Ingredients
1 pound rigatoni
Coarse salt
4 cups prepared marinara sauce
1/2 pound fresh ricotta cheese
2 cups (about 1 pound) shredded mozzarella
1 1/2 cups freshly grated Parmigiano-Reggiano chese
Preparation
Bring a large pot of water to a boil. Add salt and return to a boil. Add rigatoni and cook until al dente, according to package directions. Drain; set aside.
Preheat broiler. In a large saucepan, bring marinara sauce to a boil over medium-high heat. Pour half the heated sauce into a large bowl; set aside. Add cooked rigatoni and ricotta to saucepan with remaining sauce; stir to combine. Bring to a simmer over low heat.
Pour pasta mixture into a baking dish and top with reserved sauce. Sprinkle with mozzarella and Parmigiano-Reggiano. Transfer baking dish to broiler and broil until cheese has melted, 6 to 8 minutes. Serve immediately.