Roll out the dough and cut circles with optional size (or other forms). Bake in the oven for 20 minutes at 200 C. The butter melts, add planed chocolate liquor and cocoa. The resulting homogeneous mixture was cooled slightly. It puts less of 2/3 of the circles. Then two-coated rings are placed on each other, the top placed third - not oiledo circle and all are covered with chocolate. Cool in the refrigerator for 1-2 hours. When serving for decoration can be squirted cream.