Reheating Onion Rings in Air Fryer: Easy Step-By-Step Guide

Onion rings are a delicious combination of the deep onion flavor and salty, crispy breading. Paired with your favorite dipping sauce, they’re hard to beat and are delicious when served alongside a burger or hot dog.

However, like most fried foods, onion rings are notorious for not reheating well. For a long time this meant that if you couldn’t finish your onion rings, they were going in the trash. Fortunately, with the invention of the air fryer, this is no longer the case.

Reheating your onion rings in the air fryer is a super simple way to reheat them while keeping them as crispy as they were when fresh. Just toss them in at 350 degrees Fahrenheit for 5-10 minutes, and you’ll be left with perfectly crisp onion rings.

Can You Reheat Onion Rings in an Air Fryer?

Not only can you reheat onion rings in the air fryer, but it’s also actually one of the best options for reheating them while maintaining their texture and flavor.

When you reheat onion rings in the microwave, they’ll usually become soggy and lose that satisfying crunch that you look for in an onion ring. Using an air fryer maintains this crunch and helps to ensure that they don’t become soggy.

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How Long Does It Take to Reheat Onion Rings in an Air Fryer?

When you’re asking how long to reheat onion rings in an air fryer, the answer will vary based on a couple of factors. These factors include how cold the onion rings are, including if they’re frozen, and how many onion rings you need to reheat.

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On average, at 350 degrees Fahrenheit, the onion rings will take anywhere from 5-10 minutes to reheat. You should also make sure to flip them over or shake them around halfway through this time to make sure they’re crispy on all sides and heated all the way through. 

Why Reheat Onion Rings in an Air Fryer?

The biggest benefit to reheating onion rings in the air fryer is that it maintains their texture. One of the biggest issues that you’ll have with fried foods is that once they’ve cooled down after their initial frying, they’re not good anymore. 

This is because as the moisture accumulates, it softens the fried breading and takes away its crispy texture. If you try to microwave fried foods or heat them up in any of the more typical ways, the moisture just stays on the surface and makes the breading even soggier.

By reheating onion rings in the air fryer you can avoid this and actually make the breading crispier. 

Air frying is also a healthier alternative to frying your food in oils. Instead of adding extra oil to your food it simply circulates hot, dry air around the food allowing the edges to crisp up without needing oil. This makes it a great option for people who are trying to limit their fat intake but don’t want to give up the crispiness that comes with fried foods. 

Ninja AF101 Air Fryer that Crisps, Roasts, Reheats, & Dehydrates, for Quick, Easy Meals, 4 Quart Capacity, & High Gloss Finish, Grey
  • LESS FAT: Now enjoy guilt-free food. Air fry with up to 75% less fat than traditional frying methods.* *Tested against hand-cut, deep-fried French fries.
  • WIDE TEMPERATURE RANGE: 105°F-400°F allows you to gently remove moisture from foods or quickly cook and crisp foods with convection heat.
  • FAMILY-SIZED CAPACITY: 4-quart ceramic-coated nonstick basket and crisper plate fit 2 lbs of French fries.
  • 4-IN-1 VERSATILITY: Includes 4 versatile cooking programs: Air Fry, Roast, Reheat, and Dehydrate.
  • DEHYDRATE: Create flat, chip-like dehydrated foods for fun, homemade snacks. The combination of low fan speed and low temperature enables thorough dehydration.

How Do You Heat Up Onion Rings in an Air Fryer?

Heating up your onion rings in the air fryer is a super easy way to make your leftover onion rings crispy again. All you’ll need is an air fryer, the onion rings, and some seasoning if you need a bit of extra flavor.

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  1. Preheat the Air Fryer

The first step to heating up onion rings in the air fryer is preheating the air fryer. To do this you’ll place the air fryer on its preheat setting and select 350 degrees Fahrenheit

Once the air fryer is fully preheated it should sound and show that it has fully preheated. Once it’s hot it’s time to add in your onion rings.

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  1. Add the Onion Rings

Now you’ll want to add the onion rings to the basket. Make sure that the tray is inside the basket as this will make sure that the hot air can circulate through the onion rings easily. 

You’ll also want to make sure that the onion rings are spread out. You don’t want them resting on top of each other as this could cause them to stick together while they’re reheating. If the edges are touching that should be fine, but don’t put so many that there isn’t enough space for each to lie flat on the tray.

You may have to do multiple batches but doing it this way will ensure a perfectly crispy onion ring every time.

  1. Heat the Onion Rings

Now that the onion rings have been added to the basket, it’s time to start reheating them. This will usually take at least five minutes and sometimes up to ten. The exact amount of time will depend on how many onion rings you place in the air fryer and how cold they are.

If you are reheating frozen onion rings it’ll probably take closer to 10 minutes whereas onion rings starting from room temperature may take as few as five minutes.

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Regardless, you’ll want to make sure to flip the onion rings halfway through the cooking time. This will ensure that all sides of the onion rings are equally crispy.

  1. Season the Onion Rings

If you’d like to add some extra seasoning, now is the perfect time to do so. When you go to flip your onion rings halfway through the reheating time, you can add some of your favorite seasonings and toss them around with the onion rings. 

Since the onion rings are hot this will help the seasonings to stick to the breading. If you apply the seasonings once the onions are already out of the air fryer they won’t stick as well. 

  1. Remove and Enjoy!

You’ll know that your onion rings are ready to eat when they are fully crispy, hot to the touch, and have a nice, golden-brown color all over. 

All you’ll need to do is remove them, let them cool down slightly, then serve them with your favorite dipping sauce.


Reheating your onion rings in the air fryer is the best way to reheat them quickly without losing any of their signature crispiness. It also allows you to have perfectly crisp fried foods without having to add a ton of excess oil.

All you’ll need to do is throw them into a preheated air fryer for around 5-10 minutes, making sure to flip them halfway through the cooking time. After that, just serve them with your favorite dipping sauce and enjoy!