Beef Stroganoff without tenders

3 tablespoons corn oil 1 pound beef top round or flank steak cut in small strips 1/2 pound mushrooms sliced 1 cup onion sliced 2 cups beef broth 1 tablespoon[...]

1 1/2 lbs round steaks or 1 1/2 lbs sirloin, 1/2 4 tablespoons butter 1/2 lb mushroom , sliced 1 medium onion , diced 2 cups beef stock 1 tablespoon[...]

1 1/2 lbs round steaks or 1 1/2 lbs sirloin, 1/2 4 tablespoons butter 1/2 lb mushroom , sliced 1 medium onion , diced 2 cups beef stock 1 tablespoon[...]