Step 1

Start by spreading out whole or walnut halves on your air fryer tray or in your air fryer basket.

Step 2

Spray the walnuts generously with olive oil.

Step 3

Set the temperature to 320 degrees F (air fryer setting) for 5 minutes.

Step 4

Use as desired, but keep the uneaten ones stored in an air-tight container for two to four weeks.