If you’re craving a cozy, hearty meal that feels like a warm hug on a plate, then you’re going to love this Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe. Imagine tender Italian meatballs nestled on a fluffy bed of creamy mashed potatoes, all crowned with a glorious blanket of melted mozzarella cheese. Every bite is a perfect harmony of savory flavors and comforting textures, making it an ideal dish for family dinners, casual gatherings, or when you want to treat yourself to something truly delightful.

Ingredients You’ll Need
Each ingredient in this recipe plays a crucial role in bringing that perfect balance of flavor and texture to your Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe. They’re simple, straightforward essentials that work together to create a dish that feels both indulgent and homey.
- Italian meatballs: These are the heart of the dish, providing rich, spiced protein with every bite.
- Mashed potatoes: Creamy and smooth, they form the delicious base that adds comforting softness.
- Shredded mozzarella cheese (2 cups): When melted, this cheese gives the casserole a luscious, gooey topping that’s simply irresistible.
- Fresh parsley (2 tablespoons, chopped): Brightens the dish with a pop of color and a subtle hint of freshness.
How to Make Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe
Step 1: Prepare Your Key Components
The first step is to make your Italian meatballs and mashed potatoes according to your favorite recipes or the ones linked in the Notes section. Taking a little care here means you’ll have flavorful meatballs that are tender on the inside and mashed potatoes that are perfectly creamy. This foundation really sets the tone for the entire casserole.
Step 2: Layer the Base
Preheat your oven to 350°F (175°C) and spray a 9×13 inch casserole dish with cooking spray. Spread your mashed potatoes evenly across the bottom—this creates a smooth, rich layer that cradles the meatballs perfectly. Then, arrange the meatballs on top in a single layer so they can heat evenly during baking.
Step 3: Time to Bake and Melt
Bake the casserole for 20 minutes, just enough to warm the meatballs through the creamy mashed potatoes. After this initial baking, sprinkle the shredded mozzarella generously over the meatballs and pop the casserole back into the oven for an additional 10 minutes. Watch as the cheese melts into a bubbling, golden topping that takes the whole dish to the next level.
Step 4: Garnish and Serve
Once your casserole is out of the oven, sprinkle the chopped fresh parsley on top. This final touch not only adds a beautiful color contrast but also a hint of herbal brightness that refreshes the richness of the dish. Serve it warm to enjoy every comforting, cheesy, meaty bite.
How to Serve Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe

Garnishes
Adding fresh parsley is perfect, but you can also sprinkle a little crushed red pepper for a subtle kick or even a drizzle of olive oil to add shine and an extra layer of flavor. A light dusting of grated Parmesan cheese just before serving elevates the cheesy goodness.
Side Dishes
This casserole is hearty on its own but pairs beautifully with a crisp green salad dressed with lemon vinaigrette to cut through some of the richness. Steamed green beans or garlic-roasted broccoli also make excellent vegetable companions, adding both color and crunch.
Creative Ways to Present
If you’re hosting, consider serving the Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe family-style in the casserole dish itself for a warm, inviting centerpiece. Or, scoop individual portions into small ovenproof ramekins, sprinkle cheese on top, and broil them for a couple of minutes for an extra melty finish and charming presentation.
Make Ahead and Storage
Storing Leftovers
Leftover casserole keeps beautifully in the refrigerator for up to 3 days when stored in an airtight container. The flavors actually deepen a bit overnight, making for an even tastier meal the next day.
Freezing
You can freeze this casserole for up to 2 months. For best results, freeze it before baking or immediately after the first baking step but before adding the mozzarella. When ready to enjoy, thaw overnight in the fridge, then add the cheese and bake as directed.
Reheating
Reheat individual portions in the microwave for a quick fix, or warm the entire casserole in a 350°F oven covered with foil to prevent drying out. Add a few extra minutes uncovered if you want to refresh the melted mozzarella’s bubbly appeal.
FAQs
Can I use store-bought meatballs for this recipe?
Absolutely! Store-bought meatballs can save time and still taste delicious in this casserole. Just make sure to bake the casserole long enough for everything to heat through and the cheese to melt perfectly.
What type of potatoes are best for mashed potatoes in this casserole?
Russet or Yukon Gold potatoes work wonderfully because they create fluffy, creamy mashed potatoes that hold up well as the casserole base.
Is there a way to make this casserole vegetarian?
Yes, swap the Italian meatballs for plant-based meatballs or hearty lentil balls. The mashed potatoes and mozzarella will still provide that satisfying texture and richness.
Can I substitute mozzarella with another cheese?
While mozzarella is ideal for its meltiness, you can use provolone, fontina, or a mild cheddar if you prefer. Each will bring a unique flavor while maintaining that cheesy topping appeal.
How spicy is this Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe?
The spice level depends on the seasoning in your meatballs. Traditional Italian meatballs have mild herbs and spices, so the casserole tends to be mild and comforting, but you can always add crushed red pepper flakes for a touch of heat.
Final Thoughts
This Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe is just the kind of meal that makes you feel at home, no matter the season. It’s comforting, cheesy, and packed with flavors that bring people together around the table. I can’t wait for you to try it because sometimes, the simplest dishes become our all-time favorites. Happy cooking and even happier eating!
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Meatball Casserole with Mashed Potatoes and Melted Mozzarella Recipe
- Prep Time: 35 minutes
- Cook Time: 1 hour 20 minutes
- Total Time: 1 hour 55 minutes
- Yield: 8 servings
- Category: Casserole
- Method: Baking
- Cuisine: Italian-American
Description
A comforting and hearty Meatball Casserole combining flavorful Italian meatballs layered over creamy mashed potatoes, topped with melted mozzarella cheese and fresh parsley. Perfect for a family dinner, this baked casserole is easy to prepare and sure to satisfy.
Ingredients
Meatballs
- 1 recipe Italian meatballs (refer to recipe link in Notes)
Mashed Potatoes
- 1 recipe mashed potatoes (refer to recipe link in Notes)
Topping
- 2 cups shredded mozzarella cheese
- 2 tablespoons fresh parsley, chopped
Instructions
- Prepare the meatballs and mashed potatoes: Follow the linked Italian meatballs and mashed potatoes recipes provided in the Notes section to prepare both components fully before assembly.
- Preheat and assemble casserole: Preheat your oven to 350°F (175°C). Lightly grease a 9×13 inch casserole dish with cooking spray. Spread the prepared mashed potatoes evenly across the bottom of the dish. Arrange the cooked meatballs evenly over the mashed potatoes layer.
- Bake the casserole: Place the casserole dish in the oven and bake for 20 minutes until the dish is heated through. Then, evenly sprinkle the shredded mozzarella cheese on top of the meatballs. Return to the oven and bake for an additional 10 minutes or until the cheese is melted, bubbly, and slightly golden.
- Garnish and serve: Remove the casserole from the oven and sprinkle chopped fresh parsley over the top. Serve the casserole warm for a hearty meal.
Notes
- Refer to the linked Italian meatball and mashed potatoes recipes to prepare those components accurately.
- Use fresh parsley for garnish to enhance flavor and presentation.
- This casserole can be assembled ahead and baked just before serving.
- For a lower-fat option, use part-skim mozzarella cheese.

