If you own an air fryer, you have probably noticed a button labeled “Reheat.” So what is the reheat button on an air fryer? Reheat buttons on air fryers restore leftovers to their original crispness using short bursts of circulating hot air. It is one of the most useful settings on the machine, yet many people never touch it.
This guide explains exactly what that button does, when to use it, and how it differs from the regular cooking modes. You will also get simple steps for reheating common foods the right way.
What Is The Reheat Button On An Air Fryer
The reheat button is a preset cooking mode designed specifically for warming up food that has already been cooked once. Instead of guessing a temperature and time, you press one button and the air fryer handles the rest.
On most models, the reheat preset runs at around 300 to 350 degrees Fahrenheit for three to five minutes. Some brands set it a bit higher or lower, but the idea is the same. The goal is to heat the food through without drying it out or burning the outside.
How The Reheat Function Actually Works
Air fryers cook by moving very hot air around the food at high speed. That moving air is what creates the crispy texture people love. When you use the reheat setting, the machine runs its fan and heating element in short, controlled cycles.
These short bursts of heat do two things at once. They warm the cold center of the food, and they pull moisture away from the surface. That moisture loss is what brings back the crunch that a microwave destroys.
A microwave heats food from the inside using water molecules. That process makes crispy food soggy fast. The reheat button avoids this problem because it works more like a small convection oven.
Reheat Button Vs. Regular Air Fry Mode
You might wonder why you cannot just use the normal air fry setting. You can, but the reheat preset is safer and simpler for leftovers. Here is the difference:
- Reheat preset: lower temperature, shorter time, less risk of burning
- Regular air fry mode: higher temperature, meant for raw or frozen food
- Reheat preset: usually one touch, no manual settings needed
- Regular air fry mode: you pick the temp and time yourself
For thin or delicate items, the reheat setting is almost always the better choice. For thick foods like a whole chicken breast, you may need to add a minute or two.
When You Should Use The Reheat Button
The reheat button works best for foods that were crispy or firm when they were fresh. It is not ideal for everything, so knowing when to use it saves you from disappointing results.
Foods That Reheat Perfectly
- Pizza slices and calzones
- Fried chicken and chicken tenders
- French fries and onion rings
- Egg rolls and spring rolls
- Grilled cheese and toasted sandwiches
- Roasted vegetables like potatoes and carrots
- Pastries, croissants, and bread rolls
All of these foods have a crispy or firm outer layer that benefits from dry, moving heat.
Foods You Should Avoid Reheating This Way
- Saucy pasta and wet casseroles
- Soups and stews
- Foods with a lot of melted cheese on top
- Leafy greens and soft herbs
These items can dry out or burn on the edges. A microwave or stovetop is usually better for them.
How To Use The Reheat Button Step By Step
Using the reheat setting is simple, but a few small habits make a big difference in the final result.
- Place your leftovers in the air fryer basket in a single layer. Do not pile them up.
- Leave a little space between pieces so the hot air can move around them.
- Press the reheat button. If your model lets you adjust, set it to 320 to 350 degrees.
- Set the timer for three to four minutes to start.
- Shake the basket or flip the food halfway through.
- Check the food. If the center is still cold, add one to two more minutes.
- Remove the food right away so it does not keep cooking and dry out.
For very thick items like a large piece of fried chicken, you may need five to six minutes total. For thin items like a slice of pizza, three minutes is often enough.
Tips For Better Reheating Results
- Add a tiny splash of water to the basket for dry foods like bread. It creates steam and keeps the inside soft.
- Spray a light coat of oil on foods that lost their shine, like fries or roasted veggies.
- Do not overcrowd the basket. Crowding traps moisture and kills the crisp.
- Preheat for one to two minutes if your air fryer has that option.
- Always check the internal temperature of meat leftovers before eating.
Common Questions About The Reheat Setting
Does Every Air Fryer Have A Reheat Button
No. Many basic models only have a temperature dial and a timer. If yours does not have a reheat button, you can still get the same result. Just set the temperature to about 320 degrees and run it for three to four minutes.
Is The Reheat Button The Same As The Warm Setting
Not quite. A warm setting usually holds food at a low temperature, around 150 to 170 degrees, without crisping it. The reheat button uses higher heat to bring back texture as well as warmth.
Can You Reheat Food More Than Once
It is best to reheat leftovers only one time. Each round of heating and cooling affects both taste and food safety. If you have a large amount, reheat only the portion you plan to eat.
Final Thoughts
The reheat button is a small feature that solves a big everyday problem. It brings leftover pizza, fries, and fried chicken back to life without the sogginess a microwave causes. The next time you open your air fryer and see that button, you will know exactly what it does and how to use it well.