Dump-and-Bake Meatball Casserole has been my secret weapon on those nights when I’m running low on energy but still want to serve my family a hot, homemade meal. The name says it all.
Back in my grandmother’s farmhouse kitchen, she taught me that good cooking doesn’t have to be complicated. Some of the best meals she made were simple, one-dish wonders that brought everyone to the table with smiles. This meatball casserole reminds me of those no-fuss dinners where everything goes into one pan and the oven does the rest. The meatballs get tender, the pasta cooks right in the sauce, and the cheese on top turns golden and bubbly. It’s the kind of meal that fills your home with the aroma of Italian comfort food. Time to get cooking.
5 Reasons This Meatball Casserole Works Every Time
I’ve been making dump-and-bake recipes for my family for years, and this meatball casserole has become a weekly favorite. The genius of this dish is that the uncooked pasta absorbs all the flavors from the sauce while everything bakes together.
- Takes just minutes to prep, literally dump everything in and bake
- The combination of meatballs, marinara sauce, and melted cheese creates irresistible flavors
- Perfect for meal prep because you can make a big batch and have leftovers for days
- No boiling pasta separately means one less pot to wash
- Easily customizable with your favorite vegetables or seasonings
- Budget-friendly ingredients that feed a crowd

What Goes Into This Casserole
Frozen meatballs make this recipe incredibly convenient and cook perfectly in the sauce. I always choose Italian-style meatballs for the best flavor.
Pasta sauce becomes the cooking liquid for the pasta and adds rich tomato flavor throughout the dish. In my kitchen, I prefer using a high-quality marinara for the best results.
Water thins the sauce just enough so the pasta can cook through without drying out the casserole.
Uncooked pasta cooks right in the dish, absorbing all those delicious flavors. Penne or rigatoni work best because their shape holds up well during baking.
Shredded mozzarella cheese melts over the top to create that golden, bubbly finish everyone loves.
Grated Parmesan cheese adds a salty, nutty flavor that complements the mozzarella perfectly.
Fresh herbs like basil or parsley add a bright, fresh note when sprinkled on top before serving.
From Start to Finish
Step 1. Betty always starts by preheating the oven to 375°F. This ensures even cooking from the moment the casserole goes in.
Step 2. In your 9×13 inch casserole dish, combine the frozen meatballs, pasta sauce, water, and uncooked pasta. I’ve found that stirring everything together well ensures the pasta cooks evenly.
Step 3. Cover the dish tightly with aluminum foil. The key I discovered is making sure the foil is sealed well so the steam stays trapped inside and cooks the pasta.
Step 4. Bake for about 40 minutes. Through trial and error, I learned to check the pasta at the 35-minute mark to make sure it’s not overcooking.
Step 5. Remove the foil and sprinkle the mozzarella and Parmesan cheese evenly over the top of the casserole.
Step 6. Return the casserole to the oven uncovered and bake for an additional 10-15 minutes until the cheese is bubbly and golden brown.
Step 7. My family prefers when I let the casserole rest for 5 minutes before serving. This allows the sauce to thicken slightly and makes it easier to serve.
Step 8. Garnish with fresh herbs if desired and serve hot.
Keeping This Casserole Fresh
I typically store leftovers in an airtight container in the refrigerator for up to 3 days. The flavors actually deepen overnight, making leftovers even more delicious.
Betty’s freezing method works well because you can freeze the casserole either before or after baking. If freezing unbaked, assemble everything in a freezer-safe dish, cover tightly, and freeze for up to 3 months. Thaw overnight in the refrigerator before baking. If freezing baked leftovers, let them cool completely first.
For the best texture, I reheat individual portions in the microwave with a splash of water to prevent drying out. You can also reheat the entire casserole in a 350°F oven covered with foil for about 20 minutes until heated through.

Sides That Shine
This hearty casserole pairs beautifully with several complementary dishes:
- Serve with a simple garden salad or Christmas salad for freshness. The crisp greens balance the rich, cheesy casserole.
- Pair with garlic bread to soak up every bit of that delicious sauce.
- Try alongside easy vegetable soup for a complete Italian-style meal.
- Add steamed green beans or broccoli for extra vegetables on the plate.
- Serve with creamy tomato soup for a cozy combination.
- For more easy casserole ideas, check out my chicken and broccoli alfredo bake or tater tot casserole with ground beef.
FAQs
I recommend using frozen meatballs for consistent timing, but if using fresh, reduce the baking time by about 10 minutes and ensure they’re fully cooked through.
To prevent this issue, make sure you add enough water and that the foil is sealed tightly. If the pasta is still firm, add a splash more water, re-cover, and bake for another 5-10 minutes.
Many home cooks find success with adding diced bell peppers, mushrooms, or spinach. Just mix them in with the other ingredients before baking.

Dump-and-Bake Meatball Casserole
Ingredients
Equipment
Method
- Preheat oven to 375°F.
- In a 9×13 inch casserole dish, combine the frozen meatballs, pasta sauce, water, and uncooked pasta. Stir well to combine.
- Cover the dish tightly with aluminum foil and bake for about 40 minutes.
- Uncover the dish and sprinkle the mozzarella and Parmesan cheese evenly over the top.
- Return to the oven uncovered and bake for an additional 10-15 minutes until the cheese is bubbly and golden.
- Let rest for 5 minutes before serving. Garnish with fresh herbs if desired and serve hot.