Tasty Loaded Potato Meatloaf Casserole

Why You’ll Love This Recipe

This casserole combines rich, savory meatloaf with the creamy goodness of loaded mashed potatoes, creating a well-balanced, satisfying dish. It's a complete meal in one pan, making it ideal for busy weeknights, Sunday dinners, or meal prepping. Plus, the familiar flavors make it a hit with both kids and adults.

Ingredients

(Tip: You'll find the full list of ingredients and measurements in the recipe card below.)

Meatloaf Layer
1 ½ pounds ground beef
1 onion, finely chopped
2 cloves garlic, minced
½ cup breadcrumbs
¼ cup whole milk
1 large egg
1 tablespoon Worcestershire sauce
1 teaspoon kosher salt
½ teaspoon freshly ground black pepper
½ cup ketchup

Potato Layer
2 pounds potatoes, peeled and sliced
½ cup sour cream
¼ cup whole milk
2 tablespoons unsalted butter
1 cup shredded cheddar cheese
¼ cup chopped green onions
Salt and freshly ground black pepper, to taste

Directions

1. Preheat the oven to 375°F (190°C).

2. In a large bowl, mix together ground beef, chopped onion, minced garlic, breadcrumbs, milk, egg, Worcestershire sauce, salt, and pepper until well combined.

3. Press the meat mixture evenly into the bottom of a greased 9x13-inch baking dish.

4. Spread the ketchup evenly over the top of the meatloaf layer.

5. Bake for 25 minutes.

6. While the meatloaf is baking, boil the sliced potatoes in a large pot of salted water for about 15 minutes, or until tender. Drain thoroughly.

7. Mash the cooked potatoes with sour cream, milk, and butter until smooth. Season with salt and pepper to taste.

8. Carefully spread the mashed potatoes over the partially baked meatloaf.

9. Sprinkle the cheddar cheese and chopped green onions evenly over the mashed potatoes.

10. Return the casserole to the oven and bake for an additional 20 minutes, until the cheese is melted and bubbly.

11. Remove from the oven and let rest for 10 minutes before serving.

Servings and timing

Yield: 8 servings
Prep Time: 25 minutes
Cook Time: 45 minutes
Total Time: 1 hour 10 minutes

Variations

• Spicy Kick: Add chopped jalapeños to the mashed potato layer or mix hot sauce into the meat mixture.

• Turkey Swap: Substitute ground turkey for a leaner option.

• Loaded Style: Mix in cooked peas, corn, or carrots into the mashed potatoes for added veggies.

• Cheese Variety: Try using a mix of mozzarella, Monterey Jack, or pepper jack instead of cheddar.

Storage/Reheating

Storage: Store leftovers in an airtight container in the refrigerator for up to 4 days.

Reheating: Reheat individual portions in the microwave for 1–2 minutes or until heated through. To reheat the whole casserole, cover with foil and warm in a 350°F oven for about 20–25 minutes.

FAQs

How do I know when the meatloaf layer is fully cooked?

The internal temperature of the meatloaf layer should reach 160°F (71°C) when fully cooked.

Can I make this casserole ahead of time?

Yes, you can assemble the entire casserole a day ahead, cover, refrigerate, and bake when ready.

Can I freeze this casserole?

Yes. Allow it to cool completely, wrap tightly, and freeze for up to 2 months. Thaw in the refrigerator overnight before reheating.

Can I use instant mashed potatoes?

While homemade mashed potatoes offer the best texture and flavor, you can use instant in a pinch.

What can I use instead of breadcrumbs?

You can substitute crushed crackers, rolled oats, or even cooked rice.

Is this recipe gluten-free?

Not by default, but you can make it gluten-free by using gluten-free breadcrumbs and checking that all other ingredients are certified gluten-free.

Can I use a different type of cheese?

Absolutely. Feel free to experiment with cheeses like gouda, Swiss, or a Mexican blend.

What side dishes go well with this casserole?

A green salad, roasted vegetables, or steamed broccoli complement this casserole nicely.

Can I add vegetables to the meat layer?

Yes, finely chopped bell peppers, carrots, or mushrooms can be mixed into the meat for added texture and nutrition.

Why let the casserole rest before serving?

Resting allows the layers to set and makes it easier to slice clean portions without falling apart.

Conclusion

Loaded Potato Meatloaf Casserole is the kind of hearty, comforting meal that brings people together. With its layers of juicy meat, creamy mashed potatoes, and gooey cheese, it’s a satisfying dish you’ll want to make again and again. Whether for a weeknight dinner or a special family gathering, this casserole delivers big on flavor and comfort.