If you’re craving a hearty, comforting dish that feels like a warm hug on a plate, you absolutely need to try this Meatball & Mashed Potato Bake Recipe. It’s a delightful fusion of juicy, flavorful meatballs nestled in a rich marinara sauce, topped with creamy, buttery mashed potatoes, and finished with a golden layer of bubbly mozzarella cheese. Trust me, this dish brings together the ultimate cozy flavors that everyone will love, whether it’s a family dinner or a gathering with friends.

Ingredients You’ll Need
Getting the ingredients right is half the magic in this Meatball & Mashed Potato Bake Recipe. Each component plays a key role—from the tender meatballs to the silky mashed potatoes and the savory marinara that ties it all together.
- 1 lb ground beef (or ground turkey for a lighter option): Provides juicy, flavorful meatballs that are the heart of the dish.
- 1/4 cup breadcrumbs: Helps bind the meatballs and keeps them tender.
- 1/4 cup grated Parmesan cheese: Adds a sharp, salty depth to the meatballs.
- 1/4 cup milk: Softens the meatball mixture for a moist result.
- 1 large egg: Acts as a binder, holding everything together.
- 2 cloves garlic, minced: Brings a lovely aroma and savory kick to the meatballs.
- 1 teaspoon Italian seasoning: Infuses classic Italian herb flavors.
- Salt and pepper, to taste: Essential seasonings to enhance every bite.
- 2 tablespoons olive oil (for cooking): For browning the meatballs with a beautiful crust.
- 4 medium potatoes, peeled and chopped: The base for creamy mashed potatoes.
- 4 tablespoons butter: Adds richness and smoothness to the potatoes.
- 1/2 cup milk (or heavy cream for extra creaminess): Creates a luscious mash texture.
- Salt and pepper, to taste: Season the mashed potatoes perfectly.
- 1/2 cup shredded cheddar cheese (optional, for mixing into the potatoes): Gives extra flavor and creaminess to the mash.
- 1 1/2 cups marinara sauce (or your favorite pasta sauce): A tangy, savory bed for the meatballs.
- 1 cup shredded mozzarella cheese: Melts beautifully on top for that irresistible golden finish.
- Fresh parsley (optional, for garnish): Adds color and fresh herb flavor when serving.
How to Make Meatball & Mashed Potato Bake Recipe
Step 1: Make the Meatballs
Start by warming your oven to 375°F (190°C). In a large bowl, combine the ground beef, breadcrumbs, Parmesan, milk, egg, minced garlic, Italian seasoning, salt, and pepper. Mix it all thoroughly—it’s important that the meatball mixture is well integrated so every bite bursts with flavor. Then roll this mixture into generous 1 to 1.5-inch meatballs. Heat olive oil in a skillet and brown the meatballs on all sides—this gives them a wonderful color and seals in the juices. Set the browned meatballs aside while you prepare the rest.
Step 2: Cook the Mashed Potatoes
Boil the peeled and chopped potatoes in salted water until they’re fork-tender, which usually takes about 12-15 minutes. Drain them well and add back to the pot. Stir in butter and milk, then mash everything until smooth and creamy. Season with salt and pepper to your taste. For a rich, extra velvety touch, mix in shredded cheddar cheese until melted and fully combined. This step turns the mashed potatoes into the perfect comforting topping for the bake.
Step 3: Assemble the Casserole
Grease a 9×13-inch baking dish and spread the marinara sauce evenly across the bottom. This tangy layer creates a vibrant base that pairs perfectly with the meatballs. Arrange the browned meatballs over the sauce, spacing them out evenly. Next, nestle the luscious mashed potatoes over the meatballs, smoothing with a spatula to cover the whole dish evenly. Finally, sprinkle the shredded mozzarella cheese across the top—the cheese will melt into a golden crust that’s pure delight.
Step 4: Bake
Pop the casserole into your preheated oven and bake for 20-25 minutes. You’re looking for melted, bubbly cheese with edges turning a beautiful golden brown. This final baking melds the flavors and textures into one comforting masterpiece.
Step 5: Serve
Allow the bake to cool for a few minutes before serving—that way it comes together perfectly without being too hot to enjoy. Optionally garnish with fresh parsley for a pop of color and a fresh herbal note. This Meatball & Mashed Potato Bake Recipe is a show-stopping centerpiece that pairs wonderfully with simple sides to round out the meal.
How to Serve Meatball & Mashed Potato Bake Recipe

Garnishes
A sprinkle of freshly chopped parsley not only brightens up the dish visually but adds a subtle freshness that balances the rich meatballs and potatoes. If you’re feeling adventurous, a few red pepper flakes can bring a spicy kick that livens up each bite.
Side Dishes
This bake is a complete meal in itself but pairs beautifully with crisp, fresh side salads or lightly steamed green vegetables like broccoli or green beans. The freshness and crunch from the sides offset the creamy, savory richness perfectly.
Creative Ways to Present
For an individual serving twist, try baking this dish in mini ramekins—the layers look so inviting and it’s easy to portion. You can also add a drizzle of balsamic glaze over the top before serving for a sophisticated flavor boost.
Make Ahead and Storage
Storing Leftovers
Store any leftover bake in an airtight container in the refrigerator for up to 3 days. This dish holds its flavor really well, making it perfect for next-day meals.
Freezing
You can freeze this casserole either before baking or after. If freezing unbaked, assemble in a freezer-safe dish, cover tightly, and freeze for up to 2 months. When ready to eat, bake directly from frozen, adding extra time. Baked leftovers freeze well too; just thaw overnight in the fridge before reheating.
Reheating
Reheat leftovers in the oven at 350°F until warmed through and the cheese is bubbly again. For a quicker option, microwave portions covered to keep moisture in, stirring mashed potatoes halfway through for even heating.
FAQs
Can I use ground turkey instead of beef?
Absolutely! Ground turkey is a great lighter alternative and works perfectly in this Meatball & Mashed Potato Bake Recipe. Just keep an eye on the cooking time as turkey meatballs can cook a bit faster.
What can I substitute for marinara sauce?
If you want to switch things up, try using a homemade tomato sauce, a creamy mushroom sauce, or even a BBQ sauce for a smoky twist. Each will bring a unique flavor to your bake.
Can I make this recipe vegetarian?
Yes! Swap the meatballs for plant-based alternatives or make mashed potato “dumplings” with cheese and herbs baked in the sauce for a vegetarian-friendly meal everyone will enjoy.
Is it okay to use instant mashed potatoes?
While fresh mashed potatoes deliver the best texture and flavor, instant mashed potatoes can be a convenient shortcut. Add extra butter and milk for creaminess to get closer to that homemade feel.
How spicy is this dish?
This Meatball & Mashed Potato Bake Recipe is mild by default, making it family-friendly. You can easily add crushed red pepper or hot sauce to the meatball mix or marinara if you want to kick up the heat.
Final Thoughts
This Meatball & Mashed Potato Bake Recipe is a winner that brings comfort food to a whole new level. It’s perfect for cozy nights, feeding a crowd, or just treating yourself to something special. I can’t encourage you enough to give it a try—you might just find your new favorite family meal in this delicious bake!
Print
Meatball & Mashed Potato Bake Recipe
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 6 to 8 servings
- Category: Casserole
- Method: Baking
- Cuisine: Italian-American
Description
This Meatball & Mashed Potato Bake is a comforting and hearty casserole combining flavorful browned meatballs, creamy mashed potatoes, tangy marinara sauce, and melted mozzarella cheese. Perfect for family dinners, it offers a delicious one-dish meal with a crisp golden top and a rich blend of Italian-inspired flavors.
Ingredients
Meatballs
- 1 lb ground beef (or ground turkey for a lighter option)
- 1/4 cup breadcrumbs
- 1/4 cup grated Parmesan cheese
- 1/4 cup milk
- 1 large egg
- 2 cloves garlic, minced
- 1 teaspoon Italian seasoning
- Salt and pepper, to taste
- 2 tablespoons olive oil (for cooking)
Mashed Potatoes
- 4 medium potatoes, peeled and chopped
- 4 tablespoons butter
- 1/2 cup milk (or heavy cream for extra creaminess)
- Salt and pepper, to taste
- 1/2 cup shredded cheddar cheese (optional, for mixing into the potatoes)
Assembly & Topping
- 1 1/2 cups marinara sauce (or your favorite pasta sauce)
- 1 cup shredded mozzarella cheese
- Fresh parsley (optional, for garnish)
Instructions
- Make the Meatballs: Preheat your oven to 375°F (190°C). In a large bowl, combine the ground beef, breadcrumbs, Parmesan cheese, milk, egg, garlic, Italian seasoning, salt, and pepper. Mix until well combined. Roll the mixture into 1 to 1.5-inch meatballs and place them on a parchment-lined baking sheet. Heat the olive oil in a large skillet over medium heat. Brown the meatballs in batches, about 3-4 minutes per side. Once browned, remove them from the skillet and set aside.
- Cook the Mashed Potatoes: In a large pot, boil the chopped potatoes in salted water for 12-15 minutes, or until fork-tender. Drain the potatoes and return them to the pot. Add the butter and milk to the potatoes, and mash until smooth and creamy. Season with salt and pepper to taste. If you want extra creaminess, add the shredded cheddar cheese into the mashed potatoes and mix until melted and combined.
- Assemble the Casserole: Spread the marinara sauce in the bottom of a greased 9×13-inch baking dish. Arrange the browned meatballs evenly over the sauce. Spoon the mashed potatoes over the meatballs, spreading it evenly to cover the entire dish. Top with the shredded mozzarella cheese.
- Bake: Bake the casserole in the preheated oven for 20-25 minutes, or until the cheese is melted and bubbly and the edges are golden brown.
- Serve: Let the casserole cool for a few minutes before serving. Garnish with fresh parsley if desired. Serve with a side salad or some steamed vegetables for a complete meal.
Notes
- You can substitute ground turkey to reduce fat content and make a lighter version.
- For extra creamy mashed potatoes, use heavy cream instead of milk.
- Add shredded cheddar cheese into the mashed potatoes for a cheesy twist.
- Leftovers can be refrigerated for up to 3 days and reheated in the oven.
- If preferred, meatballs can be fully cooked in the skillet instead of browning before baking.

