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Dump and Bake Meatball Casserole

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Prep Time: 10 minutes | Cook Time: 40 minutes | Total Time: 50 minutes
Intensity: Super Easy (Minimal Prep, Mostly Hands-Off)
Servings: 6-8
Calories: ~580 kcal per serving

Description

Imagine coming home after a long day, opening your oven, and being greeted by the mouthwatering aroma of a cheesy, hearty Italian meatball casserole—without having spent an hour slaving over a hot stove. That’s the magic of this Dump and Bake Meatball Casserole.

This isn’t just a recipe; it’s a weeknight dinner superhero. True to its name, you simply “dump” a few key ingredients into a baking dish, give them a quick stir, and let your oven do all the heavy lifting. There’s no need to pre-cook the pasta, no separate pots for sauce, and no complicated steps. Just one dish, minimal effort, and maximum flavor.

We’re combining tender, frozen meatballs with uncooked pasta shells, a rich and herby marinara sauce, and plenty of gooey, melted mozzarella cheese. As it bakes, the pasta soaks up all the delicious sauce and meatball juices, becoming perfectly al dente, while the cheese on top browns into a bubbly, golden crust. The result is a comforting, family-friendly meal that tastes like it simmered all day, but comes together in under an hour.

Perfect for busy parents, beginner cooks, or anyone who wants a delicious, satisfying meal with almost zero cleanup. Serve it with a simple side salad and some crusty garlic bread for the ultimate comfort food experience.

Why You’ll Love This Recipe

  • Effortless: The “dump and bake” method means no boiling water, no browning meat, and no messy stovetop cleanup.

  • One Dish Wonder: Everything comes together in a single 9×13 baking dish. Easy to assemble and even easier to clean up.

  • Incredibly Flavorful: The pasta cooks directly in the sauce, absorbing all the herbs, tomatoes, and savory flavors from the meatballs.

  • Customizable: Use your favorite type of pasta, any flavor of meatball, or add extra veggies to make it your own.

  • Crowd-Pleaser: It’s a cheesy, carb-filled, comforting dish that kids and adults alike will devour.

Ingredients

  • 1 tablespoon olive oil

  • 1 (25-ounce) package frozen fully cooked Italian-style meatballs (about 24 meatballs)

  • 1 (24-ounce) jar of your favorite marinara or pasta sauce

  • 1 (15-ounce) can diced tomatoes with Italian herbs, undrained

  • 2 cups water

  • 8 ounces (about 2 ½ cups) uncooked medium pasta shells (or penne, ziti, or rotini)

  • 1 teaspoon dried Italian seasoning

  • ½ teaspoon garlic powder

  • ½ teaspoon salt

  • ¼ teaspoon black pepper

  • 2 cups shredded low-moisture mozzarella cheese

  • ¼ cup grated Parmesan cheese

  • Fresh parsley or basil, for garnish (optional)

Instructions

1. Preheat and Prep: Preheat your oven to 400°F (200°C). Drizzle the olive oil into a 9×13-inch baking dish and spread it around to lightly coat the bottom. This helps prevent sticking and adds a little richness.

2. The “Dump” Part: To the baking dish, add the frozen meatballs (no need to thaw!), the entire jar of marinara sauce, the undrained can of diced tomatoes, and the water.

3. Add Dry Ingredients: Sprinkle the uncooked pasta shells, dried Italian seasoning, garlic powder, salt, and pepper evenly over the sauce mixture.

4. The First Stir: Using a large spoon or spatula, gently stir everything together until the pasta is submerged in the liquid and all the ingredients are well combined. It’s important that the pasta is mostly covered by the sauce so it cooks evenly. Spread the mixture into an even layer.

5. Cover and Bake: Cover the baking dish tightly with aluminum foil. This traps the steam and is crucial for cooking the pasta. Bake for 30 minutes.

6. Uncover, Cheese, and Bake Again: Carefully remove the hot dish from the oven. Remove the foil. Give the casserole a quick gentle stir. The pasta should be almost tender. Sprinkle the shredded mozzarella cheese and grated Parmesan evenly over the top.

7. Final Bake: Return the uncovered dish to the oven and bake for another 10-15 minutes, or until the cheese is melted, bubbly, and starting to turn golden brown in spots, and the pasta is completely tender.

8. Rest and Serve: Remove from the oven and let the casserole rest for about 5-10 minutes before serving. This allows the sauce to thicken slightly and cool down to a safe eating temperature. Garnish with fresh chopped parsley or basil if desired. Scoop out generous portions and enjoy!

Nutrition Information (per serving, based on 6 servings)

  • Calories: 580

  • Fat: 28g

  • Saturated Fat: 12g

  • Carbohydrates: 48g

  • Fiber: 5g

  • Sugar: 11g

  • Protein: 31g

(Nutrition information is an estimate and will vary based on the specific brands and ingredients used.)

Tips and Variations

  • Pasta Power: Be sure to use a sturdy pasta shape like shells, ziti, or penne. They hold up well to the longer bake time. Avoid using very delicate or thin pastas.

  • Don’t Over-Stir: When you add the cheese and give it the final stir before topping, you just want to fluff it a bit. Over-stirring can break up the meatballs.

  • Veggie Boost: Feel free to add a cup of chopped veggies like bell peppers, zucchini, or mushrooms when you add the pasta.

  • Meatball Choices: You can use homemade meatballs, turkey meatballs, or even plant-based meatballs in this recipe. Just ensure they are fully cooked or will cook through completely in the 40-minute bake time.

  • Spice It Up: Add a pinch of red pepper flakes to the sauce mixture for a little heat.

  • Make it Creamy: For a rosé-style sauce, stir in ½ cup of heavy cream or full-fat canned coconut milk after the first bake, just before adding the cheese.

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