If you’re looking for a hearty, no-fuss dinner that tastes like it’s been simmering all day, this Dump and Bake Meatball Casserole is your new go-to recipe. With just a handful of ingredients, no pre-cooking, and minimal cleanup, this dish delivers all the cozy flavors of homemade Italian comfort food — with almost zero effort.
Perfect for busy weeknights or lazy weekends, this recipe combines juicy meatballs, tender pasta, rich marinara sauce, and gooey melted cheese — all baked to perfection in a single dish.
Ingredients
Serves 6–8
- 1 (24 oz / 680g) jar marinara sauce
 - 3 cups (720ml) water
 - 1 pound (450g) frozen or homemade meatballs
 - 2 cups (200g) uncooked penne or rotini pasta
 - 1 teaspoon Italian seasoning
 - 1/2 teaspoon garlic powder
 - 1 1/2 cups (170g) shredded mozzarella cheese
 - 1/4 cup (25g) grated Parmesan cheese
 - Fresh basil or parsley for garnish (optional)
 
Preparation Time
- Prep time: 10 minutes
 - Baking time: 45 minutes
 - Total time: 55 minutes
 
Step-by-Step Instructions
Step 1: Preheat the Oven
- Preheat your oven to 400°F (200°C) and lightly grease a large baking dish (about 9×13 inches).
 
Step 2: Combine Ingredients
- In the baking dish, add uncooked pasta, frozen meatballs, marinara sauce, water, Italian seasoning, and garlic powder.
 - Stir gently until the pasta is evenly coated and the meatballs are distributed.
 
Step 3: Bake the Casserole
- Cover the dish tightly with aluminum foil to trap steam, which helps the pasta cook evenly.
 - Bake for 35 minutes.
 
Step 4: Add Cheese and Finish Baking
- Remove the foil, stir the casserole, and sprinkle mozzarella and Parmesan cheese evenly over the top.
 - Return to the oven, uncovered, and bake for 10 more minutes, or until the cheese is melted and bubbly.
 
Step 5: Serve and Enjoy
- Let the casserole rest for 5 minutes before serving.
 - Garnish with chopped basil or parsley for a fresh finish.
 
Serving Suggestions
- Pair with a simple green salad or garlic bread for a complete meal.
 - Add sautéed vegetables like mushrooms or bell peppers for extra nutrition.
 - For spice lovers, sprinkle with red pepper flakes before serving.
 
Nutritional Highlights
| Nutrient | Per Serving (1 cup) | 
|---|---|
| Calories | 410 | 
| Protein | 22 grams | 
| Total Fat | 17 grams | 
| Saturated Fat | 7 grams | 
| Carbohydrates | 42 grams | 
| Sugars | 7 grams | 
| Fiber | 4 grams | 
| Sodium | 710 milligrams | 
Nutritional Notes:
- High in protein from meatballs and cheese for lasting fullness.
 - Balanced carbs and fats provide steady energy.
 - Tomato-based sauce adds antioxidants like lycopene for heart health.
 - Swap whole wheat pasta for extra fiber or use low-fat cheese to reduce calories.
 
Tips for Best Results
- Don’t skip the foil during the first bake — it’s key for tender pasta.
 - If using homemade meatballs, pre-cook them for added flavor.
 - For extra creaminess, stir in 1/4 cup of ricotta or cream cheese before adding mozzarella.
 - This casserole also freezes beautifully — perfect for meal prep!
 
Variations to Try
- Spicy Meatball Casserole: Add sliced jalapeños or spicy sausage.
 - Vegetarian Version: Use plant-based meatballs and veggie marinara.
 - Cheesy Upgrade: Mix in shredded cheddar or provolone for richer flavor.
 - Mediterranean Twist: Add olives, artichokes, and feta for a bright, tangy contrast.
 
The Dump and Bake Meatball Casserole is the definition of comfort made easy. With no need for boiling pasta or pre-cooking meatballs, this one-pan wonder saves time without sacrificing flavor. It’s family-friendly, freezer-friendly, and sure to become a weeknight favorite.
Whether you’re feeding a crowd or looking for an effortless dinner that delivers maximum satisfaction, this recipe hits the spot — every single time.