One Pan Meatball Casserole Recipe Preheat oven to 425 degrees F In a 9x13 inch baking dish stir together uncooked pasta marinara sauce water milk spices and meatballs Cover tightly with aluminum foil and bake for 40 minutes Uncover stir Check the pasta for doneness We want it to be al dente firm but almost perfectly cooked If i t 's still too hard cover the dish and return to the oven for a few minutes Sprinkle mozzarella over the top and bake uncovered for 5 -10 more minutes or until cheese is melted and bubbly Allow to cool for at least 15 minutes before serving to allow the sauce to thicken up _ 16 oz package uncooked ziti pasta _ 24 ounces marinara sauce 1 cup milk 2 cups water 1 2 teaspoon garlic powder _ 1 2 teaspoon onion powder _ 1 teaspoons Dried oregano 1 teaspoon salt