The MasterChef presenter embarks on a festive adventure around Europe to learn how the humble market stall has become such a key staple of Christmas, both in Britain and around the world. In Vienna he finds out about the Christmas market's origins and the ingredients that make them such special places, from mulled wine to hand-made decorations. He also reveals how the UK's Christmas traditions travelled from this part of Europe, with the help of Queen Victoria's husband Prince Albert.