Preheat oven to 400.
Line baking sheet with foil and set a cooling rack on top of it.
Generously grease cooling rack with cooking spray and set aside.
Lightly pound the chicken breasts to an even thickness of about 1/2 to 3/4 of an inch.
In a mixing bowl or plate, combine flours, basil, parmesan cheese, garlic, salt and pepper; mix until thoroughly incorporated.
Pour milk in a separate dish.
Dip each chicken breast in the milk, then coat it with the flour mixture.
Transfer chicken to previously prepared cooling rack.
Generously grease chicken breasts with cooking spray.
Bake for 25 minutes, or until chicken is done.
Remove from oven; evenly divide marinara sauce over each chicken breast, top with fresh rounds of mozzarella cheese, and bake for an additional 4 to 5 minutes, or until cheese is melted.
Garnish with chopped fresh basil and serve.