Spray the air fryer basket with nonstick spray. Place frozen chicken in the bottom of the air fryer basket and cook at 375° for 10 minutes, flipping halfway through.
In a small bowl, combine lemon pepper seasoning and garlic powder.
Take the thawed, or mostly thawed, chicken breasts out of the air fryer. Separate the breasts then rub all over with olive oil and lemon pepper garlic seasoning.
Place seasoned chicken breasts back in the air fryer basket, turn the heat up to 400°F, and cook for 10-20 minutes depending on the thickness of the chicken breasts.
Remove to a cutting board or dinner plate and top each with a pat of butter.
Notes
STORE/FREEZEStore air fried chicken breasts in an air-tight container in the refrigerator for up to 4 days.Freeze them in a freezer-safe container or plastic freezer bag for up to 3 months. Thaw them in the fridge overnight.