March 2, 2024
Learn how to reheat fries in an air fryer with this ultimate guide. Discover tips for seasoning and adding cheese to your fries, tips for sweet potato fries, and creative ways to use leftover fries.


Have you ever reheated fries in the microwave or oven, only to find that they come out soggy and unappetizing? We’ve all been there, but luckily, there is a solution: reheating fries in an air fryer. Not only can an air fryer give you perfectly crispy fries, but it can also be used to add seasonings, cheese, and even upcycle leftovers. In this article, we will explore the best methods for reheating fries in an air fryer, along with some tips, recipes, and recommendations for dipping sauces.

The Basic Method

The most basic method for reheating fries in an air fryer involves simply placing the fries in the basket and cooking them at 400 degrees Fahrenheit for 3-5 minutes. However, it is important to adjust the temperature and time depending on the thickness of the fries. Thicker fries may require a higher temperature or longer cook time to achieve the desired crispiness. To get the best results with this method, it is important to preheat the air fryer, shake the basket halfway through cooking, and avoid overcrowding the basket.

Double Fry Method

The double fry method is a popular technique for reheating fries that involves frying them twice. The first fry cooks the fries through, while the second fry crisps them up. This method works particularly well for fries that are thicker or have been sitting in the fridge. To use this method in an air fryer, start by heating the fries at 380 degrees Fahrenheit for 3-4 minutes. Then, let the fries cool for a few minutes before heating them again at 400 degrees for 1-2 minutes. The science behind this method is that the first fry removes excess moisture from the fries, which allows the second fry to create a crispy outer layer.

Seasoned Fries

If you’re looking to add some extra flavor to your reheated fries, there are many seasoning options to choose from. Some popular choices include garlic salt, paprika, chili powder, and Parmesan cheese. To add seasoning to your fries, it is important to do so in a way that ensures it is evenly distributed. One method is to mix the seasoning with oil and toss the fries in the mixture before cooking. Alternatively, you can sprinkle the seasoning over the fries after they have been heated.

Cheese Fries

Cheese fries are a classic indulgent snack, but reheating them can be a challenge. By using an air fryer, you can achieve perfectly melted cheese without overcooking the fries. To make cheese fries in an air fryer, start by cooking the fries at 400 degrees Fahrenheit for 3-5 minutes. Then, add shredded cheese to the top of the fries and cook for an additional 1-2 minutes. You can also add toppings such as bacon or green onions for an extra kick.

Dipping Sauces

No fries are complete without a delicious dipping sauce. When it comes to pairing dipping sauces with reheated fries, it is important to choose a sauce with a texture and temperature that complements the fries. Some popular options include ketchup, ranch dressing, and chipotle aioli. To achieve the perfect texture, it is important to serve the sauce at room temperature and avoid refrigerating it. This will prevent the sauce from becoming too thick or clumpy.

Sweet Potato Fries

Sweet potato fries are a popular alternative to regular fries, but they can be a little trickier to reheat. Because they contain more moisture than regular fries, sweet potato fries require a lower temperature and longer cook time to avoid becoming too soft. To reheat sweet potato fries in an air fryer, start by cooking them at 375 degrees Fahrenheit for 5-6 minutes. Then, increase the temperature to 400 degrees and cook for an additional 1-2 minutes to achieve a crispy exterior.

Upcycling Leftovers

Leftover fries may not be as appealing as fresh fries, but with a little creativity, you can turn them into a delicious new dish. One popular option is poutine, a Canadian dish made with fries, gravy, and cheese curds. To make poutine in an air fryer, start by reheating the fries and cheese curds together at 400 degrees Fahrenheit for 2-3 minutes. Then, add hot gravy on top and serve immediately. Another option is beer-battered fries, which can be made by dipping the leftover fries in a batter made from beer, flour, and spices, and frying them in the air fryer for 8-10 minutes at 400 degrees Fahrenheit.


Reheating fries in an air fryer is a game-changer when it comes to achieving perfectly crispy fries. Whether you prefer basic fries, seasoned fries, cheese fries, or sweet potato fries, there is a method that will work for you. With some creative thinking, you can also upcycle leftover fries into new and exciting dishes. So next time you have some leftover fries, don’t let them go to waste – try reheating them in your air fryer and enjoy them all over again.

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