1️⃣ Preheat your oven to 425°F (220°C). Grease a 9×13 inch baking dish with cooking spray or butter. 🔥

2️⃣ In the prepared baking dish, combine the frozen meatballs, uncooked pasta, marinara sauce, water or beef broth, Italian seasoning, garlic powder, onion powder, red pepper flakes (if using), salt, and pepper. Stir everything together until well combined. 🍲

3️⃣ Cover the baking dish with aluminum foil and bake in the preheated oven for 30 minutes. ⏳

4️⃣ Remove the foil and give the casserole a stir. Sprinkle the shredded mozzarella cheese evenly over the top. 🧀

5️⃣ Return the casserole to the oven, uncovered, and bake for an additional 10-15 minutes, or until the cheese is melted and bubbly. 🔥

6️⃣ Once the casserole is done baking, remove it from the oven and let it cool for a few minutes. 🌬️

7️⃣ Garnish with chopped fresh parsley, if desired, and serve this Dump and Bake Meatball Casserole hot. 🌿

Enjoy the convenience and deliciousness of this easy casserole, perfect for any night of the week! 🍽️