Air Fryer Red Onions

Red Onions are a simple way to add flavour to any meal. You only need a few basic ingredients to make these soft and slightly charred onions. They work perfectly in burgers, salads or as a side dish for grilled meats. This method is much faster than using a traditional oven and requires very little oil.
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Photo of Air Fryer Red Onions cooked in the air fryer

Good reasons to make air fryer red onions

Making red onions is a great way to save time in the kitchen. The hot air circulates around the onion slices to cook them evenly and quickly. You get a lovely sweetness as the natural sugars caramelise during the cooking process. It is a healthy alternative to frying them in a pan with lots of butter or oil.

Follow these simple steps for air fryer red onions

Step 1
Prepare onions: Peel the red onions and cut them into thick slices or wedges. Place the pieces into a medium mixing bowl so they are easy to coat.
Step 2
Season well: Drizzle the olive oil over the onions and add the salt, pepper and dried thyme. Toss everything together until the onion slices are evenly covered in oil and spices.
Step 3
Cook onions: Place the seasoned onions into the basket in a single layer. Set the temperature to 190C and cook for about 10 minutes.
Step 4
Shake basket: Open the basket halfway through the cooking time to shake the onions. This ensures they cook evenly and prevents them from burning on one side.

Good advice for making air fryer red onions

Do not overcrowd the basket when making red onions to ensure they get crispy edges. If you have a lot of onions, it is better to cook them in two smaller batches. You can add a splash of balsamic vinegar near the end of the cooking time for extra depth. Check the onions a few minutes before the timer ends as some air fryers cook faster than others. Slice the onions into even pieces so they all finish cooking at the same time.

Storing leftover onions is easy if you place them in an airtight container in the fridge. They stay fresh for up to three days and can be reheated quickly in the.

You can find more inspiration in air fryer spinach, air fryer meatballs or air fryer breaded onion rings.

Ingredients

servings
Adjust quantity
  • 2 large red onions
  • 1 tablespoon olive oil
  • 0.5 teaspoon salt
  • 0.5 teaspoon black pepper
  • 0.5 teaspoon dried thyme

Cooking time

Kitchen tools

Nutrition information

NUTRITIONper serving
  • Energy:251 kJ / 60 kcal
  • Fat:3.5 g
  • - of which saturates:0.5 g
  • Carbohydrates:7 g
  • - of which sugars:3 g
  • Protein:0.8 g
  • Fibre:1.2 g
  • Salt:278 mg

People also ask

Air Fryer Red Onions usually takes about 10 minutes to make. The time can vary slightly with the quantity and method. Check the texture towards the end.
Follow the stated timings and temperatures. Stir or turn it only when the method calls for it.
Do not leave it over the heat for too long. Check the texture near the end and adjust the time if needed.
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4.7 / 5 - (36 ratings)