Start CookingKeeps your screen from going dark.
Make the fillingIn a bowl, mix together: Ricotta, mascarpone, half of the Parmesan, half of the mozzarella, parsley, salt and black pepper.
Layer the dishGrease a 9×13-inch baking dish.
Spread ½ of the marinara sauce on the bottom.
Arrange filled shells on top.
Cover with remaining marinara.
Sprinkle with remaining mozzarella and Parmesan.