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Meatball & Mashed Potato Bake – Creamy, Cheesy & Comforting AF!

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When you need real comfort food, Meatball & Mashed Potato Bake – Creamy, Cheesy & Comforting AF! delivers. You get juicy meatballs, buttery mashed potatoes, a creamy marinara sauce, and a golden blanket of melted cheese. Because it’s one pan and feeds a crowd, it works for family dinners, busy weeknights, and casual get-togethers.

I first made Meatball & Mashed Potato Bake – Creamy, Cheesy & Comforting AF! on a cold week when everything felt rushed. I had ground beef, potatoes, and a jar of marinara, and I wanted something cozy that didn’t require fancy steps. Once it came out of the oven bubbling and cheesy, everyone grabbed seconds. Since then, it has become my reliable “good mood” dinner—simple, filling, and always a hit.

Juicy meatballs baked in creamy marinara, topped with buttery mashed potatoes and gooey mozzarella for the ultimate comfort casserole.
Course: Dinner
Cuisine: Italian-American
Calories: 520

Ingredients
  

  • 1 lb ground beef (or turkey)
  • 1/2 cup breadcrumbs
  • 1/4 cup grated Parmesan cheese
  • 2 cloves garlic, minced
  • 1 large egg
  • 1 tbsp dried oregano
  • 1 tsp salt (plus more to taste)
  • 1/2 tsp black pepper
  • 4 large russet potatoes, peeled and cubed
  • 1/4 cup unsalted butter
  • 1/2 cup whole milk (or heavy cream)
  • 1 tsp salt (for mashed potatoes, to taste)
  • 1/4 tsp black pepper (for mashed potatoes, to taste)
  • 2 cups marinara sauce
  • 1 cup heavy cream (or half-and-half)
  • 1 tsp garlic powder
  • 1 tsp dried basil
  • 2 cups shredded mozzarella cheese (plus extra for topping if desired)
  • 1 tbsp olive oil (for browning meatballs)
  • 2 tbsp fresh parsley, chopped (optional garnish)

Equipment

  • 9x13 inch baking dish
  • large mixing bowl
  • Skillet
  • large pot
  • Potato masher
  • Measuring Cups and Spoons
  • whisk

Method
 

  1. Preheat the oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish.
  2. Make the meatballs: In a large bowl, combine ground beef, breadcrumbs, Parmesan, minced garlic, egg, oregano, salt, and pepper. Mix gently until just combined.
  3. Roll into 1-inch meatballs. Heat olive oil in a skillet over medium-high heat and brown meatballs in batches for about 5 minutes per batch, turning to brown all sides. Set aside.
  4. Make the mashed potatoes: Boil cubed potatoes in salted water until fork-tender, 15–18 minutes. Drain well, then mash with butter and milk until smooth. Season with salt and pepper to taste.
  5. Make the sauce: In a bowl, whisk together marinara sauce, heavy cream, garlic powder, and dried basil.
  6. Assemble: Spread a thin layer of sauce in the baking dish. Add meatballs in an even layer. Pour remaining sauce over the meatballs and sprinkle with about 1 1/2 cups mozzarella.
  7. Spoon mashed potatoes over the top and gently spread to the edges. Sprinkle remaining mozzarella over the potatoes.
  8. Bake uncovered for 25–30 minutes until bubbly and the cheese is melted. Broil for 1–2 minutes for a deeper golden top if desired (watch closely). Rest 10 minutes before serving. Garnish with parsley if using.

Nutrition

Calories: 520kcalCarbohydrates: 34gProtein: 28gFat: 30gSaturated Fat: 16gPolyunsaturated Fat: 2gMonounsaturated Fat: 9gTrans Fat: 1gCholesterol: 135mgSodium: 920mgPotassium: 1120mgFiber: 4gSugar: 6gVitamin A: 520IUVitamin C: 18mgCalcium: 360mgIron: 4.2mg

Notes

For best flavor, brown the meatballs before baking. Let the casserole rest 10 minutes before serving so it sets. Use culinary ingredients only (never ingest essential oils). Store leftovers covered in the fridge for up to 4 days.

Tried this recipe?

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What Makes This Bake So Comforting

Meatballs That Stay Juicy

This dish starts with meatballs that hold together and stay tender. Breadcrumbs and egg help bind the mixture, while Parmesan and garlic add big flavor. Even better, browning the meatballs first builds a deeper taste. As a result, they finish cooking in the oven without drying out.

To keep them juicy, mix gently and stop as soon as everything comes together. Also, make meatballs the same size so they cook evenly. If you want a lighter version, turkey works well, yet beef gives the richest flavor.

Creamy Marinara Sauce That Pulls It Together

Marinara alone is great, but once you swirl in cream, the sauce turns silky and mellow. Because the potatoes are buttery and mild, the creamy marinara adds contrast and keeps every bite from tasting flat. Garlic powder and basil boost the “baked pasta night” vibe, even though there’s no pasta at all.

If you like heat, add a pinch of crushed red pepper. Meanwhile, if you want extra richness, use heavy cream as written. Either way, the sauce helps the layers bake into one cohesive, scoopable casserole.

Ingredients and Smart Swaps

What You Need

For the Meatballs

  • 1 lb ground beef (or turkey)
  • ½ cup breadcrumbs
  • ¼ cup grated Parmesan
  • 2 cloves garlic, minced
  • 1 egg
  • 1 tbsp dried oregano
  • Salt and pepper

For the Mashed Potatoes

  • 4 large russet potatoes, peeled and cubed
  • ¼ cup unsalted butter
  • ½ cup whole milk (or heavy cream)
  • Salt and pepper

For the Sauce

  • 2 cups marinara sauce
  • 1 cup heavy cream (or half-and-half)
  • 1 tsp garlic powder
  • 1 tsp dried basil

For Assembly

  • 2 cups shredded mozzarella (plus extra for topping)
  • Optional: chopped parsley

Easy Customizations

You can make Meatball & Mashed Potato Bake – Creamy, Cheesy & Comforting AF! fit what you have. For example, swap mozzarella for provolone, Monterey Jack, or an Italian blend. Also, you can stir sautéed onions, spinach, or mushrooms into the sauce for added veggies.

If you want faster prep, use frozen meatballs and pre-made mashed potatoes. While homemade tastes best, shortcuts still make an excellent bake. Just keep an eye on salt because store-bought options can be salty.

Step-by-Step: How to Make It Perfect

Prep the Meatballs

  1. Heat oven to 375°F (190°C).
  2. In a large bowl, combine beef, breadcrumbs, Parmesan, garlic, egg, oregano, salt, and pepper.
  3. Mix gently until just combined.
  4. Roll into 1-inch meatballs.

Then, brown them:

  • Heat a drizzle of olive oil in a skillet over medium-high heat.
  • Brown meatballs in batches, about 5 minutes per batch, turning to brown all sides.
  • Set aside.

Browning matters because it adds flavor. However, you do not need to cook them through here since they finish in the oven.

Make the Mashed Potatoes

  1. Add cubed potatoes to a pot and cover with cold salted water.
  2. Bring to a boil, then simmer until fork-tender, 15–18 minutes.
  3. Drain well, then return potatoes to the pot.
  4. Mash with butter and milk until smooth.
  5. Season with salt and pepper.

For extra creamy potatoes, warm the milk first. Also, mash while the potatoes are hot so they stay fluffy.

Assemble and Bake

Build the Layers

  1. In a bowl, whisk together marinara, cream, garlic powder, and basil.
  2. Spread a thin layer of sauce in a 9x13-inch baking dish.
  3. Add browned meatballs in an even layer.
  4. Pour the remaining sauce over the meatballs.
  5. Sprinkle 1½ cups mozzarella over the sauce.
  6. Spoon mashed potatoes on top and gently spread to the edges.
  7. Finish with the remaining mozzarella on top.

Because the potatoes go last, you get that golden, cheesy topping that makes this casserole unforgettable.

Bake Until Bubbling

  • Bake uncovered for 25–30 minutes, until the cheese melts and the edges bubble.
  • Broil for 1–2 minutes for a deeper golden top, watching closely.
  • Rest for 10 minutes before serving so slices hold better.

Finish with parsley if you want freshness. Then serve while hot and creamy.


FAQ

1) Can I make Meatball & Mashed Potato Bake – Creamy, Cheesy & Comforting AF! ahead of time?
Yes. Assemble the casserole, cover tightly, and refrigerate up to 24 hours. Then bake at 375°F, adding 10–15 minutes if cold.

2) Can I freeze it?
Yes. Cool completely, wrap well, and freeze up to 2 months. Thaw overnight in the fridge, then bake until hot throughout.

3) What’s the best potato for mashed potatoes here?
Russet potatoes work best because they mash fluffy. Yukon Gold also works and tastes buttery, although it turns slightly denser.

4) How do I keep the meatballs tender?
Mix gently, avoid overworking the meat, and don’t over-brown. Also, keep meatballs small and uniform so they cook evenly.

5) What should I serve with it?
A simple green salad, steamed broccoli, or roasted green beans balances the richness. Garlic bread also pairs well if you want a full comfort meal.


Conclusion

Meatball & Mashed Potato Bake – Creamy, Cheesy & Comforting AF! turns simple ingredients into a cozy, crowd-pleasing dinner. Because it layers juicy meatballs, creamy sauce, fluffy potatoes, and melted cheese, it tastes like the ultimate comfort food in every bite. Make it for a family night, share it at a potluck, or save leftovers for an easy reheat meal that still tastes amazing.

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