Preheat your air fryer to 400 degrees Fahrenheit.
Slice the chicken breasts in half, butterfly style (see photos in the post for more details). If any part of the chicken is still more than half an inch thick, pound them thin by placing the chicken between plastic wrap and using a rolling pin or meat mallet. Pound to 1/2 inch thickness.
1 pound boneless skinless chicken breasts
Lightly salt and pepper the chicken breasts on both sides.
1/2 teaspoon kosher salt, dash black pepper
Add the flour to a plate. Whisk the eggs and milk in a shallow dish. Add the breadcrumbs to a shallow dish and stir in the parmesan cheese, basil, garlic powder, and oregano.
1/2 cup all purpose flour, 3 large eggs, 1 tablespoon milk, 1/2 cup bread crumbs, 1/4 cup grated parmesan cheese, 1/2 tablespoon dried basil, 1/2 tablespoon dried oregano, 1 teaspoon garlic powder
Dip the chicken breasts in the flour, then the eggs, and then the seasoned bread crumbs. Repeat with all of the chicken.
Lightly spray the chicken with cooking spray and set it in the pre-heated basket of the air fryer. Set the air fryer to 350 degrees Fahrenheit. Cook for 5 to 6 minutes or until the chicken registers 165 degrees with an instant read thermometer. You will likely need to cook the chicken in batches. Tent the first batch with foil while the second batch cooks. cooking spray
Remove the chicken, add a small amount of spaghetti sauce (about a tablespoon and a half) to the top of each piece of chicken, top with shredded mozzarella, and place back in the air fryer for about 2 minutes or until the cheese is melted.
1/3 cup spaghetti sauce, 1/2 cup shredded mozzarella