1. mix the butter and cream cheese together. Then add 80 g sugar, vanilla sugar and one egg yolk. Then stir in a mixture of flour and baking powder.
2. roll out the dough between two layers of cling film, then remove the top film. Brush the dough with melted butter and sprinkle generously with a mixture of cinnamon and sugar.
3. roll up the dough rectangle from the narrow side, roll in cinnamon sugar and wrap in cling film. Then chill the dough for 3 hours.
4. preheat the oven to 180 °C and prepare a baking tray. Roll out the dough, cut into slices and place on the baking tray.
5. bake the biscuits for about 12 minutes until golden brown.
(makes about 40 cinnamon bun biscuits)