Chestnut Puzzle Cake

This challenging cake is one of the desserts I made on the PBS television series Cooking at the Academy. Unfortunately, I think I made it look too easy. Do not feel bad if your cake does not look like the photograph on your first try. Just as some of my viewers learned the hard way — this cake takes practice before you can complete it comfortably. Perhaps I should have posted a warning: “For professionals only. Do not try this at home.” I received numerous letters, not to mention pho