Mix the sugar and 150 gr of the butter together.
Add the cinnamon powder, and mix. Add the sour cream, dried fruits and the nuts and mix well.
In another bowl mix the flour and the baking powder together, and mix well with the batter. If the dough is sticky add more flour, and if it is to dry add some milk and mix again.
Let the dough rest for 1 hour.
Make small rolls of the dough, and place them on baking paper on a baking sheet.
Preheat the oven at 180 degrees Celsius.
Place the cakes in the middle of the oven for 15 minutes.
Melt the rest of the butter and brush the cakes just at the end.
Dip the cakes in the icing sugar, and the let them on a baking rack to cool down.