Preheat the broiler/grill to a medium heat setting.
Combine the herbs in a shallow bowl with salt and pepper and oil. Coat both sides of each chicken fillet with the oil. Heat a large heavy oven-proof skillet over high heat. Add the fillets and pan fry on each side until golden (about 5 minutes on each side).
. Spoon the marinara sauce over and around the chicken. Add the Italian seasonings into the sauce and stir them through. Sprinkle 2 tablespoons of the parmesan cheese over each chicken fillet;add the slices of mozzarella cheese to the chicken and transfer to the oven and broil until the cheese has melted and the chicken is cooked through (about 3 to 5 minutes).
Garnish with parsley flakes and serve over spaghetti noodles, mix the remaining sauce with the spaghetti noodles as always cook the noodles according to the package.