Dump and Bake Meatball Casserole
This Dump and Bake Meatball Casserole is an easy, hearty, and cheesy dinner that comes together with minimal prep and just one baking dish. Uncooked penne pasta, marinara sauce, frozen meatballs, Italian seasoning, and plenty of mozzarella are baked together until the pasta is tender and the cheese is bubbling and golden.
There’s no need to boil the pasta separately or brown the meatballs first, making this recipe especially convenient for busy weeknights. Simply add the ingredients to the casserole dish, cover, bake, add the cheese, and finish until perfectly bubbly.
It’s a comforting one-dish pasta dinner that’s perfect for families, meal prep, potlucks, or anyone who wants a satisfying homemade meal without a lot of cleanup.
Why Everyone Loves Dump and Bake Meatball Casserole
- Minimal preparation: Everything goes directly into one baking dish, making this recipe incredibly easy.
- No pre-cooking pasta: The uncooked penne cooks right in the marinara sauce and added liquid.
- One-dish meal: Less preparation means fewer pots and pans to wash afterward.
- Cheesy and comforting: Mozzarella and Parmesan create a delicious golden, bubbly topping.
- Family-friendly: Pasta, meatballs, tomato sauce, and cheese make a combination everyone can enjoy.
- Perfect for busy nights: With frozen meatballs and jarred marinara, dinner comes together with very little effort.
Ingredients Overview
- Uncooked penne pasta – Cooks directly in the casserole, absorbing the flavorful marinara sauce as it bakes.
- Marinara sauce – Provides the tomato-based foundation and rich Italian-inspired flavor.
- Water or beef broth – Supplies the liquid needed to cook the pasta. Beef broth adds extra savory flavor.
- Frozen meatballs – Make the recipe quick and convenient while adding hearty protein to the casserole.
- Italian seasoning – Adds a blend of classic herbs that complement the marinara and meatballs.
- Garlic powder – Adds extra savory flavor and aromatic depth.
- Onion powder – Enhances the overall flavor without requiring fresh onions.
- Mozzarella cheese – Melts into a stretchy, creamy layer over the pasta and meatballs.
- Parmesan cheese – Adds a salty, nutty flavor and helps create a beautifully browned topping.
- Fresh parsley – Adds a fresh pop of color and flavor when serving.
Variations
- Cheesy Meatball Casserole – Add an extra cup of mozzarella for an even more indulgent, cheesy topping.
- Creamy Meatball Pasta Bake – Stir a little cream cheese or heavy cream into the sauce for a richer casserole.
- Spicy Meatball Casserole – Add crushed red pepper flakes or use spicy Italian meatballs for some heat.
- Vegetable Meatball Bake – Add chopped bell peppers, mushrooms, spinach, or zucchini for extra vegetables.
- Three-Cheese Meatball Casserole – Add ricotta or provolone alongside the mozzarella and Parmesan.
- Chicken Meatball Casserole – Use frozen chicken meatballs instead of traditional beef or pork meatballs.
How to Make Dump and Bake Meatball Casserole
1. Preheat the Oven
Preheat your oven to 425°F (220°C).
Lightly grease a 9×13-inch baking dish with cooking spray or a small amount of olive oil.
2. Combine the Ingredients
Add the uncooked penne, marinara sauce, water or beef broth, frozen meatballs, Italian seasoning, garlic powder, and onion powder directly to the prepared baking dish.
Stir everything together until well combined.
Make sure the pasta is mostly submerged in the liquid and sauce. This is important because the pasta needs enough moisture to cook properly.
3. Cover and Bake
Cover the baking dish tightly with aluminum foil.
Bake for approximately 35–40 minutes, or until the penne is tender and the meatballs are heated through.
Keep the dish covered during this stage so the steam stays inside and helps cook the pasta.
4. Add the Cheese
Carefully remove the foil.
Sprinkle the shredded mozzarella evenly over the casserole, followed by the grated Parmesan.
Try to spread the cheese all the way across the surface for an even golden topping.
5. Finish Baking
Return the uncovered casserole to the oven.
Bake for another 10–15 minutes, or until the cheese is completely melted, bubbly, and lightly golden around the edges.
For an extra-browned topping, you can briefly broil the casserole at the end, watching it carefully.
6. Rest and Serve
Remove the casserole from the oven and allow it to rest for 5–10 minutes before serving.
This gives the sauce a chance to thicken slightly and makes the casserole easier to scoop.
Garnish with fresh chopped parsley if desired and serve warm.
Pro Tips and Cooking Secrets
Keep the pasta submerged. Before covering the dish, make sure most of the uncooked penne is coated with sauce and surrounded by liquid so it cooks evenly.
Use beef broth for extra flavor. Water works perfectly, but beef broth adds a deeper savory flavor to the pasta and sauce.
Don’t skip the foil. Covering the casserole traps steam, which is essential for cooking the uncooked pasta.
Let it rest before serving. Giving the casserole several minutes to rest allows the sauce to thicken and helps the pasta absorb some of the remaining liquid.
Serving Suggestions
- Serve with a crisp green salad dressed with Italian vinaigrette for a fresh contrast.
- Pair with warm garlic bread or crusty Italian bread for soaking up the marinara sauce.
- Add roasted broccoli or green beans for an easy vegetable side.
- Garnish individual servings with fresh parsley, extra Parmesan, and a sprinkle of red pepper flakes.
How to Store Dump and Bake Meatball Casserole
Allow leftover casserole to cool before transferring it to an airtight container.
Store it in the refrigerator for up to 3–4 days.
Reheat individual portions in the microwave until hot, or cover the casserole with foil and warm it in a 350°F (175°C) oven.
If the pasta has absorbed most of the sauce after refrigeration, add a small splash of marinara sauce or water before reheating.
Can You Freeze Dump and Bake Meatball Casserole?
Yes, this casserole can be frozen after baking.
Allow it to cool completely, then portion it into freezer-safe containers or wrap the entire casserole tightly.
Freeze for up to 2–3 months for the best quality.
Thaw overnight in the refrigerator before reheating.
Make-Ahead Tips
For the best results, assemble this casserole shortly before baking because the uncooked pasta begins absorbing liquid as soon as it sits in the sauce.
If you want to prepare dinner ahead of time, you can measure all the ingredients and keep them ready so the casserole can be assembled and baked when needed.
Dump and Bake Meatball Casserole FAQs
Can I use a different type of pasta?
Yes. Other short pasta shapes such as ziti, rigatoni, or rotini can work. Cooking times and liquid absorption can vary, so check the pasta for doneness before adding the cheese.
Do I need to thaw the frozen meatballs?
No. The frozen meatballs can be added directly to the casserole. There’s no need to thaw or brown them first.
Can I use homemade meatballs?
Absolutely. Fully cooked homemade meatballs can be substituted for frozen meatballs. If using raw homemade meatballs, make sure they reach a safe internal temperature before serving.
Why is my pasta still hard?
The pasta needs enough liquid and steam to cook. Make sure the penne is well coated with sauce and the baking dish is tightly covered with foil. If necessary, add a little more liquid and continue baking until tender.
Can I use beef broth instead of water?
Yes. Beef broth is an excellent choice and gives the casserole a richer, more savory flavor.
Can I add vegetables to this casserole?
Yes. Mushrooms, spinach, bell peppers, zucchini, and chopped broccoli can all be added. Keep in mind that vegetables release moisture, so avoid adding excessive amounts.
Dump and Bake Meatball Casserole
Equipment
- 9×13-inch baking dish
- aluminum foil
Ingredients
- 1 (12 oz) box uncooked penne pasta
- 1 (24 oz) jar marinara sauce
- 3 cups water (or beef broth for more flavor)
- 1 (1 lb) bag frozen meatballs (about 24 meatballs)
- 1 teaspoon Italian seasoning
- ½ teaspoon garlic powder (optional)
- ½ teaspoon onion powder (optional)
- 1 ½ cups shredded mozzarella cheese
- ¼ cup grated Parmesan cheese
- fresh parsley, for garnish (optional)
Instructions
- Preheat oven to 425°F (220°C). Lightly grease a 9×13-inch baking dish.
- In the baking dish, stir together uncooked pasta, marinara sauce, water (or broth), frozen meatballs, Italian seasoning, garlic powder, and onion powder until everything is well mixed and pasta is submerged.
- Tightly cover the dish with aluminum foil and bake for 35–40 minutes, or until pasta is tender.
- Remove foil, sprinkle mozzarella and Parmesan evenly over the top.
- Bake uncovered for another 10–15 minutes, until cheese is melted, bubbly, and golden.
- Let casserole rest for 5–10 minutes before serving. Garnish with chopped parsley if desired.
