What is the hardest cookie to make?

Baumkuchen translated literally this is the tree cake. Called the Tree Cake because of the Layers that look like the rings of a tree. Actually it is quite easy except you must you must have a special or custom made apparatus to produce. See video of a cake being made.

YouTube.com/watch?v=je47wA-QvJw&feature=related">http://www.YouTube.com/watch?v=je47wA-QvJw&feature=related