Cheesy Potato Casserole

Cheesy Potato Casserole 1lb ground beef 1/2 stick butter 2 small onion dice 1 c milk & 1 c water 1 can cheese soup 6 potatoes wash & slice Brown burger and onion drain put into 9/12 cake pan put slice potatoes on top burger put rest ingredients in sauce pan cook until butter is melted then pour over potatoes preheat oven 350 bake 45 minutes