Originally the 'food of German kings', Stollen is now enjoyed all over the world. Here, we are sharing our home-made naturally leavened Sourdough Stollen version, created without any commercial yeast. Generously studded with rum-infused dried fruit and rolled with luxurious marzipan, Sourdough Stollen undoubtedly presents serious competition to even the best of the traditional British Christmas Cakes.