Preheat oven 325. In a bowl, mix by hand the ground beef,soup mix, egg, bread crumbs, salt, pepper and milk. In a skillet add some olive oil to pan, then turn on med. heat. Take the meat mixture form into oblong patties, make 4-6 patties. Now coat each pattie with the flour mixture on all sides and brown on each side in the skillet a couple patties at a time, adding more olive oil as need. Put each pattie in a greased baking pan after they are nicely brown. Now add sliced onions and mushrooms to pan cook until soft, Add beef base and water to make a nice gravy, add to beef patties, cover with foil and bake for 1 hour. Great served with mashed potatoes and fresh green peas!!!!