Making the Dump and Bake Meatball Casserole is a straightforward process. Just follow these easy steps:

1. Preheat Oven: Preheat your oven to 375°F (190°C).
2. Combine Ingredients: In a large casserole dish, mix the frozen meatballs, marinara sauce, cooked pasta, and Italian seasoning. Stir until everything is well coated.
3. Top with Cheese: Sprinkle the shredded mozzarella and grated Parmesan cheese evenly over the top of the mixture.
4. Bake: Place the casserole in the preheated oven and bake for 30-35 minutes, or until the cheese is melted and bubbly, and the meatballs are heated through.
5. Garnish: Remove the casserole from the oven and let it cool for a few minutes. Garnish with fresh basil if desired.
6. Serve and Enjoy: Use a large spoon to serve generous portions of this delicious casserole.

With these simple steps, you can create an incredible meal that will warm hearts around your table.