1. Place the diced potatoes in a large pot of salted water. Bring to a boil and cook for 15–20 minutes , or until fork-tender. Drain well.
2. Return the potatoes to the pot. Add the milk, butter, and sour cream. Mash until smooth and creamy. Season with salt and pepper to taste.

Step 3: Assemble the Bake

1. Preheat your oven to 375°F (190°C) . Grease a 9×13-inch baking dish.
2. Spread half of the mashed potatoes evenly across the bottom of the dish.
3. Arrange the browned meatballs over the mashed potatoes. Spoon the marinara sauce evenly over the meatballs.
4. Dollop the remaining mashed potatoes over the top, spreading gently to cover the meatballs and sauce.
5. Sprinkle the shredded mozzarella and Parmesan cheeses evenly over the top.

Step 4: Bake

1. Bake for 25–30 minutes , or until the cheese is bubbly and golden brown.
2. Let the bake cool for 5 minutes before serving. Garnish with fresh basil if desired.

Why This Recipe Works

• Meatball Magic : Juicy, flavorful meatballs are the star of the dish, adding protein and heartiness.
• Cheesy Topping : The combination of mozzarella and Parmesan creates a gooey, golden crust that’s irresistible.
• Comfort Food Base : Creamy mashed potatoes provide a soft, velvety foundation that ties everything together.

Variations to Try

• Add Veggies : Stir spinach, roasted peppers, or sautéed mushrooms into the marinara sauce for extra nutrition.
• Spice It Up : Add red pepper flakes or a dash of hot sauce to the marinara for a spicy kick.
• Gluten-Free Option : Use gluten-free breadcrumbs for the meatballs.
• Vegan Version : Substitute plant-based meatballs, dairy-free cheese, and vegan mashed potatoes.
• Breakfast Twist : Top with a fried egg for a brunch-worthy version.

Tips for Success

• Don’t Overmix the Meatballs : Overmixing can make the meatballs dense—handle the mixture gently.
• Use Leftover Mashed Potatoes : This is a great way to use up leftover mashed potatoes from dinner.
• Storage : Store leftovers in an airtight container in the fridge for up to 3 days. Reheat gently in the oven or microwave.

Serving Suggestions

• Romantic Touch : Garnish with edible flowers or a sprinkle of smoked paprika for elegance.
• Brunch Staple : Pair with a side salad or roasted veggies for a complete meal.
• Party Platter : Serve alongside garlic bread, crusty baguette, or a charcuterie board for variety.

Final Thoughts

This Meatball & Mashed Potato Bake is a celebration of hearty, cheesy, and comforting flavors, offering a dish that feels indulgent yet approachable. With its customizable options, endless charm, and ease of preparation, it’s a recipe that’s sure to impress whether you’re cooking for a special occasion, a casual snack, or simply craving something satisfying.

Your Turn! Have you ever made a meatball casserole or experimented with mashed potato bakes? Share your favorite variations or serving ideas below. 🥔