great flavor of sauerkraut and Swiss cheese. The best choice is to use a conventional or toaster oven.

Step 1. Enfold the piece in aluminum foil and heat it at 325℉ for 10 minutes. 

Step 2. Check whether it’s hot enough; if not, continue heating for 5 minutes. 

Step 3. Unwrap and enjoy your meal.

Tasty Reuben

How To Reheat A Toasted Sandwich In The Oven?

There are not many things to do to cook your toast again. It’s as simple as you made it previously. Using the oven can easily bring out the original taste of your food.

Place your toast on the baking tray and turn the appliance on. It depends much on how strong your oven is. As a master of your kitchen, you understand what timing is best to heat your toast.

Reheating A Frozen Sandwich

Before reheating a frozen one, the first thing you need to do is to defrost it to guarantee an even heat. Leaving it in the refrigerator for at least a couple of hours will allow the bread to warm easier and reduce the development of microbes.  

If you are in a rush, moving it from the freezer to the baking tray without thawing is acceptable, but you should set up a longer warming time. Extra 5-10 minutes is recommended. 

You can use a regular oven, but a toaster one will be more suitable in this case. The air circulation helps provide sufficient air to heat up the food efficiently. Follow these steps to have a nice treat:

Step 1. Preheat the appliance to 350℉.

Step 2. Put the bread on the baking tray, then cover it with aluminum foil. 

Step 3. Heat it for 5 minutes. 

Step 4. Flip the piece, place the cover over again and continue heating for 3 minutes or longer if you prefer hotter bread.

Note that the toaster type works faster than the conventional ones, so make sure you always stop for a while to check to avoid burning.

Step 5. Take out your meal and enjoy.

Reheating a frozen sandwich without thawing is possible

Reheat Sandwich FAQs 

How Do You Warm Up A Sandwich Without It Getting Soggy?

Using the oven can make the bread hot without being soggy. If you wonder how to reheat a sandwich in the oven better, here is the proper way. You will need aluminum foil to wrap it and put it in the appliance. Turn on the heat at 325°F for 25-20 minutes. The result will be an evenly heated sandwich that doesn’t become soggy.

Can I Reheat A Sandwich With Mayo In The Oven?

Yes, you can do it. However, conventional or toaster ovens are preferred. There will be no harm to this oil-based ingredient since the conventional ones are always a good choice for baking and cooking. The only thing you should remember is that it’s safer to reheat the mayonnaise once. Therefore, try to avoid heating the mayo sandwich the second time.

How Do You Reheat A Large Sandwich?

Just reheat a large sandwich by following the steps mentioned above. Apart from that, you should increase the reheating time in the appliance and babysit to avoid overcooking. 

Suppose you have a big, long sandwich (or bread) to reheat. You may want to find a bigger oven for baking (24, 27, or 30 inches wide) to place your large bread inside and warm it.

Only enjoy your sandwich after rewarming


By providing you with suggestions on how to reheat a sandwich in the oven, we hope you don’t need to eat a cold sandwich anymore. The settled time and temperature for reheating vary depending on what type you have exactly. 

In general, the meal is well-reheated when all ingredients are equally hot, and there is no sign of soggy. Warming the bread in an oven can preserve its texture and flavor, making it an ideal option.

One thing to keep in mind is you can not reheat it twice. We know that most people warm the food several times without the awareness of the health risks. In general, warming any dish twice is not recommended, and you should throw away what you can’t finish. 

The development of microbes after several reheating times is why you shouldn’t warm food more than once. If you think you can not finish your big piece of sandwich, cut it into a suitable size, reheat, and enjoy. Bon appetit!



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Anya Kaats

Hi! I’m Anya, a San Diego-based Holistic Health Coach and Marketing Consultant on a mission to share good food, health & happiness with as many people as possible. I am a graduate of the Institute for Integrative Nutrition (IIN) and have worked in the natural & organic products industry for my entire professional career with companies such as Suja Juice, Brad’s Raw Foods, and Mamma Chia. While my life may be totally consumed with healthy food now, nutrition wasn’t always a passion of mine.