This dish symbolizes the warmth and togetherness of the Fiorello family gatherings. It reflects the Italian-American cultural influence in Eilis's life on Long Island, where family meals are a communal experience.
Preheat oven to 375°F.
Cook pasta according to package instructions; drain.
In a large bowl, combine pasta, marinara sauce, ricotta, sausage, salt, and pepper.
Pour into a baking dish and top with mozzarella and Parmesan.
Bake for 30 minutes or until cheese is bubbly and golden.