Mix beef, half can of mushroom soup, onion, egg, bread crumbs parsley, salt and pepper.
Press into a greased 9 inch pie pan.
Bake at 350 for 25 minutes.
Mix mashed potatoes and other half of mushroom soup.
Place on top of cooked hamburger then sprinkle with bacon and cheese.
Bake for 15 minutes. Let sit for a few minutes and enjoy!