Beef Stroganoff

1/2 lb beef steaks or 1/2 lb roast, cubed into stewing meat 2 tablespoons olive oil 1 lb sliced mushrooms 1/2 cup chopped onion 1 garlic clove 2 tablespoons[...]

750 g sirloin beef salt & freshly ground black pepper 1 tablespoon plain flour 60 g butter 2 medium onions , halved and thinly sliced 250 g button mushrooms ,[...]