Baked casserole with meatballs, mashed potatoes, and cheese in a white dish

Ultimate Meatball & Mashed Potato Casserole

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Created on September 24th, 2025 at 05:07 pm

Cheesy. Cozy. Family-approved comfort.

This ultimate casserole dish brings cozy comfort straight to your table! With tender beef meatballs nestled beneath creamy mashed potatoes and golden melted cheese, this bake is the ultimate answer to chilly evenings and busy weeknights. It’s a crowd-pleasing dinner you can pull together fast — whether you’re feeding picky eaters, prepping for leftovers, or craving a taste of nostalgia. Plus, it’s easy to customize and budget-friendly, using leftovers or frozen staples you already have. Perfect for a fall family feast or a comforting meal on a quiet night in.

Golden-baked mashed potato topping over juicy beef meatballs and brown gravy

🌟 Why You’ll Love This Recipe

This casserole checks all the boxes: warm, simple, filling, and family-approved. It’s a one-dish wonder that’s endlessly adaptable. Make it with homemade or store-bought meatballs, leftover mashed potatoes, or toss in veggies for a hearty twist. Whether you’re managing weeknight chaos or planning a relaxing meal at home, this recipe gives you easy prep and reliable flavor every time. With rich gravy, gooey cheese, and golden potato topping, it’s the kind of meal that brings everyone running to the table.


⏱️ Time Breakdown

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Total Time: 45 minutes
  • Servings: 6

📝 Ingredients List

  • 1 lb cooked beef or turkey meatballs (homemade or frozen)
  • 4 cups mashed potatoes (fresh or leftover)
  • 1 cup brown gravy (homemade or store-bought)
  • 1 cup shredded cheddar or mozzarella cheese
  • Salt & pepper to taste

✨ Kitchen Tools You’ll Need

This recipe doesn’t require fancy gadgets, just a few reliable kitchen basics to keep everything simple and stress-free.

  • Large skillet or frying pan
  • Sharp knife
  • Cutting board
  • Measuring cups & spoons
  • Mixing bowls
  • Wooden spoon or spatula
  • 9×13-inch baking dish

👩‍🍳 Step-by-Step Instructions

1. Preheat & Prep
🔥 Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.

2. Cook Meatballs
If frozen, cook meatballs per package. Homemade? Pan-fry or bake until golden brown.

3. Make Mashed Potatoes
Boil, mash, and season potatoes. Use leftovers? Warm and mix in a little milk or butter for creaminess.

4. Heat Gravy
Warm your gravy on the stove and season if needed (garlic/onion powder add a flavorful kick!).

5. Assemble
Layer meatballs in the dish. Pour gravy over top. Spread mashed potatoes evenly over the meatballs. Sprinkle shredded cheese generously.

6. Bake
Bake for 25–30 minutes or until bubbly and golden. Cheese should be melted and edges lightly crisp.

7. Serve 🧀🥔🥣
Garnish with chopped parsley or chives. Serve hot and enjoy!


💡 Pro Tips

  • Storage: Refrigerate leftovers for 3–4 days or freeze up to 3 months.
  • Meal Prep: Assemble and refrigerate up to 2 days ahead.
  • Substitutions: Use mashed cauliflower for low-carb or plant-based meatballs for vegetarians.
  • Serving Ideas: Add sautéed mushrooms or steamed broccoli for extra goodness.

📊 Nutrition Table

Serving SizeCaloriesProteinCarbsFatFiberSugar
1 plate45030g32g24g6g4g

Disclaimer: Nutrition facts are estimated using online tools and may vary based on your ingredients and preparation. Please consult a nutritionist for precise dietary advice.

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