1
Cook the pasta shells. Drain, rinse, and set aside. Meanwhile, sauté in olive oil, followed by the garlic.
2
Combine the ricotta, egg, spinach mixture, some mozzarella, Parmesan, Italian seasoning, red pepper flakes, salt, and pepper.
3
Spread some marinara sauce on the bottom of the baking dish. Fill the pasta shells with the cheese and spinach mixture, then place them on the baking dish.
4
Pour the remaining marinara sauce and sprinkle with the remaining mozzarella. Bake and garnish before serving.