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Because they really can be just as delicious the second time around.
Leftover french fries…wait, is that even a thing?! If by some miracle you happen to have leftovers of these irresistible crispy potato spears, then you’ll definitely want to know how to reheat them the right way. Believe it or not, they really can taste just as good as they did on the first day you made them—and that’s a good thing, because we all know that there are few things worse than a soggy fry.
Ahead, we’re sharing tips on how to reheat french fries so that they’re nice and crispy for round two. Whether you’re making a plain and simple batch or opting for something a little more exciting—like the Garlic-Parmesan French Fries that we can’t stop ordering at The Merc!—our tips can help you out. After all, not only can you use these ideas to properly reheat homemade fries, but they’re also great for reheating leftover restaurant fries, too. Oh, and we’re also sharing a reheating method for air fryer french fries.
P.S. Don’t miss our favorite potato recipes!
No matter what, do not—we repeat, do not—use a microwave! If you do, you’re all but guaranteed to get soggy fries. No one wants this. Instead, the best way to reheat french fries is in the oven at a high temperature. This will ensure that the outside gets as crispy as can be while the inside stays light and fluffy. But if you do happen to own an air fryer, you can use that, too! Just set it to 350˚, then place your leftover fries in a single layer in the fryer basket and heat for 3 to 5 minutes or until your desired crispiness has been reached. Pro tip: Don’t crowd the air fryer basket or the fries won’t get as crispy.
First, preheat the oven to 425˚. Then, spread your french fries out on a parchment-linked baking sheet, making sure none of them are touching (again, if they’re too crowded, they won’t get as crispy). Heat them in the oven for about 8 to 10 minutes, then give them a quick toss. If you like them a little crispier, we recommend continuing to bake for 2 to 3 more minutes.
The answer here is: It depends. You can reheat them, of course, but depending on how old they are, you may want to just toss them and make (or buy!) a new batch. French fries will only be good for a few days in the fridge; any longer than that, and they’ll start to lose their texture and become crumbly. The moral of the story: Be sure to reheat and eat your leftover french fries in a timely manner!