Preheat the air fryer to 375°F to 400°F
Pat the chicken breast dry
Pound chicken breasts to even thickness
Brush or spray lightly with oil
Season both sides with salt, pepper, and desired spices
Place chicken breasts in a single layer in the air fryer basket
Air fry for 10 to 12 minutes, flipping halfway through
Check that the internal temperature reaches 165°F
Rest the chicken for 5 minutes before slicing
Serve immediately