Sunday 24th November is stir-up Sunday. Get your ingredients together now and get ready to make a wish! This is quite definitely the best and, like the Christmas cake, has been made and loved by a cast of thousands over forty years. If you’ve never made a Christmas pudding, please don’t be put off by the eight hours’ steaming – it isn’t any work, it just sits happily on its own getting the long slow cooking which is what gives it such wonderful flavour and character. If you can't get barley…