How Do You Cook Onions In An Air Fryer

If you’re a fan of onions and want to try a new and healthier way to cook them, then cooking onions in an air fryer might be just what you need. Air fryers have gained popularity in recent years for their ability to cook food with less oil, resulting in healthier and crispy dishes. This kitchen appliance uses hot air circulation to cook food, giving you the same great taste and texture as traditional frying methods without the greasy mess.

When it comes to cooking onions in an air fryer, there are a few things to keep in mind. First, you’ll want to choose the right type of onion. Yellow onions are a popular choice for cooking due to their mild and sweet flavor, but you can also use red or white onions depending on your preference.

To start, peel and slice your onions into desired sizes. If you want caramelized onions, slice them thinly. For a chunkier texture, cut them into larger pieces. You can also separate the onion layers for a more delicate presentation.

Next, preheat your air fryer to the recommended temperature. This will ensure that the onions cook evenly and become nice and crispy. Once preheated, add your onions to the air fryer basket, making sure not to overcrowd them. You want to leave enough space for the hot air to circulate around the onions.

Now it’s time to season your onions. You can keep it simple by adding a sprinkle of salt and pepper, or get creative with your favorite herbs and spices. A drizzle of olive oil can also enhance the flavor and help the onions crisp up even more. Toss the onions gently to evenly distribute the seasoning.

Close the air fryer and set the cooking time. Generally, cooking onions in an air fryer takes around 10-15 minutes, depending on the desired level of caramelization. It’s a good idea to check on the onions periodically and give them a stir to ensure they cook evenly.

Once the onions are cooked to your liking, carefully remove them from the air fryer and serve hot. Air-fried onions are a versatile ingredient that can be used in various dishes, from topping burgers and sandwiches to adding flavor to soups and stews. Their crispy texture and rich, caramelized flavor will surely elevate any dish!

Choose the Right Onion Variety

When cooking onions in an air fryer, it is important to choose the right onion variety. Different onion varieties have different flavours and textures, and choosing the right one can greatly enhance the taste of your dish.

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Here are some common onion varieties and their characteristics:

  • Yellow onions: These are the most commonly used onions and are known for their pungent and strong flavor. They have a high sugar content, which makes them great for caramelizing.
  • Red onions: These onions have a mild to sweet flavor and add a pop of color to dishes. They are often used raw in salads or pickled.
  • White onions: With a mild and slightly sweet flavor, white onions are a versatile option. They are great for adding flavor to salsas, sauces, and other dishes.
  • Sweet onions: As the name suggests, sweet onions have a high sugar content. They have a mild and sweet flavor, making them perfect for grilling or roasting.

Consider the recipe you are using and the desired flavor profile when choosing the onion variety. Whether you prefer a strong and pungent taste or a milder and sweeter flavor, the right onion variety can make a difference in your air fryer cooking.

Prepare and Slice the Onions

Before cooking onions in an air fryer, it’s important to properly prepare and slice them. Follow these steps to prepare your onions:

  1. Start by selecting fresh onions. Look for onions that have a firm texture and are free from any visible signs of rot or damage.
  2. Peel the onions by removing the outer skin. Cut off the top and bottom of each onion to create a stable base for slicing.
  3. Using a sharp knife, slice the onions to your desired thickness. Thin slices will cook faster and become crispier, while thicker slices will have a softer texture.
  4. Consider using a mandoline slicer if you want uniformly thin slices of onions.

Once you have prepared and sliced the onions, you are ready to cook them in an air fryer using your preferred recipe. Make sure to season them with your favorite herbs, spices, or marinades to enhance their flavor. Remember to preheat the air fryer before cooking for the best results.

Season the Onions

Before cooking the onions in an air fryer, it’s important to season them to enhance their flavor. Here are some ideas for seasoning your onions:

  • Salt and pepper: The basic combination of salt and pepper can do wonders in enhancing the taste of onions. Sprinkle some salt and freshly ground black pepper over the onions before cooking.
  • Garlic powder: For a hint of garlic flavor, sprinkle some garlic powder over the onions. This will add a delicious aroma and taste to the onions.
  • Herbs and spices: Experiment with different herbs and spices to add a unique twist to your onions. Some popular options include paprika, cumin, thyme, rosemary, and oregano.
  • Balsamic vinegar: Drizzle a little balsamic vinegar over the onions for some tanginess and sweetness. This will help caramelize the onions and add depth of flavor.
  • Oil or butter: Toss the onions with a little oil or melted butter to ensure they don’t stick to the air fryer basket. This will also help in browning and crisping up the onions.
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Once you’ve seasoned the onions, they are ready to be cooked in the air fryer. Make sure to preheat the air fryer before adding the onions for best results.

Cook the Onions in the Air Fryer

If you’re looking to bring out the delicious flavours of onions while still maintaining a crispy texture, the air fryer is the perfect tool for the job. Cooking onions in an air fryer is not only quick and easy, but it also requires very little effort. Here’s a step-by-step guide on how to cook onions in an air fryer.

Step 1: Prepare the Onions

  1. Start by peeling the onions and removing the outer layer.
  2. Next, cut the onions into thin slices or dice them, depending on your preference.
  3. Place the sliced or diced onions in a bowl and separate the layers.

Step 2: Season the Onions

Before cooking the onions in the air fryer, you’ll want to season them to enhance their flavor. Here are a few seasoning options:

  • Sprinkle salt, black pepper, and garlic powder over the onions for a simple and classic seasoning.
  • Add a teaspoon of olive oil and toss the onions to coat them evenly. This will help them crisp up in the air fryer.
  • For a touch of sweetness, drizzle a small amount of balsamic vinegar or honey over the onions.

Step 3: Preheat the Air Fryer

Preheating the air fryer is an essential step to ensure even cooking. Set the air fryer to the recommended temperature for cooking onions, usually around 380°F (193°C), and let it preheat for a few minutes.

Step 4: Cook the Onions in Batches

Depending on the size of your air fryer, you may need to cook the onions in batches to avoid overcrowding. Overcrowding can prevent the onions from crisping up properly. Spread out a single layer of the seasoned onions in the air fryer basket or tray.

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Step 5: Air Fry the Onions

Place the basket or tray in the air fryer and set the timer for approximately 10-15 minutes, depending on how crispy you want the onions. It’s a good idea to check on them occasionally and give them a shake or stir halfway through cooking to ensure even browning.

Step 6: Serve and Enjoy

Once the onions are crispy and golden brown, remove them from the air fryer and transfer them to a serving dish. Cooked onions from the air fryer are perfect for adding to salads, burgers, sandwiches, or using as a topping for soups and stews.

Now that you know how to cook onions in an air fryer, you can easily enjoy their delicious flavor and crispy texture whenever you want. Give it a try and elevate your dishes with perfectly cooked onions!


How do you cook onions in an air fryer?

You can cook onions in an air fryer by slicing them into thin rings or dicing them into small pieces. Preheat the air fryer to 400°F (200°C) and spread the onions in a single layer in the air fryer basket. Cook for 10-15 minutes, shaking the basket halfway through, until the onions are golden brown and crispy.

What temperature should I set the air fryer to cook onions?

You should set the air fryer to 400°F (200°C) to cook onions. This high temperature will help to caramelize the onions and make them crispy.

Can I cook onions in an air fryer without oil?

Yes, you can cook onions in an air fryer without oil. Onions have a natural moisture content that helps them cook and caramelize without the need for additional oil. However, if you prefer a slightly crispier texture, you can lightly spray the onions with cooking spray before air frying.

How long does it take to cook onions in an air fryer?

It takes around 10-15 minutes to cook onions in an air fryer. The exact cooking time may vary depending on the size and thickness of the onions, as well as the model of the air fryer. It’s always a good idea to check on the onions and shake the basket halfway through cooking to ensure even browning.

Elizabeth Green
Elizabeth Green

Elizabeth Green is a seasoned home chef and culinary expert who has a passion for all things kitchen-related. With her extensive knowledge of the latest kitchen products and appliances, Elizabeth provides insightful reviews and recommendations to help consumers make informed purchasing decisions. Whether you're looking for a new refrigerator, blender, or cookware set, Elizabeth is your guide to finding the best kitchen products available in the UK.

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