If your turkey is frozen, check the notes below for instructions to thaw.
Combine all the salt, spices, or herbs in a bowl. Set aside.
Remove the keel bone from the turkey breast. Then slice off anywhere the breasts are still attached to the bones. Save bones for stock making.
Place the turkey breasts into a pan. Spread the dry brine evenly over the top and bottom of each turkey breast.
Set the pan with the turkey into the fridge for 48 hours. You don't need to cover it.
Remove the turkey from the fridge 30 minutes before cooking.
Place the turkey breasts into your air fryer. Spray with oil on each breast on each side. This will help with browning and keeping the turkey from drying out.
Insert a probe thermometer into the deepest part of the thickest breast. Set your alarm to go off at 165 degrees.
You don't need to flip the turkey while it cooks.
Shut the basket into the air fryer. Cook at 400 degrees for 5 minutes. Then reduce to 360 degrees and cook until the turkey reaches an internal temperature of 165 degrees. This could take anywhere between 25-40 more minutes.
Remove the turkey from the air frying and allow to rest on a carving board for 5 to 10 minutes.
Slice the turkey on an angle and serve.