This dump and bake meatball casserole is a no-fuss dinner that delivers big, bold flavor with almost zero effort — frozen meatballs, uncooked pasta, rich marinara sauce, and gooey melted cheese all baked together in one dish.
There are weeknight dinners, and then there are dinners that make you feel like you have your entire life together. This dump and bake meatball casserole is the second kind. You pour everything into a baking dish, cover it, slide it into the oven, and walk away. No boiling pasta. No browning meat. No standing over a hot stove. Just layer, bake, and serve.
The pasta cooks right in the sauce as everything bakes, which means it soaks up all that savory marinara flavor instead of just sitting underneath it. The meatballs come out tender and juicy, the cheese gets perfectly golden and bubbly on top, and every single forkful tastes like it took way more effort than it actually did. This is the kind of recipe your family will ask for again and again.
WHAT IS DUMP AND BAKE MEATBALL CASSEROLE?
Dump and bake recipes are exactly what they sound like — you dump everything into one dish and let the oven do the work. This meatball casserole version follows that same simple idea. You use frozen meatballs straight from the bag, dry uncooked pasta right out of the box, jarred marinara sauce, and a handful of pantry seasonings. Everything goes into a 9×13-inch baking dish, you give it a stir, cover it tightly with foil, and bake.
The magic here is that the pasta cooks in the liquid from the sauce and added water or broth as the casserole bakes. By the time the dish comes out of the oven, the noodles are tender, the meatballs are heated through and flavorful, and the sauce has thickened into something really delicious. A final layer of shredded mozzarella goes on top, the casserole goes back in uncovered, and within minutes you have bubbling, golden cheese stretching from every corner of the dish.
It is pure comfort food, ready in under an hour, with only one pan to wash.
DUMP AND BAKE MEATBALL CASSEROLE INGREDIENTS
Here is everything you will need to make this easy dinner:
- 26 ounces of marinara sauce (one standard jar)
- 2 cups of beef broth or water
- 2 cups of dry penne pasta, uncooked
- 24 ounces of frozen beef meatballs (about 24 to 26 meatballs, 1-inch size)
- 1 teaspoon of garlic powder
- 1 teaspoon of Italian seasoning
- ½ teaspoon of onion powder
- ½ teaspoon of salt
- ¼ teaspoon of black pepper
- ½ teaspoon of red pepper flakes (optional, for a little heat)
- 2 cups of shredded mozzarella cheese, divided
- ¼ cup of freshly grated Parmesan cheese
- Fresh parsley or fresh basil, for garnish (optional)
WHY THIS RECIPE WORKS SO WELL
The key to a successful dump and bake casserole is having the right ratio of liquid to dry pasta. Too much liquid and the casserole turns out soupy. Not enough and the pasta stays crunchy and hard in the middle. This recipe hits the right balance every time.
Using beef broth instead of plain water adds a deeper, savory layer of flavor that makes the whole dish taste richer. The pasta absorbs everything as it cooks — the broth, the marinara, the seasonings — so every single bite is seasoned all the way through. That is something you just cannot get when you cook pasta separately and then add sauce on top.
Frozen meatballs work perfectly here. They hold their shape well during baking and release their juices right into the surrounding sauce, which makes everything taste better. No need to thaw them first, either — they go straight in frozen.
HOW TO MAKE DUMP AND BAKE MEATBALL CASSEROLE
This comes together faster than you might expect. Here is exactly how to do it:
STEP ONE: Preheat your oven to 425°F. Spray a 9×13-inch baking dish generously with nonstick cooking spray.
STEP TWO: Pour the marinara sauce and beef broth into the prepared baking dish. Add the garlic powder, Italian seasoning, onion powder, salt, black pepper, and red pepper flakes if using. Stir everything together until the seasonings are evenly mixed into the sauce.
STEP THREE: Add the dry, uncooked penne pasta to the sauce mixture and stir to coat. Make sure the pasta is submerged as much as possible in the liquid — this is what helps it cook through evenly.
STEP FOUR: Arrange the frozen meatballs in a single layer on top of the pasta mixture, pressing them down slightly so they are partially nestled into the sauce.
PRO TIP: Stir in half of the mozzarella cheese into the sauce mixture before adding the meatballs. This makes the sauce extra creamy and cheesy all the way through, not just on top.
STEP FIVE: Sprinkle half of the shredded mozzarella cheese over the top of the meatballs. Cover the baking dish very tightly with aluminum foil. This step is important — the steam trapped inside is what cooks the pasta through. Any gaps in the foil seal will let steam escape and leave you with undercooked noodles.
STEP SIX: Bake covered at 425°F for 35 to 40 minutes, until the pasta is tender and most of the liquid has been absorbed. Carefully remove the foil (watch out for steam) and stir everything gently to combine.
STEP SEVEN: Top with the remaining shredded mozzarella and the Parmesan cheese. Return the dish to the oven uncovered and bake for an additional 10 to 15 minutes, until the cheese is completely melted, bubbly, and starting to turn golden around the edges.
STEP EIGHT: Remove from the oven and let the casserole rest for 5 minutes before serving. Garnish with fresh parsley or fresh basil if desired, and serve hot.
OUR RECIPE DEVELOPER SAYS
Covering the dish tightly is the single most important step in this recipe. If steam escapes, the pasta will not cook all the way through. Press the foil firmly around all four edges of the baking dish before putting it in the oven. If your foil sheet is on the smaller side, use two overlapping pieces.
DUMP AND BAKE MEATBALL CASSEROLE SUBSTITUTIONS AND ADDITIONS
PASTA: Penne is ideal because its tube shape holds sauce inside and cooks evenly. Rigatoni and ziti are excellent alternatives. You can also use rotini or medium shells. Avoid long pasta like spaghetti or linguine — they do not cook evenly in a casserole bake.
MEATBALLS: Any brand of frozen beef meatballs works well here. You can also use frozen turkey meatballs for a lighter version, or Italian-seasoned chicken meatballs if that is what you have on hand. Homemade meatballs can be used too — just make sure they are fully cooked before adding them to the casserole.
SAUCE: Marinara is the classic choice, but this recipe is very forgiving. Tomato basil sauce, arrabbiata sauce for extra heat, or even a vodka sauce all work beautifully. You can use any jarred pasta sauce you love.
CHEESE: Mozzarella is the go-to for its stretch and meltability. Provolone is a great addition for a sharper flavor. A four-cheese Italian blend also works wonderfully. If you want extra richness, stir in two tablespoons of cream cheese into the sauce mixture before baking.
VEGETABLES: This is a great recipe for sneaking in extra vegetables. Diced zucchini, frozen spinach that has been thawed and squeezed dry, sliced mushrooms, or diced bell peppers can all be stirred into the sauce before baking. They add flavor and bulk without any extra cooking steps.
HEAT: If your family loves spice, swap the marinara for arrabbiata sauce and add a full teaspoon of red pepper flakes. A few dashes of hot sauce stirred into the sauce mixture also adds a nice depth of heat without being overwhelming.
TIPS FOR THE BEST MEATBALL CASSEROLE
A few small things make a big difference here.
Use meatballs that are roughly the same size — about one inch each. Larger meatballs need more time to heat through, and oversized ones can still be cold in the center when the pasta is done. Stick with standard-size frozen meatballs for the most reliable results.
Do not skip resting the casserole after it comes out of the oven. Five minutes of rest time lets the sauce thicken up slightly as it cools, and it makes the casserole much easier to serve without everything sliding around. The pasta also finishes absorbing any remaining liquid during those few minutes.
If the pasta seems slightly underdone when you remove the foil in step six, cover the dish back up and give it another five minutes before adding the cheese topping. Every oven runs slightly differently, so check the pasta by taste before moving on.
HOW TO SERVE DUMP AND BAKE MEATBALL CASSEROLE
This casserole is a complete meal all on its own. Serve it with a side of warm, crusty garlic bread to soak up the extra sauce — that combination is hard to beat on a cold night. A simple green salad on the side adds freshness and balances out the richness of the cheesy pasta.
Dinner rolls work great alongside it too, especially for kids who love to tear off pieces of bread and dip them into the sauce. Steamed broccoli or roasted asparagus are easy sides that round out the meal nicely without much extra effort.
For a crowd or a potluck, this casserole is ideal. It travels well, reheats easily, and there is plenty to go around.
HOW TO STORE DUMP AND BAKE MEATBALL CASSEROLE
IN THE FRIDGE: Let the casserole cool completely, then transfer leftovers to an airtight container. Stored properly, it will keep in the refrigerator for up to four days. The pasta continues to absorb the sauce as it sits, so leftovers actually taste even more flavorful the next day.
To reheat, add a small splash of water or broth to loosen the sauce, cover with a damp paper towel, and microwave in two-minute intervals, stirring in between, until heated through. You can also reheat individual portions in a skillet over medium-low heat with a splash of marinara stirred in to keep everything saucy.
IN THE FREEZER: This meatball casserole freezes well. Let it cool completely, then portion it into freezer-safe containers or bags, removing as much air as possible. Label with the date. It will keep in the freezer for up to three months. To reheat from frozen, thaw overnight in the refrigerator, then warm in the oven at 350°F covered with foil until heated through, about 20 to 25 minutes.
MAKE AHEAD: You can assemble the entire casserole up to 24 hours in advance. Prepare everything through step four, cover tightly, and refrigerate overnight. When you are ready to bake, pull it out of the fridge while the oven preheats and bake as directed, adding about five extra minutes to the covered baking time since it is starting cold.
DUMP AND BAKE MEATBALL CASSEROLE FAQS
Does the pasta really cook without boiling it first? Yes, it does. The key is having enough liquid in the dish — the combination of marinara sauce and beef broth provides everything the pasta needs to cook through. Covering the dish tightly with foil traps the steam, and that steam is what finishes cooking the noodles.
Can I use fresh meatballs instead of frozen? You can use fully cooked homemade or store-made fresh meatballs in this recipe. If using raw homemade meatballs, make sure they are cooked through before the casserole finishes — frozen meatballs are already pre-cooked, which is why they are so reliable for this type of bake.
My pasta turned out crunchy. What went wrong? This almost always comes down to the foil seal. If steam escaped during baking, the pasta did not have enough moisture to cook all the way through. Make sure the foil is pressed down firmly on all sides before the dish goes in the oven. Also double-check that your oven temperature is accurate — an oven running too low can leave pasta undercooked.
Can this be made gluten-free? Yes. Swap the regular pasta for your favorite gluten-free penne or ziti, and make sure your marinara sauce and meatballs are gluten-free as well. The cooking time stays roughly the same, though gluten-free pasta can sometimes cook a bit faster, so check it a few minutes early.
Can I double this recipe? You can, but you will need two separate 9×13-inch baking dishes rather than trying to double everything into one larger pan. Crowding the dish throws off the liquid-to-pasta ratio and the steam circulation. Two pans baked side by side at the same time works perfectly.
What if I want more sauce in the finished casserole? Stir in an extra half cup of marinara or beef broth before baking. Some pasta absorbs more liquid depending on the brand and shape, so this is a totally personal preference thing. You can also warm up a small amount of extra marinara on the stovetop and spoon it over individual servings at the table.

Dump and Bake Meatball Casserole
Ingredients
- 26 ounces marinara sauce
- 2 cups beef broth
- 2 cups dry penne pasta uncooked
- 24 ounces frozen beef meatballs about 24 to 26 meatballs
- 1 teaspoon garlic powder
- 1 teaspoon Italian seasoning
- ½ teaspoon onion powder
- ½ teaspoon salt
- ¼ teaspoon black pepper
- ½ teaspoon red pepper flakes optional
- 2 cups shredded mozzarella cheese divided
- ¼ cup grated Parmesan cheese
- Fresh parsley or basil for garnish optional
Instructions
- Preheat oven to 425°F. Spray a 9x13-inch baking dish with nonstick cooking spray.
- Pour marinara sauce and beef broth into the prepared dish. Add garlic powder, Italian seasoning, onion powder, salt, pepper, and red pepper flakes. Stir to combine.
- Add the dry uncooked penne pasta to the sauce mixture and stir to coat, making sure pasta is mostly submerged.
- Arrange frozen meatballs in a single layer over the pasta mixture, pressing them slightly into the sauce.
- Sprinkle half of the mozzarella over the meatballs. Cover the dish very tightly with aluminum foil.
- Bake covered for 35 to 40 minutes, until pasta is tender. Carefully remove the foil and stir gently.
- Top with remaining mozzarella and all of the Parmesan cheese. Return to oven uncovered and bake 10 to 15 more minutes until cheese is melted and golden.
- Let rest 5 minutes before serving. Garnish with fresh parsley or basil if desired.
Notes
- Sealing the foil tightly is essential. Any gaps let steam escape and will leave the pasta undercooked.
- Beef broth adds more flavor than plain water — do not skip it.
- Store leftovers in the fridge for up to 4 days. The casserole reheats beautifully with a splash of added broth.
- Freeze leftovers for up to 3 months in airtight containers.





























