Preheat the air fryer to 375°F (190°C).
Prepare the chicken by pounding it to an even thickness.
Season the chicken breasts with salt, pepper, and Italian seasoning.
Coat each chicken breast in olive oil, then dredge in bread crumbs mixed with Parmesan cheese.
Place the coated chicken breasts in the air fryer basket.
Air fry the chicken for 10-12 minutes, flipping halfway.
Top the cooked chicken with marinara sauce and mozzarella cheese.
Return the chicken to the air fryer and cook for an additional 3-5 minutes.
Remove from the air fryer and let it rest for a few minutes before serving.