01 -
Bring a large pot of salted water to a boil. Add the ziti noodles and cook for very al dente, about 7 minutes. Drain and return the pasta to the pot. Set aside.
02 -
Preheat the oven to 425°F and set the oven rack in the middle position.
03 -
Heat a large sauté pan over medium-high heat. Crumble the sausage into the pan and cook, breaking apart with a wooden spoon, until lightly browned and just cooked through, 5 to 6 minutes. Remove the sausage with a slotted spoon and transfer to a plate.
04 -
Drain all but 1 tablespoon of fat from the pan. Add the garlic and cook, stirring constantly, until soft but not browned, about 1 minute. Add the crushed tomatoes, salt, sugar, and red pepper flakes; simmer, uncovered, for 10 minutes.
05 -
Add the heavy cream, ⅓ cup pecorino Romano, cooked sausage, and basil to the pan. Stir until evenly combined. Pour the mixture into the large pot with the pasta and gently stir.
06 -
Spoon half of the pasta mixture into a 9 x 13-inch baking dish. Sprinkle with 1 cup of shredded mozzarella and 1½ tablespoons of pecorino Romano. Add the remaining pasta mixture on top and sprinkle with the remaining mozzarella and pecorino Romano.
07 -
Transfer to the oven and bake, uncovered, until the cheese is melted and browned, 15 to 20 minutes. Sprinkle with additional basil before serving.
08 -
The dish can be assembled and refrigerated for up to 2 days or frozen for up to 3 months. Bake refrigerated or defrosted at 425°F, covered with foil, for 25 minutes, then uncover and bake for another 10-15 minutes.