Preheat air fryer to 400 degrees and grease with cooking spray
Stir together nutritional yeast, flour and seasonings on a small plate
In a small shallow bowl, pour out the liquid egg white
Dip chicken into the egg white, being sure to coat all sides
Press chicken onto the flour mixture, being sure to coat all of the sides
Air fry for 2 minutes, then spray the chicken with cooking spray. Air fry for 4 more minutes. Flip chicken over and spray again. Cook for another 4-6 minutes, until fully cooked
(Or bake in the oven at 450 degrees for 15 minutes, flipping halfway)