This Loaded Mashed Potato and Meatball Casserole is a delicious and hearty dish that combines tender meatballs in marinara with gooey mozzarella and creamy loaded mashed potatoes. Perfect for family dinners, gatherings, or a cozy night in, this casserole showcases comfort food at its finest. The blend of flavors and textures makes it a standout meal that everyone will love.
Why You’ll Love This Recipe
- Easy to Prepare: With simple ingredients and straightforward steps, this dish comes together quickly.
- Flavor-Packed: The combination of savory meatballs, rich marinara, and creamy mashed potatoes makes every bite irresistible.
- Versatile: Perfect for any occasion—from weeknight dinners to potlucks, this casserole fits right in.
- Family Favorite: Kids and adults alike will enjoy the comforting flavors of this casserole.
- Make-Ahead Option: Prepare it in advance and bake when ready for a hassle-free meal.
Tools and Preparation
To make the Loaded Mashed Potato and Meatball Casserole, you’ll need some essential tools. These will help ensure your cooking process is smooth and efficient.
Essential Tools and Equipment
- Mixing bowls
- Baking dish
- Frying pan
- Potato masher or ricer
- Measuring cups and spoons
Importance of Each Tool
- Mixing bowls: Essential for combining your meatball ingredients thoroughly.
- Baking dish: Provides the perfect vessel for baking your casserole evenly.
- Frying pan: Ideal for browning the meatballs before adding them to the casserole.
- Potato masher or ricer: Ensures your mashed potatoes are creamy and free of lumps.
Ingredients
This Loaded Mashed Potato and Meatball Casserole features a variety of tasty ingredients that come together beautifully.
For the Meatballs
- 1 pound lean ground beef
- 1 pound ground pork
- ½ cup bread crumbs
- ½ cup diced onion
- 2 large eggs
- 1 teaspoon salt
- 1 teaspoon pepper
- 3 cloves fresh garlic (minced)
- ¼ cup fresh parsley (minced)
- ⅓ cup grated parmesan cheese
For the Loaded Mashed Potatoes
- 3 cups mashed potatoes (about 5 potatoes, if using homemade)
- 1 tablespoon fresh parsley (minced)
- 6 slices bacon (cooked and chopped)
- 1 teaspoon garlic (minced)
- 2 large eggs
- ½ cup shredded cheddar cheese
- 1 teaspoon salt
- ½ teaspoon pepper
For the Marinara Sauce
- 2 teaspoons olive oil
- ¼ cup onion (diced)
- 2 cloves garlic (minced)
- 2 cups tomato sauce
- 4 large basil leaves (minced or 1 tablespoon dried basil)
- ½ teaspoon salt
- ¼ teaspoon sugar
- ¼ teaspoon pepper
- ¼ teaspoon thyme
- ¼ teaspoon oregano
For Topping
- 12 slices mozzarella cheese
How to Make Loaded Mashed Potato and Meatball Casserole
Step 1: Preheat the Oven
Preheat your oven to 375°F (190°C). This ensures that your casserole cooks evenly throughout.
Step 2: Prepare the Meatballs
In a large mixing bowl:
1. Combine the ground beef, ground pork, breadcrumbs, diced onion, eggs, salt, pepper, minced garlic, parsley, and parmesan cheese.
2. Mix until well combined but do not overmix. Shape into small meatballs.
Step 3: Brown the Meatballs
In a frying pan over medium heat:
1. Add olive oil.
2. Once hot, add the meatballs in batches.
3. Cook until browned on all sides but not cooked through; they will finish cooking in the oven.
Step 4: Make the Marinara Sauce
In another frying pan:
1. Heat olive oil over medium heat.
2. Sauté diced onion until translucent.
3. Add minced garlic; cook until fragrant.
4. Stir in tomato sauce, basil, salt, sugar, pepper, thyme, and oregano. Simmer for about 10 minutes.
Step 5: Prepare Loaded Mashed Potatoes
If using homemade potatoes:
1. Boil peeled potatoes until tender; drain well.
2. Mash with butter or cream until creamy.
3. Stir in parsley, bacon, garlic, eggs, cheddar cheese, salt, and pepper.
Step 6: Assemble Casserole
In a baking dish:
1. Spread half of the loaded mashed potatoes on the bottom.
2. Layer with browned meatballs followed by marinara sauce.
3. Top with remaining mashed potatoes.
4. Place mozzarella slices evenly on top.
Step 7: Bake
Cover with foil and bake for 30 minutes at 375°F (190°C). Remove foil during the last 15 minutes to brown cheese.
Enjoy your delicious Loaded Mashed Potato and Meatball Casserole!
How to Serve Loaded Mashed Potato and Meatball Casserole
Loaded Mashed Potato and Meatball Casserole is a comforting dish that can be enjoyed in various ways. Whether you serve it as a main course or as part of a larger meal, here are some delightful serving suggestions.
Individual Bowls
- Serve in individual bowls for a cozy presentation. Top each bowl with extra mozzarella cheese for an indulgent touch.
Family Style
- Present the casserole in its baking dish. This creates a communal dining experience where everyone can help themselves.
With Fresh Herbs
- Garnish each serving with freshly minced parsley or basil. This adds a pop of color and enhances the flavors.
Side Salad
- Pair the casserole with a light side salad. A simple mix of greens with a vinaigrette balances the richness of the dish.
Garlic Bread
- Offer slices of garlic bread on the side. The crunchy texture complements the creamy casserole perfectly.
Wine Pairing
- Serve with a glass of red wine, such as Merlot or Cabernet Sauvignon, to elevate your meal experience.
How to Perfect Loaded Mashed Potato and Meatball Casserole
To achieve the best results with your Loaded Mashed Potato and Meatball Casserole, consider these helpful tips.
- Use fresh ingredients: Opt for fresh herbs and high-quality meats for richer flavors.
- Customize spices: Adjust the seasoning according to your taste preferences. Feel free to add more garlic or herbs.
- Let it cool: Allow the casserole to sit for about 10 minutes after baking before serving. This helps it set and makes serving easier.
- Experiment with cheeses: Try different types of cheese, like gouda or pepper jack, for unique flavor variations.
- Make ahead: Prepare the casserole in advance and refrigerate it overnight. Bake it just before serving for an easy dinner solution.
- Cover while baking: If you prefer a softer top, cover the dish with foil during part of the baking process. Remove it towards the end for browning.
Best Side Dishes for Loaded Mashed Potato and Meatball Casserole
This hearty casserole pairs well with various side dishes that complement its flavors. Here are some excellent choices:
- Steamed Broccoli: Bright green broccoli adds color and nutrition while balancing the richness of the casserole.
- Roasted Brussels Sprouts: Tossed in olive oil and garlic, these sprouts provide a crispy texture that contrasts nicely.
- Caesar Salad: The tangy dressing and crunchy croutons create an enjoyable contrast to the creamy potatoes.
- Corn on the Cob: Sweet corn brings a pop of sweetness, making it a delightful seasonal side dish.
- Garlic Mashed Cauliflower: For a low-carb option, this creamy alternative offers similar flavors without all the carbs.
- Baked Beans: The sweetness of baked beans pairs wonderfully with savory meatballs.
- Coleslaw: A refreshing coleslaw adds crunch and acidity to balance out the richness of your meal.
- Fruit Salad: A light fruit salad can cleanse your palate, providing sweetness after savory bites.
Common Mistakes to Avoid
When making Loaded Mashed Potato and Meatball Casserole, it’s easy to make mistakes that can affect the final dish. Here are some common pitfalls and how to avoid them.
- Skipping the seasoning: Failing to season your meatballs properly can lead to bland flavors. Ensure you include salt, pepper, and herbs in your mixture.
- Overcooking the meatballs: Cooking meatballs for too long can make them dry. Aim for a golden-brown exterior while keeping them juicy inside.
- Using cold mashed potatoes: Cold mashed potatoes can lead to uneven baking. Make sure your mashed potatoes are warm when assembling the casserole.
- Not layering correctly: Improper layering can cause ingredients not to meld well. Start with sauce, then meatballs, followed by mashed potatoes for optimal flavor.
- Rushing the bake time: Skipping the recommended baking time may prevent all flavors from developing. Bake until everything is hot and bubbly for perfect results.
Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container for up to 3-4 days.
- Allow the casserole to cool completely before refrigerating it.
Freezing Loaded Mashed Potato and Meatball Casserole
- Freeze in an airtight container for up to 2-3 months.
- For best results, wrap it tightly with plastic wrap before placing it in a freezer bag.
Reheating Loaded Mashed Potato and Meatball Casserole
- Oven: Preheat to 350°F (175°C) and cover with foil. Bake for about 25-30 minutes or until heated through.
- Microwave: Place a portion in a microwave-safe dish, cover, and heat on medium power for 2-3 minutes or until warm.
- Stovetop: Heat in a skillet over medium-low heat, stirring occasionally until warmed through.
Frequently Asked Questions
What is Loaded Mashed Potato and Meatball Casserole?
Loaded Mashed Potato and Meatball Casserole is a savory dish combining tender meatballs coated in marinara sauce with creamy loaded mashed potatoes topped with cheese.
Can I customize the ingredients?
Absolutely! You can add vegetables like spinach or mushrooms, use different cheeses, or substitute ground meats according to your preference.
How do I make my own mashed potatoes?
To make homemade mashed potatoes, boil peeled potatoes until tender, mash them with butter, milk, salt, and pepper until creamy.
What sides pair well with this casserole?
This casserole pairs wonderfully with a fresh side salad or steamed vegetables for a balanced meal.
Can I prepare this ahead of time?
Yes! You can assemble the casserole ahead of time and refrigerate it before baking. Just add an extra 10-15 minutes of bake time if it’s chilled.
Final Thoughts
Loaded Mashed Potato and Meatball Casserole offers a comforting blend of flavors that everyone will love. It’s perfect for family dinners or gatherings. Feel free to customize it by adding your favorite toppings or ingredients!

Loaded Mashed Potato and Meatball Casserole
- Total Time: 1 hour 10 minutes
- Yield: Serves 8
Description
Loaded Mashed Potato and Meatball Casserole is the quintessential comfort food that combines tender meatballs simmered in marinara sauce with creamy, loaded mashed potatoes, all topped with gooey mozzarella cheese. This hearty dish is perfect for family dinners, potlucks, or a cozy night in, delivering a delightful mix of flavors and textures that everyone will adore. With its easy preparation and make-ahead options, this casserole makes weekday meals uncomplicated yet delicious.
Ingredients
- 1 pound lean ground beef
- 1 pound ground pork
- ½ cup bread crumbs
- ½ cup diced onion
- 2 large eggs
- 1 teaspoon salt
- 1 teaspoon pepper
- 3 cloves fresh garlic (minced)
- ¼ cup fresh parsley (minced)
- ⅓ cup grated parmesan cheese
- 3 cups mashed potatoes (about 5 potatoes)
- 1 tablespoon fresh parsley (minced)
- 6 slices bacon (cooked and chopped)
- 1 teaspoon garlic (minced)
- 2 large eggs
- ½ cup shredded cheddar cheese
- 1 teaspoon salt
- ½ teaspoon pepper
- 2 teaspoons olive oil
- ¼ cup onion (diced)
- 2 cloves garlic (minced)
- 2 cups tomato sauce
- 4 large basil leaves (minced or 1 tablespoon dried basil)
- ½ teaspoon salt
- ¼ teaspoon sugar
- ¼ teaspoon pepper
- ¼ teaspoon thyme
- ¼ teaspoon oregano
- 12 slices mozzarella cheese
Instructions
- Preheat the oven to 375°F (190°C).
- In a mixing bowl, combine beef, pork, breadcrumbs, onion, eggs, garlic, parsley, salt, pepper, and parmesan. Form into meatballs.
- Brown the meatballs in a frying pan over medium heat until golden but not cooked through.
- Sauté onion and garlic in olive oil; add tomato sauce and seasonings. Simmer for 10 minutes.
- Prepare mashed potatoes by boiling potatoes until tender; mash with butter or cream and mix in parsley, bacon, garlic, eggs, cheddar cheese, salt, and pepper.
- In a baking dish, layer half of the mashed potatoes, followed by meatballs and marinara sauce. Top with remaining mashed potatoes and mozzarella.
- Cover with foil and bake for 30 minutes; uncover for the last 15 minutes to brown cheese.
- Prep Time: 25 minutes
- Cook Time: 45 minutes
- Category: Dinner
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 serving
- Calories: 450
- Sugar: 3g
- Sodium: 890mg
- Fat: 24g
- Saturated Fat: 10g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 34g
- Fiber: 4g
- Protein: 30g
- Cholesterol: 120mg
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