01 -
Preheat oven to 375°F. Grease a 9x13 inch baking dish.
02 -
Combine ground meats, onion, breadcrumbs, milk, egg, Worcestershire sauce, and seasonings. Mix until just combined.
03 -
Press meat mixture evenly into prepared baking dish.
04 -
Spread mashed potatoes over meat. Top with cheese, bacon, and green onions.
05 -
Bake for 35-40 minutes until cheese is bubbly and meat is cooked through.
06 -
Let casserole cool for a few minutes before slicing and serving.