Preheat oven to 350 degrees
Heat oil in skillet. Dredge steaks in flour. Brown steaks in oil.
Place layer of sliced onions in pan. Place steaks in pan and onions on top of them. Can layer them.
Pour Worcestershire sauce and beef stock over steaks.
Cover with foil and bake for 2 hours
Remove steaks and thicken sauce to a gravy and serve with rice or potatoes.