Jansson's temptation is a classic Swedish dish that is especially popular on the Christmas smorgasbord. But it works just as well at other celebrations too. It's a creamy potato gratin, where cream marries with anchovies, which gives a unique and lovely flavour. Zofia Selimi, @zofias_kok (Instagram), is a food creator with Balkan roots. She cooks food from all over the world – from her grandmother's Roma recipes to classic Swedish dishes. This is Zofia's recipe for Jansson's temptation. Please n