Cheesy Loaded Meatloaf Casserole

This Cheesy Loaded Meatloaf Casserole is the perfect comfort-food mashup—savory, hearty meatloaf topped with creamy mashed potatoes, melty cheddar, and crispy bacon. It’s a weeknight-friendly bake that feels special enough for a cozy weekend dinner. With its layered, all-in-one approach, it’s great for using up leftover mashed potatoes while delivering big, crowd-pleasing flavor. Serve it with a simple green salad or steamed veggies to round out the meal. This dish also reheats beautifully, making it ideal for meal prep or next-day lunches.

Ingredients

• 1 pound lean ground beef
• 1/2 cup finely chopped white onion
• 3 cloves garlic, minced
• 2 tablespoons brown sugar
• 1 tablespoon Worcestershire sauce
• 1 cup Italian breadcrumbs
• 1 large egg
• 3 cups leftover garlic mashed potatoes
• 1 1/2 cups grated sharp cheddar cheese
• 1/3 cup cooked and crumbled bacon or bacon bits
• Kosher salt and freshly ground pepper, to taste

Directions

1. Preheat oven to 400°F.
2. Combine ground beef, onion, garlic, brown sugar, and Worcestershire sauce in a large bowl.
3. Season with salt and pepper, then mix in the breadcrumbs and egg.
4. Press the meat mixture into an even layer in an 8-inch square baking dish.
5. Spread mashed potatoes evenly over the meat layer.
6. Top with cheddar cheese and bacon.
7. Cover with foil and bake for 30 minutes.
8. Remove foil and bake 10–15 minutes more, until cheese is melted and bubbly.

Prep Time: 15 minutes | Cooking Time: 40 minutes | Total Time: 55 minutes
Kcal: ~420 kcal per serving | Servings: 6

Tips

• For extra flavor, mix a small handful of cheddar directly into the mashed potatoes before layering.
• Let the casserole rest 10 minutes before slicing so it holds together neatly.

FAQ

Can I use instant mashed potatoes?
Yes—prepare them thick so they sit nicely on top of the meat mixture.

Can I swap the beef for another protein?
Ground turkey or pork works; just adjust seasoning to taste.

Can this be assembled ahead of time?
Yes, assemble up to a day ahead, cover, and refrigerate. Add 5–10 minutes to the baking time.

Can I freeze leftovers?
Absolutely. Freeze portions airtight for up to 2 months and reheat in the oven.