When a world-famous shoe designer walked into his surprise birthday party and saw the cake that was waiting for him -- a Manolo stiletto perched alluringly next to a tissue-filled shoebox -- it was his turn to ogle someone else's talent. The cake, created by Elisa Strauss of Confetti Cakes in New York City, was a sensation. Not only did everyone at the party want to know how it was made, they wanted to know how to create something as dazzling themselves...