Million Dollar Meatball Casserole

"This easy million dollar meatball casserole recipe tastes like a million dollars but costs less than $15 and takes less than 30 minutes to make. Use your favorite boxed pasta, mozzarella cheese, marinara or meat sauce and frozen meatballs for this easy and kid-friendly casserole recipe. It's great for busy weeknights or potlucks and can also be made and refrigerated or frozen ahead of time to have a hearty meal ready to put into the oven. "