Preheat the air fryer to 375°F to 400°F
Pat the chicken breasts dry
Pound thicker parts to even thickness
Brush or spray with oil
Season with salt, pepper, and desired spices
Place chicken breasts in a single layer in the air fryer basket
Cook for 10 to 12 minutes, flipping halfway through
Check internal temperature with a meat thermometer
Remove when the thickest part reaches 165°F
Rest for 5 minutes before slicing or serving