FAQsWhat is a Cheesy Loaded Meatloaf Casserole made of?

At its core, a loaded meatloaf casserole includes seasoned ground beef, creamy mashed potatoes, cheddar cheese, and crispy bacon. Many versions also add onions, garlic, and breadcrumbs to the meat mixture for structure. The layers come together like a savory pie—each bite delivering beefy, cheesy comfort. You can even add green onions, sour cream, or extra cheese to the potato layer for a deluxe loaded mashed potato meatloaf casserole experience.

Can I use leftover meatloaf for casserole?

Absolutely. Using leftover meatloaf is one of the easiest ways to build this dish. Just crumble or slice it, place it as the bottom layer, and build the mashed potatoes and cheese layers on top. It’s a smart way to reduce waste and transform leftovers into something brand new and delicious. For another great way to reinvent classic dishes, check out how this beef Lombardi casserole layers bold flavors beautifully.

How do you keep Cheesy Loaded Meatloaf Casserole from drying out?

The key is to bake it in stages. Start covered for the first 25 minutes to trap steam, which keeps the meat moist. Finish uncovered so the cheese can brown. You can also brush a light layer of sauce over the meat for added moisture, and be careful not to overbake—35 to 40 minutes at 375°F is the sweet spot.

What cheese works best in Cheesy Loaded Meatloaf Casserole?

Sharp cheddar is the go-to for this easy cheesy loaded meatloaf casserole , thanks to its meltability and rich flavor. But you’re not limited to cheddar! Try mozzarella for a stretchier texture, pepper jack for heat, or Colby jack for a balanced blend. For a smoky twist, use gouda or smoked provolone. Just be sure to use cheeses that melt well and suit your family’s taste.

Cheesy Loaded Meatloaf Casserole – 1 Ultimate Family Classic

Ingredients

Scale

1.5 lbs ground beef (80/20)
1 egg
1/2 cup breadcrumbs
1 small onion, diced
2 cloves garlic, minced
1 tbsp Worcestershire sauce
3 cups mashed potatoes
2 cups shredded cheddar cheese
6 slices cooked bacon, crumbled
Salt and pepper to taste

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Instructions

Preheat oven to 375°F.
In a large bowl, combine ground beef, egg, breadcrumbs, diced onion, minced garlic, Worcestershire sauce, salt, and pepper.
Press the meat mixture into the bottom of a greased 9×13” baking dish.
Spread mashed potatoes evenly over the meat layer.
Sprinkle shredded cheddar cheese generously on top of the potatoes.
Add a final layer of crumbled bacon across the top.
Cover with foil and bake for 25 minutes.
Remove foil and bake for another 10–15 minutes until cheese is melted and bubbly.
Broil for 2–3 minutes if you want a golden, crispy cheese top.
Let rest for 5 minutes, then serve and enjoy!

Notes

Leftover meatloaf or mashed potatoes work great in this recipe.
Add sour cream and green onions to the potatoes for a loaded mashed potato meatloaf casserole twist.
Try pepper jack or Colby jack cheese for variation in flavor.
You can prepare and refrigerate this dish up to 2 days in advance before baking.

Author: Paula
Prep Time: 15 minutes
Cook Time: 40 minutes
Category: Dinner
Method: Baking
Cuisine: American