Ingredients for the dough: Yeast, 550g flour, 0.25l milk, 200g butter, 150g sugar, 1 egg, 1 egg yolk, 1 pkg vanilla sugar, 1ts cardamom, a little bit of salt and lemon zest Ingredients for Stef's special filling: Grinded dark chocolate, sugar, cinnamon, grinded nuts, butter Make dough and let it…