If you are unable to get Round Steak, London Broil can also be used. Tenderize meat.
Sprinkle with flour, salt and pepper; rub in. Brown meat in small amount of oil in fry pan. Place browned meat in 9x13-inch baking pan.
Top with sliced onions and pour over stewed tomatoes. Discard excess oil in pan.
Add water to loosen brownings; pour over meat. Add water almost cover or to cover meat. Cover dish with foil and bake at 375 degrees for 1 to 1 1/2 hours until tender.