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Crispy and Delicious: The Ultimate Guide to Reheating McDonald’s Fries

Fast food fries can be challenging to reheat. Particularly McDonald’s fries might be challenging to reheat without losing their crispness. Thankfully, there are a few techniques you can use to perfectly reheat McDonald’s fries. Use of an air fryer is one approach. Add the cold french fries to the air fryer and heat it to the highest setting, typically 400°F, for one minute.

Mcdonald's french

Toss the fries with a pinch of salt before serving and give the air fryer basket a quick shake to move the fries around.

Continue air frying for another 1 to 2 minutes or until crisp. The fries can also be reheated in an air fryer at 350°F (180°C) for 20 to 30 seconds after being microwaved for 10 seconds while covered with a moist paper towel.

As an alternative, you can restore the crisp to the fries by using the broiler or a dry skillet.

It’s crucial to remember that the ideal method for reheating McDonald’s fries may vary depending on taste, as some techniques may provide somewhat different textures.

However, you may consistently enjoy flawlessly reheated McDonald’s fries by following the experts’ advice and experimenting with various methods.

Why Reheating McDonald’s Fries is Tricky

Since McDonald’s fries are infamous for losing their crispness and turning soggy, reheating them might be challenging.

McDonald's french fries in the tray at McDonald's Restaurant

Maintaining the fries’ texture and flavor without overcooking them is the fundamental problem of reheating fries.

There are numerous ways to reheat McDonald’s fries, but not every one of them works well.

With this section, we will look at the difficulties involved with reheating McDonald’s fries.

The fact that McDonald’s fries have a lot of moisture in them is one of the key reasons why reheating them is challenging. Fries that have just been fried are crispy on the outside and fluffy inside.

However, as they cool, moisture is released, causing them to lose their crispness. The moisture in the fries evaporates when reheating, making them even drier.

This may produce a texture that is firm and chewy and very different from the original flavor.

The type of oil used to fry McDonald’s fries is another issue that makes reheating them difficult. McDonald’s fries are fried in a mixture of vegetable oils with a high smoke point.

The oil can tolerate high temperatures without burning or smoking, according to this. However, the oil may break down after reheating, giving the fries a greasy flavor and texture.

Additionally, the way the fries are reheated can impact both their flavor and texture. For instance, microwaved fries may become soggy, whereas toaster oven-roasted fries may become dry.

In light of your preferences and the instruments at your disposal, it is imperative to select the appropriate technique for reheating the fries.

In conclusion, because of their high moisture content, the kind of oil used to cook them, and the technique required to reheat them, McDonald’s fries can be difficult to reheat.

However, it is feasible to reheat them and keep their original flavor and texture by using the proper methods and equipment.

We will discuss the ideal methods for reheating McDonald’s fries as well as how to avoid common blunders in the parts that follow.

The Best Ways to Reheat McDonald’s Fries

There are a variety of techniques available for reheating McDonald’s fries.

McDonald's meal on wooden background

The three most common techniques—in the oven, in the toaster oven, and in the air fryer—will be covered in this section.

In the Oven

Fries can be reheated in the oven, which is a common practice. To do this, arrange the fries on a baking sheet and heat the oven to 400°F (205°C).

Fries should be fried through and crispy after 5 to 10 minutes in the oven. To prevent burning, make sure to check on the fries regularly.

In the Toaster Oven

You can reheat your McDonald’s fries in a toaster oven if you don’t want to use your regular oven.

To accomplish this, put the fries out on a baking sheet and heat the toaster oven to 375°F (190°C).

Fries should be fried through and crispy after 5 to 10 minutes in the oven. Once more, make careful to check on the fries regularly to prevent burning.

In the Air Fryer

Finally, you can reheat your McDonald’s fries using an air fryer if you have one.

Fries should be placed in the basket of the air fryer once it has been preheated to 400°F (205°C).

The fries should be heated through and crispy after 2 to 3 minutes of cooking. To achieve consistent cooking, shake the basket often.

Overall, reheating McDonald’s fries successfully depends on personal choice and the tools at hand.

Check on the fries regularly to make sure they don’t burn, whether you decide to cook them in the oven, toaster oven, or air fryer.

Even after they’ve cooled down, you may still enjoy McDonald’s fries that are absolutely crispy and delectable if you use the appropriate technique.

Tips for Reheating McDonald’s Fries

There are a few tricks to remember while reheating McDonald’s fries to make sure they stay crispy and delectable.

French fries scattered on the table on a dark wooden table

The following points should be remembered:

Use a Paper Towel

Using a paper towel to reheat McDonald’s fries is one of the finest methods.

McDonald's, French Fries at red tray

The fries need only be put on a plate designed for the microwave, covered with a damp paper towel, and heated for 20 seconds at a time.

The paper towel keeps the fries moist while they heat up, preventing them from drying out and turning rough.

It’s crucial to remember that the paper towel needs to be damp, not drenched. The fries may become soggy if the paper towel is overly moist.

Before reheating the fries, it’s also a good idea to rinse off any extra salt, as the salt might concentrate and dominate the fries when cooked.

Other Tips

There are a few additional suggestions that might help to make sure that your reheated McDonald’s fries turn out crispy and delectable in addition to using a paper towel.

french fries with ketchup from McDonalds

Here are some things to remember:

  • Avoid reheating the fries in the microwave for too long, as this can cause them to become tough and chewy.
  • Consider using an air fryer or oven to reheat the fries, as this can help to restore their crispiness.
  • If you’re reheating a large quantity of fries, consider splitting them up into smaller batches to ensure that they heat up evenly.
  • Be sure to remove any excess oil or grease from the fries before reheating them, as this can cause them to become greasy and unappetizing.

You can make sure that your McDonald’s fries are as crisp, delectable, and tasty when they are reheated by using the advice in this article.

Frequently Asked Questions

focus on french fries from McDonalds

Can you reheat McDonald’s fries in the microwave?

Yes, you can reheat McDonald’s fries in the microwave. However, they may end up soggy and not as crispy as when they were freshly cooked. To prevent this, try covering the fries with a damp paper towel and microwaving them for 10-15 seconds.

What is the best way to reheat McDonald’s fries?

The best way to reheat McDonald’s fries is to use an air fryer or toaster oven. Both of these methods will help to make the fries crispy again. Simply preheat the air fryer or toaster oven to 400°F, add the fries, and cook for 1-2 minutes until crispy. Be sure to toss the fries with a pinch of salt before serving.

Can you reheat McDonald’s fries in the oven?

Yes, you can reheat McDonald’s fries in the oven. Preheat the oven to 400°F, spread the fries out on a baking sheet, and bake for 5-10 minutes until crispy. Be sure to toss the fries with a pinch of salt before serving.

How long do McDonald’s fries last in the fridge?

McDonald’s fries can last in the fridge for up to 3-4 days. However, they may not be as crispy as when they were freshly cooked.

Can you freeze McDonald’s fries?

Yes, you can freeze McDonald’s fries. However, they may not be as crispy when reheated. To freeze the fries, place them in an airtight container or freezer bag and store them in the freezer for up to 2 months.

How do you reheat frozen McDonald’s fries?

To reheat frozen McDonald’s fries, preheat the oven to 400°F, spread the fries out on a baking sheet, and bake for 10-15 minutes until crispy. Alternatively, you can use an air fryer or toaster oven to reheat the fries.

Medium McDonald's potato fries on wooden table


In conclusion, reheating McDonald’s fries can be challenging, but with the appropriate technique, you can get wonderfully crispy fries every time.

Air fryers or ovens work best for reheating McDonald’s fries. Both techniques guarantee that the fries are crisp and evenly heated without losing their taste or texture.

Avoid using a microwave for reheating McDonald’s fries since it will cause the fries to become soggy and unpleasant.

Additionally, it’s crucial to refrain from adding more oil or salt to the fries because they already have enough of both.

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Written by Brian Nagele

Brian has over 20 years experience in the restaurant and hospitality industry. As a former restaurant owner, he knows about running a food business and loves to eat and enjoy cocktails on a regular basis. He constantly travels to new cities tasting and reviewing the most popular spots.