Rinse chicken breasts under cold running water, pat them dry with paper towels.
Cut each chicken breast in half.
Place chicken pieces between a sheet of plastic wrap. Use a meat mallet to pound each piece to a ½ inch thickness.
Season each piece of chicken liberally on both sides with garlic powder, salt and pepper.
Set up a breading station.
Place flour in the first bowl.
Combine beaten eggs and hot sauce in the second bowl.
Place crushed corn flakes in the third bowl.
Dredge seasoned chicken breast in the flour, shaking off excess flour.
Dip chicken in the second bowl and coat with the egg mixture. Allow excess egg to drip off.
Finally coat chicken in the crushed corn flakes, using your hands to press the cereal onto the surface of the chicken.
Spray air fryer rack or basket with non-stick cooking spray.
Place chicken on prepared air fryer rack or basket leaving room between each piece to allow for air to circulate as it cooks.
Spray each piece of chicken with a light coat of cooking spray.
Air fry at 375 ℉ for 10 minutes.
Flip chicken pieces over and spray lightly with cooking spray.
Cook for an additional 10-15 minutes until a rich golden brown and crispy. Use a meat thermometer to make sure chicken reaches an internal temperature of 165 ℉.
Spread mayonnaise onto each toasted brioche bun.
Top with a piece of chicken, a slice of cheese, sliced tomatoes and lettuce leaves.
Serve with napkins. ENJOY!