Step-by-Step Instructions
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). Grease a 9×9-inch or similarly sized baking dish.
Step 2: Make the Meatloaf Layer
In a large mixing bowl, combine the ground beef, breadcrumbs, milk, egg, chopped onion, minced garlic, Worcestershire sauce, salt, pepper, and dried thyme (if using). Mix until well combined, but don’t overmix as it can make the meatloaf tough.
Press the meatloaf mixture evenly into the prepared baking dish. If you like, spread the 1/2 cup of ketchup over the top for added flavor. Bake the meatloaf layer for about 25-30 minutes, until the beef is cooked through.
Step 3: Prepare the Mashed Potatoes
While the meatloaf is baking, prepare the mashed potatoes. If using freshly boiled potatoes, peel and mash them. Stir in the sour cream, melted butter, shredded cheddar cheese, and green onions or chives. Season with salt and black pepper to taste.
Step 4: Assemble the Casserole
Once the meatloaf layer is cooked, remove it from the oven and carefully spread the mashed potatoes evenly over the top of the meatloaf.
Step 5: Add the Toppings and Bake
Sprinkle the shredded cheddar cheese, crumbled bacon, and chopped green onions over the mashed potatoes. Return the casserole to the oven and bake for an additional 10-15 minutes, or until the cheese is melted and bubbly.
Step 6: Serve and Enjoy
Let the casserole cool for a few minutes before slicing and serving. Enjoy this hearty, delicious meal with a side salad or steamed vegetables!
Cooking Notes:
- Meat Choice: Ground beef works well in this recipe, but you can substitute with ground turkey, chicken, or pork if you prefer a lighter option.
- Mashed Potatoes: You can use leftover mashed potatoes or instant mashed potatoes to save time.
- Cheese: Feel free to experiment with different cheeses, such as Monterey Jack or mozzarella, for a unique flavor.
Variations:
1. Barbecue Meatloaf Casserole
Swap the ketchup for your favorite barbecue sauce for a sweet and smoky flavor in the meatloaf layer.
2. Tex-Mex Casserole
Add 1/2 cup of corn and a dash of chili powder to the meatloaf mixture, and use pepper jack cheese for a Tex-Mex twist.
3. Veggie-Loaded Casserole
Add chopped carrots, bell peppers, or mushrooms to the meatloaf mixture for added texture and nutrition.
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