Season the chicken breasts with 1 tablespoon olive oil, 1 tablespoon garlic herb seasoning, 1 teaspoon Italian seasoning, and 1 teaspoon paprika.
Spray a baking sheet with olive oil spray and place the seasoned chicken on it.
Bake the chicken at 375°F for 10 minutes, then flip and bake for another 5 minutes.
Pour ½ jar of garlic marinara sauce into the baking dish or sheet pan.
Place the baked chicken on top of the marinara sauce.
Top each chicken breast with a thick slice of mozzarella cheese and pepperoni slices.
Bake the chicken at 375°F for 10 minutes or until the cheese is bubbly.
Top the baked chicken with grated parmesan cheese and parsley.
