01 -
Preheat oven to 375°F (190°C).
02 -
In a bowl, combine ground beef, onion, garlic, breadcrumbs, milk, egg, Worcestershire sauce, salt, and pepper. Press the mixture into the bottom of a greased baking dish.
03 -
Spread ketchup over the top of the meatloaf.
04 -
Bake for 25 minutes.
05 -
Meanwhile, boil the sliced potatoes until tender, about 15 minutes. Drain and mash with sour cream, milk, and butter. Season with salt and pepper.
06 -
Spread the mashed potatoes over the partially cooked meatloaf. Sprinkle with cheddar cheese and green onions.
07 -
Return to the oven and bake for another 20 minutes, or until the cheese is melted and bubbly.
08 -
Let the casserole rest for 10 minutes before serving.