Loaded Meatloaf Casserole Recipe
If you’re craving the ultimate comfort food mashup for dinner, look no further than this warm, cheesy Loaded Meatloaf Casserole. It’s like a hearty shepherd’s pie and a classic meatloaf joined forces for an all-in-one, crowd-pleasing dish. Packed with savory beef, creamy mashed potatoes, melty cheddar, and a crispy bacon topping, this casserole is an irresistible family favorite that will make you want to dig in for seconds—and maybe even thirds!

Ingredients You’ll Need
Everything you need for this Loaded Meatloaf Casserole might already be in your kitchen. Each ingredient is simple but absolutely essential, coming together to deliver rich flavors, savory textures, and a beautiful golden top that’s tough to resist.
- Mashed potatoes: Creamy, garlicky mashed potatoes form an ultra-comforting top layer and are a clever way to use up leftovers.
- Lean ground beef: A pound of ground beef lays the hearty foundation—using lean beef keeps things rich without too much grease.
- White onion, finely chopped: Onions add a subtle sweetness and moisture that highlights the beef.
- Garlic, minced: Minced garlic boosts the savory profile and gives the dish a wonderful aroma.
- Brown sugar: This touch of sweetness helps balance the meatiness and gives depth to the casserole.
- Worcestershire sauce: Just a tablespoon, but it packs a punch with salty, umami notes that bring everything together.
- Italian breadcrumbs: Breadcrumbs bind the filling and add a faint herby backnote.
- Egg: The secret glue—egg helps hold the meatloaf layer together so every portion slices neatly.
- Sharp cheddar cheese, grated: A generous sprinkling gets bubbly and golden in the oven, delivering gooey, cheesy bites in every forkful.
- Bacon, cooked and crumbled (or bacon bits): Bacon takes this dish from “yum” to “WOW”—salty, crunchy, and full of flavor.
- Kosher salt and freshly ground black pepper: Don’t forget to season! Salt and pepper enhance every other ingredient.
How to Make Loaded Meatloaf Casserole
Step 1: Preheat and Prep
Set your oven to 400º F and let it heat up while you start getting things ready. Greasing your baking dish or lining it with a quick swipe of oil will make serving much easier (and cleanup a breeze).
Step 2: Mix the Meatloaf Base
In a large bowl, combine the ground beef, onions, minced garlic, brown sugar, and Worcestershire sauce. Use a pair of forks or your hands and blend gently until everything is well distributed. Season the mixture generously with salt and pepper. Finally, add the breadcrumbs and egg, and combine just until mixed—overmixing can make the base tough, so keep it gentle.
Step 3: Layer and Assemble
Press the meatloaf mixture into an even layer in your 8-inch square baking dish. This gives your Loaded Meatloaf Casserole its deliciously solid base and ensures every bite gets a bit of everything. Next, carefully spread the mashed potatoes right over the top, smoothing them out all the way to the edges.
Step 4: Top with Cheese and Bacon
Generously sprinkle the grated cheddar cheese over the mashed potato layer, then finish with a heavy handful of crumbled bacon or bacon bits. This is where that signature Loaded Meatloaf Casserole “loaded” flavor set really shines!
Step 5: Bake to Perfection
Cover the casserole with aluminum foil and bake for 30 minutes so everything heats through and starts to meld beautifully. Remove the foil and return it to the oven for another 10 to 15 minutes, just until the cheese is gooey, bubbly, and flecked with golden brown spots. Once out of the oven, give it a few minutes to set before scooping or slicing in!
How to Serve Loaded Meatloaf Casserole

Garnishes
Sprinkle your dish with freshly chopped parsley or green onions for a pop of color and extra layer of freshness. A little more crumbled bacon or even a handful of crispy fried onions on top will add extra crunch and visual appeal.
Side Dishes
This casserole is hearty enough to stand on its own, but pairing it with a vibrant green salad, steamed green beans, or some roasted vegetables brings balance and makes dinner feel special. If you’re really in the comfort zone, warm dinner rolls never hurt!
Creative Ways to Present
If you want to impress, serve individual portions in ramekins for dinner parties or scoop the casserole into hollowed-out bell peppers before the final bake for a fun twist. You can even top each serving with a dollop of sour cream or a sprinkle of chives for a loaded baked potato vibe.
Make Ahead and Storage
Storing Leftovers
Once cooled, packed leftovers of Loaded Meatloaf Casserole can be stored in an airtight container in the fridge for up to four days. It keeps beautifully, and the flavors often get even better as they meld.
Freezing
This casserole is made for batch cooking! Simply let the baked casserole cool completely, then cover tightly and freeze for up to two months. For best results, store in a freezer-safe baking dish for an easy reheat straight from frozen.
Reheating
To reheat, cover with foil and warm in a 350º F oven until heated through (about 20 to 25 minutes if thawed, 40 to 50 if frozen). For quick lunches, microwaving individual portions works too—just make sure everything is steaming hot before you dig in.
FAQs
Can I use instant mashed potatoes instead of homemade?
Absolutely! Instant mashed potatoes work well in a pinch, but if you have leftover homemade garlic mashed potatoes, they’ll give the Loaded Meatloaf Casserole an even richer, creamier finish.
How can I make it gluten-free?
It’s easy! Just swap the Italian breadcrumbs for your favorite gluten-free alternative, and double-check that your Worcestershire sauce and bacon are gluten-free. Everything else is naturally gluten-free.
What other protein can I use besides ground beef?
Feel free to substitute ground turkey, chicken, or even a plant-based meat alternative for a lighter or vegetarian twist—the Loaded Meatloaf Casserole is quite adaptable and stays flavorful!
Can I prep this casserole ahead of time?
Definitely! Assemble the casserole through the cheese and bacon topping, cover tightly, and store in the fridge for up to 24 hours before baking. Just tack on an extra 5 to 10 minutes of baking time if you’re starting from cold.
Is this recipe good for meal preps or potlucks?
This dish is made for make-ahead meals and sharing! It travels well, reheats beautifully, and always draws rave reviews. Just keep it covered and warm until ready to serve at your gathering.
Final Thoughts
If comfort food is calling your name, you absolutely have to try this Loaded Meatloaf Casserole. It’s the kind of easy, hearty recipe you’ll rely on again and again—delicious, flexible, and guaranteed to please everyone at your table. Enjoy!
PrintLoaded Meatloaf Casserole Recipe
This Loaded Meatloaf Casserole is a hearty and comforting dish that combines the flavors of classic meatloaf with creamy mashed potatoes and gooey cheddar cheese. It’s a perfect way to use up leftover mashed potatoes and create a satisfying meal for the whole family.
- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour
- Yield: 6 servings 1x
- Category: Main Dish
- Method: Baking
- Cuisine: American
- Diet: Non-Vegetarian
Ingredients
For the Meatloaf:
- 1 pound lean ground beef
- 1/2 cup white onion, finely chopped
- 3 cloves garlic, minced
- 2 tablespoons brown sugar
- 1 tablespoon Worcestershire sauce
- 1 cup Italian breadcrumbs
- 1 large egg
- Kosher salt and freshly ground pepper, to taste
For the Topping:
- 3 cups leftover (garlic) mashed potatoes
- 1 1/2 cups sharp cheddar cheese, grated
- 1/3 cup bacon (cooked and crumbled) or bacon bits
Instructions
- Preheat oven to 400º F.
- Season generously with salt and pepper, then work in breadcrumbs and egg.
- Transfer ground beef to an 8-inch square baking dish and press it into an even layer.
- Spread mashed potatoes on top of ground beef mixture, then top with cheddar cheese and bacon bits.
- Cover baking dish with aluminum foil, then place in oven.
- Bake for 30 minutes, then remove aluminum foil and bake for another 10-15 minutes, or until cheese is melted and bubbly.
In a large bowl, combine ground beef, onion, garlic, brown sugar, and Worcestershire sauce using two forks or your hands.
Notes
- This casserole reheats well and makes for delicious leftovers.
- Feel free to customize the toppings with your favorite ingredients like green onions or jalapeños.
Nutrition
- Serving Size: 1 serving
- Calories: 485 kcal
- Sugar: 4g
- Sodium: 670mg
- Fat: 28g
- Saturated Fat: 13g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 25g
- Fiber: 2g
- Protein: 31g
- Cholesterol: 140mg
Keywords: Meatloaf Casserole, Loaded Casserole, Comfort Food, Leftover Recipe