Grind the butter with sugar, vanilla sugar, add eggs to it and beat.
Add flour with baking powder to the butter, knead the dough.
Divide the finished dough into two parts, add cocoa in one.
Roll two types of dough the same size.
Connect the two types of dough and roll. Put in the freezer for 15 minutes. Then cut into slices about 1 cm thick.
Place cookies on a greased baking sheet or covered with parchment.
7. Stage Bake at 180 degrees for approximately 20 minutes.
Serpentine cookies are very tender, crumbly, beautiful and tasty. Cooking such cookies is very simple and fairly quick, it is perfect for meeting guests and just to please relatives. About 25 cookies are obtained from these ingredients. Add sugar to your taste; vanillin can be replaced with cinnamon.