Air Fryer Onions

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Air fryer onions are a quick and easy way to get tender, yet crispy-edged onions perfect for topping a burger or adding to an omelet.

Air fried onions on black plate with red and white napkin

Onions in the Air Fryer

The air fryer is perfect for frying up a batch of onions to top steaks and burgers. The onions get a nice charred edge, are just soft enough, and full of great flavor. Here are a few tips for making air fryer onions:

First, slice the onion into even-sized pieces. I always cut my onion in half length-wise. Place the flat side down on my board and continue cutting into pieces about 1/4 inch thick.

Second, toss the onion with oil and seasonings. Be sure to put them in a single layer when placing them in the fryer basket. Avoid large clumps as you want to allow for airflow around all of the pieces.

Third, when frying you are looking for an end result of onions that are charred and crispy on the edges yet soft and translucent in the middle.

Raw onions in the air fryer

How to Air Fry Onions

Prep the Air Fyer: Preheat air fryer to 400°F.

Prep the Onions: Slice the onions into pieces about 1/4 inch thick. Toss onions with oil and seasonings.

Air Fry the Onions: Place in an even layer in the air fryer basket. Depending on the size of your basket you may need to air fry in two batches. Air fry for 5 minutes. Toss and air fry for 5-6 more minutes. Adjust seasoning to taste.

How Long to Cook Onions in Air Fryer

The cooking time in an air fryer depends on the thickness of your onions, the quantity, and spacing of the items in the fryer basket.

Remember to be consistent and allow plenty of airflow around the items. Don’t be afraid of frying more than one batch if you have a lot of onions. You will have a cook time of about 10 minutes is what I found.

Fried onions in the air fryer

I use the COSORI Air Fryer pictured in these posts. I’m partial to a square basket air fryer as I find it easier to fit more food into the basket. This is a 5.8QT air fryer, one of the largest machines I’ve found that works effectively.

The machine is a bit retro with simple knob controls. It turns out that I really like the basic settings and ability to set the time and temp like a traditional appliance. I’ve used a few different air fryers with pre-programmed settings and I found I was still tweaking the times.

This machine is surprisingly easy to clean and the two-part basket locks together (it’s literally impossible for it to detach the way some do) until you open the latch and then push the button to release it. I simply wipe down the baskets with a sudsy dish scrub brush or sponge, rinse and let them air dry on the counter.

cooked onions on plate with red napkin

Onions add so much great flavor to even the simplest dish. My oldest son likes to use these onions on burgers or in his breakfast burritos.

Smoked sausage with peppers and onions, is delicious, colorful, and easy every time. Smokey and sweet is always a hit.

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The air fryer is a quick and easy way to make almost any vegetable. Here are some vegetables to try: sweet potatoes, cabbage, cauliflower, asparagus, broccoli, and even carrots.

cooked onions on plate with red napkin

Air Fryer Onions

Air fryer onions are a quick and easy way to get tender, yet crispy-edged onions perfect for topping a burger or adding to an omelet.
Prep Time: 5 mins
Cook Time: 10 mins
Total Time: 15 mins
Servings: 4

Ingredients 

  • 1 yellow onion large, sliced
  • 1 tablespoon olive oil
  • ¼ teaspoon kosher salt adjust to taste
  • teaspoon freshly ground black pepper adjust to taste

Instructions

  • Preheat air fryer to 400°F.
  • Toss onions with oil and seasonings. Place in an even layer in the air fryer basket. Depending on the size of your basket you may need to air fry in two batches.
  • Air fry for 5 minutes. Toss and air fry 5-6 more minutes. Adjust seasoning to taste.

Nutrition

Calories: 42kcal · Carbohydrates: 3g · Protein: 1g · Fat: 4g · Saturated Fat: 1g · Polyunsaturated Fat: 1g · Monounsaturated Fat: 3g · Sodium: 147mg · Potassium: 40mg · Fiber: 1g · Sugar: 1g · Vitamin A: 1IU · Vitamin C: 2mg · Calcium: 6mg · Iron: 1mg
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Onions in the air fryer

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