Slice chicken breasts in half horizontally to create 4 thin chicken cutlets.
Combine breadcrumbs and Parmesan cheese in low-wide bowl. Brush chicken with melted butter and coat evenly with bread crumb mixture. Place coated chicken onto Air Fry Kit and spray tops with water for browned bread crumbs.
Place Air Fry Kit into machine. Press “Air Fry” button and rotate knob to navigate to 425° and press to set temperature. Rotate knob to navigate to 16 minutes and press knob to start. After 16 minutes, top chicken with even layer
of marinara sauce and sprinkle with mozzarella. Return Air Fry Kit to machine and Air Fry at 425° for additional 3 minutes.