If you're tired of soggy microwaved fries, then you need to start reheating them in your air fryer! This guide will help you restore those leftover fries to their crispy glory in just 4-6 minutes, with just a tiny bit of added oil. This recipe has been tested with three different air fryer brands and models, and the result is amazing every single time!

Say Goodbye to Soggy Leftover Fries
Whether you have leftovers from last night or want to heat up the McDonald's fries you got at the drive through - this guide is for you. Fries make a great side dish even the day after, and especially when you use your favorite appliance the air fryer to reheat them.
It truly is the best way to reheat fries and get them back to their crispy glory. Sure, you can give them a new deep fry, but this is so much easier, and all without the grease.
Want more tips for reheating food in your air fryer? Check out my guide to reheating food in your air fryer.
Want to make something different with your leftovers? This leftover french fry casserole is delicious!
Top Tips for the Crispiest Results
Add seasonings before reheating. Add a bit of oil first to ensure the seasonings stick to the fries, then season as you like before air frying. I like adding a bit of salt or some spices.
Don't overcrowd your air fryer basket. You can have multiple layers, but don't fill it all the way up
Adjust cook time depending on how much you're reheating. 4 minutes is generally enough for a small amount of fries, for larger quantities you might need 6 minutes.
Use high temperature for the crispiest results. The fries don't need to "cook", they just need to heat back up again and regain a bit of crisp. For this reason I like to cook them at a high temperature (400°F or 205°C). Just keep an eye on them so they don't burn!

More Quick & Easy Air Fryer Recipes
- Air Fryer Chicken Drumsticks38 Minutes
- Air Fryer Orange Chicken20 Minutes
- Air Fryer Frozen Brussel Sprouts with Honey Balsamic Vinaigrette21 Minutes
- Air Fryer Steak Bites50 Minutes
More Guides to Reheating Food in Your Air Fryer
Recipe

Reheating Fries in the Air Fryer for Crispy Results
Print RateIngredients
- 2 handfuls leftover French fries
- olive oil or cooking spray, optional
Instructions
- Preheat air fryer by running it at 400°F (205°C) for 5 minutes.
- Place leftover French fries in air fryer basket and mix with a little bit of oil, or spritz with cooking spray. Season as desired.2 handfuls leftover French fries, olive oil
- Air fry 4-6 minutes at 400°F (205°C), shaking the fries once halfway. Check to make sure they are heated through, then serve!
Equipment (may contain affiliate links)
Notes
Nutrition
Nutritional information is approximate and automatically calculated, and should only be viewed as an indication.















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