01 -
Set your oven temperature to 375°F (190°C) and lightly grease a 9x13 inch dish.
02 -
In a big bowl, gently combine the pork, beef, onion bits, breadcrumbs, milk, egg, Worcestershire sauce, salt, pepper, and garlic powder. Mix it just enough to bring it together—don't go overboard.
03 -
Take the meat mixture and press it down in your dish, spreading it evenly.
04 -
Spread mashed potatoes evenly over the meat. Then sprinkle cheddar, bacon bits, and green onions over the top.
05 -
Bake for 35 to 40 minutes, checking that the cheese bubbles and the meat is cooked through. Before serving, let it rest for about 10 minutes.