1. Preheat Oven:

• Preheat your oven to 350°F (175°C).

• Lightly grease a 9×13-inch baking dish and set aside.

2. Prepare the Meatloaf Base:

• In a medium mixing bowl, combine ground beef, breadcrumbs, garlic powder, onion powder, salt, and pepper.

• Mix until just combined—avoid overmixing.

• Press the mixture evenly into the bottom of the prepared baking dish to form a meatloaf layer.

3. Make the Cheddar Shells:

• In a separate bowl, combine the cooked pasta shells, shredded cheddar cheese, condensed tomato soup, and milk.

• Stir until fully coated and creamy.

4. Assemble the Casserole:

• Spread the cheddar shell mixture evenly over the raw meatloaf layer in the baking dish.

5. Bake:

• Cover the dish with foil and bake for 30 minutes.

• Remove the foil and continue baking for an additional 10–15 minutes, or until the casserole is bubbly, the cheese is melted, and the beef is cooked through.