There are nights when the best dinner is the one that asks almost nothing of you.
This dump-and-bake meatball casserole is just that kind of meal:
saucy rotini, tender meatballs, and plenty of melted cheese, all baked together in one dish.
There’s no pot of boiling water to deal with and barely any prep,
which makes it especially nice when dinner needs to happen without much fuss.
Why You’ll Love This Recipe
I love a recipe that lets the oven do most of the work, and this casserole really delivers. Everything starts in the same baking dish, from the marinara sauce and seasonings to the pasta and meatballs. Once it’s covered and in the oven, the pasta cooks right in the sauce, soaking up all those savory flavors along the way.
Then comes the best part: a generous layer of mozzarella or Italian blend cheese that melts into a golden, bubbly topping. It’s cozy, filling, and wonderfully simple—the kind of dinner you can turn to when you want something homemade but don’t want a complicated project in the kitchen.
For Dump-and-Bake Meatball Casserole
- Marinara Sauce – this forms the base of the casserole and gives the pasta and meatballs plenty of rich tomato flavor. Since there are only a few ingredients, use a marinara you really enjoy.
- Water – the pasta cooks directly in the baking dish, so the water provides the liquid needed for the rotini to become tender as it bakes.
- Italian Seasoning – adds a blend of classic Italian herbs and brings more flavor to the marinara.
- Kosher Salt – seasons the sauce and helps bring all of the flavors together.
- Garlic Powder – adds savory garlic flavor without needing to chop fresh garlic.
- Onion Powder – gives the sauce another layer of savory flavor and complements the Italian seasoning.
- Rotini Pasta – the pasta cooks right in the sauce, making this a true dump-and-bake meal. Rotini works especially well because its twists hold onto the sauce.
- Fully-Cooked Miniature Italian-Style Meatballs – these make the casserole hearty and filling. Cocktail-size meatballs are especially nice because they spread evenly throughout the pasta and are easy to eat.
- Mozzarella Cheese or Italian Blend Cheese – this goes over the casserole near the end of baking, creating a melted, bubbly, cheesy topping.
- Parmesan Cheese and Fresh Herbs – optional garnishes that add a final savory touch and a little freshness. Chopped basil or parsley works beautifully here.
Step-by-Step Instructions
Start with the Sauce
Preheat oven to 425°F. Spray a 9 x 13-inch baking dish with nonstick cooking spray.
In the prepared dish, whisk together the marinara sauce, water, Italian seasoning, kosher salt, garlic powder, and onion powder.
Add the Pasta and Meatballs
Add the uncooked pasta and the thawed meatballs to the dish. Stir to combine, spreading everything evenly in the sauce. Use a spoon to gently press the noodles down so they’re submerged in the liquid as much as possible.
At this point, the mixture will look much more liquidy than you might expect. That’s exactly what you want. As the casserole bakes, the pasta absorbs the liquid and the sauce becomes rich and thick.
Cover and Bake
Cover the dish tightly with aluminum foil. Bake for 35 minutes.
The foil is important here because the trapped steam helps cook the pasta. After the first bake, remove the foil and stir gently. Check the pasta to make sure it is al dente (firm but almost done). If the pasta is still too hard, cover the dish and return to the oven for 5-10 more minutes, then check again.
Finish with Cheese
Sprinkle mozzarella cheese evenly over the top. Bake uncovered for 5-10 more minutes, or until the cheese is melted and the pasta is tender.
Garnish and Serve
Garnish with Parmesan cheese and fresh herbs if desired.
Expert Tips
The little details make a difference with a recipe this simple. Start with fully-cooked meatballs that have been thawed, since raw meatballs can release excess grease and may not cook evenly alongside the pasta.
I also prefer cocktail-size meatballs here. Their smaller size makes them easy to scoop up with the pasta and helps them spread throughout the casserole rather than collecting in one area.
For the pasta, rotini is a great choice, but penne, elbows, or bowtie pasta can replace it. Choose a shape with a similar cook time (7-8 minutes on the package).
And don’t skip the tightly sealed foil. The steam inside the dish is what helps the noodles cook. Your baking dish can also affect the timing, so check the pasta before adding the cheese. Glass or ceramic dishes may take longer than metal pans.
Recipe Variations
This is an easy casserole to make your own. Turkey, beef, chicken, pork, or Italian-style meatballs can all be used, so feel free to reach for the variety your family likes best.
For a little heat, try a pinch of red pepper flakes. For extra depth, replace 1 cup of the water with red wine, or substitute low-sodium beef broth for all of the water.
You can also add sliced mushrooms, diced bell peppers, or baby spinach before baking. Fresh vegetables will release a bit of moisture as they cook, so keep an eye on the timing.
Need a smaller batch? Cut all ingredients in half and bake in an 8-inch square pan. Check pasta after 30 minutes.
Storage & Reheating
This casserole is a good make-ahead dinner, too. Assemble the casserole up to a day ahead and refrigerate. Since the pasta will begin absorbing liquid while it sits, you may need to slightly decrease the baking time.
Store leftovers in an airtight container in the refrigerator for 3-4 days. When you’re ready for another serving, reheat individual portions in the microwave for 1-2 minutes.
Freezing is not recommended, since the pasta texture does not hold up as well after thawing and reheating.
Serving Suggestions
A big scoop of this casserole makes a satisfying dinner on its own, but I like adding something fresh or crisp alongside it.
Serve it with garlic bread, homemade breadsticks, or focaccia bread for something perfect for soaking up the extra sauce.
For a lighter side, try sautéed zucchini, Southern Caesar Salad, a green salad with red wine vinegar dressing, or roasted broccoli.
And when the casserole comes out of the oven, a little Parmesan cheese and fresh chopped basil or parsley make an easy finishing touch.
Dump-and-Bake Meatball Casserole Recipe
Preheat oven to 425°F. Spray a 9 x 13-inch baking dish with nonstick cooking spray.
In the prepared dish, whisk together the marinara sauce, water, Italian seasoning, kosher salt, garlic powder, and onion powder.
Add the uncooked pasta and the thawed meatballs to the dish. Stir to combine, spreading everything evenly in the sauce. Use a spoon to gently press the noodles down so they’re submerged in the liquid as much as possible.
Cover the dish tightly with aluminum foil. Bake for 35 minutes.
Remove the foil and stir gently. Check the pasta to make sure it is al dente (firm but almost done). If the pasta is still too hard, cover the dish and return to the oven for 5-10 more minutes, then check again.
Sprinkle mozzarella cheese evenly over the top. Bake uncovered for 5-10 more minutes, or until the cheese is melted and the pasta is tender.
Garnish with Parmesan cheese and fresh herbs if desired.
Recipe FAQs
1. Can I use a different type of pasta?
Yes, you can. Rotini works especially well because the twists catch the sauce, but penne, elbows, or bowtie pasta are good options too. Just choose a shape with a similar cooking time, around 7-8 minutes on the package.
2. Do I need to boil the pasta first?
No, that’s what makes this casserole so easy. The uncooked pasta goes straight into the baking dish with the sauce and meatballs. As it bakes, the pasta absorbs the liquid and cooks right in the sauce, so there’s no extra pot to wash.
3. Why is my pasta still hard after baking?
Make sure the foil is sealed tightly over the baking dish. The steam trapped inside is important for cooking the pasta. It also helps to press the noodles down into the sauce before covering the dish. If the pasta is still too firm after the first 35 minutes, cover it again and bake for another 5-10 minutes.
4. Can I use raw meatballs instead of fully-cooked meatballs?
I recommend using fully-cooked meatballs that have been thawed first. Raw meatballs can release more grease into the casserole and may not cook evenly by the time the pasta is ready. Cocktail-size meatballs are especially convenient because they spread nicely throughout the dish.
5. Can I add vegetables to the casserole?
Yes, you can easily add vegetables to this recipe. Sliced mushrooms, diced bell peppers, or baby spinach are all good choices. Keep in mind that fresh vegetables release moisture as they cook, so the casserole may need a little adjustment in cooking time.
Dump-and-Bake Meatball Casserole
Ingredients
- 1 jar (31-32 ounce) jar marinara sauce
- 3 cups water
- 1 tbsp Italian seasoning
- 1 ½ tsp kosher salt
- ½ tsp garlic powder
- ¼ tsp onion powder
- 1 package (16 ounce) uncooked rotini pasta
- 14 ounces frozen fully-cooked miniature (cocktail-size) Italian-style meatballs, thawed
- 2 cups shredded mozzarella cheese or Italian blend cheeseOptional garnish: Parmesan cheese; fresh chopped herbs such as basil or parsley
Instructions
- Preheat oven to 425°F. Spray a 9 x 13-inch baking dish with nonstick cooking spray.
- In the prepared dish, whisk together the marinara sauce, water, Italian seasoning, kosher salt, garlic powder, and onion powder.
- Add the uncooked pasta and the thawed meatballs to the dish. Stir to combine, spreading everything evenly in the sauce. Use a spoon to gently press the noodles down so they're submerged in the liquid as much as possible.
- Cover the dish tightly with aluminum foil. Bake for 35 minutes.
- Remove the foil and stir gently. Check the pasta to make sure it is al dente (firm but almost done). If the pasta is still too hard, cover the dish and return to the oven for 5-10 more minutes, then check again.
- Sprinkle mozzarella cheese evenly over the top. Bake uncovered for 5-10 more minutes, or until the cheese is melted and the pasta is tender.
- Garnish with Parmesan cheese and fresh herbs if desired.
.
Recipe Notes
Thaw the meatballs first. Use fully-cooked frozen meatballs, thawed in the refrigerator before assembling. Raw meatballs are not recommended for this recipe. Cocktail-size meatballs work best. Smaller meatballs are easier to eat and distribute more evenly. Regular-size meatballs will work, but the smaller ones are ideal. Any meatball variety works. Turkey, beef, chicken, pork, or Italian-style meatballs are all great here. Pick your favorite! Pasta swaps: Penne, elbows, or bowtie pasta can replace the rotini. Choose a shape with a similar cook time (7-8 minutes on the package). Cover tightly with foil. The steam inside the dish is what cooks the pasta. If the foil isn’t sealed well, the liquid will evaporate and the noodles won’t cook through. Pan type affects baking time. Glass or ceramic dishes take longer than metal pans. Always check the pasta for doneness before adding the cheese. For extra flavor: Try a pinch of red pepper flakes for heat, replace 1 cup of the water with red wine, or substitute low-sodium beef broth for all of the water. Half batch: Cut all ingredients in half and bake in an 8-inch square pan. Check pasta after 30 minutes. Make ahead: Assemble the casserole up to a day ahead and refrigerate. You may need to slightly decrease baking time since the pasta will start absorbing liquid. Storage: Leftovers keep in an airtight container in the refrigerator for 3-4 days. Reheat individual portions in the microwave for 1-2 minutes. Freezing is not recommended.Nutrition
Per serving: Calories: 442kcal | Carbohydrates: 50g | Protein: 24g | Fat: 16g | Saturated Fat: 7g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Cholesterol: 54mg | Sodium: 1184mg | Potassium: 640mg | Fiber: 4g | Sugar: 6g | Vitamin A: 641IU | Vitamin C: 8mg | Calcium: 269mg | Iron: 3mgYou May Also Love
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