In the Midwest, this is known as Johnny Marzetti when it is made with meat sauce and topped with 1 cup shredded Cheddar or mozzarella (4 ounces).
Preheat the oven to 375°F. Butter an 8- to 9-inch square baking dish. Heat in a saucepan:
Toss the sauce with:
Season to taste with:
Pour the mixture into the prepared baking dish. Sprinkle with:
Dot with:
Bake until the top is browned, about 30 minutes.