1/2 pound butter, plus 4 ounces melted
1 1/2 pounds ground chuck
1 onion, chopped fine
Salt and pepper
1 (12-ounces) can tomatoes
1 (12 ounce) can tomato sauce
1 bay leaf
1/2 teaspoon cinnamon
1 pound ziti rigate or penne
3 cups grated pecorino Romano
3/4 cup flour
3 1/2 cups whole milk
5 eggs