Mix ground beef, crumbs, onion, water and salt and pepper and pat into a 13 x 9-inch pan. Refrigerate overnight.
Cut into squares. Roll in flour and brown in oil. Put into a 13 x 9-inch pan. Mix mushroom soup and steak sauce in a saucepan and heat through. Pour over meat squares. Bake at 275° F for 1 1/2 hours.
Servings: