Step 1

Slice onions thin or whichever way you like to slice onions.

Step 2

Preheat air fryer to 375F/190C for 3 minutes

Step 3

In a large bowl add sliced onions, oil, seasoning, salt and pepper, if desired.

Step 4

Mix them well to ensure an even coating with oil and seasoning.

Step 5

Pour onions into your air fryer basket/tray. It is better to cook them directly on the tray/basket, however, you can line the tray with parchment paper or air fryer parchment paper.

Step 6

Spread the onions in the basket evenly in a single layer so they don't overlap

Step 7

Airfry mode at 375F/190C for 10 minutes, flipping them halfway or until the desired caramelized look.