Amirah Kassem, The Fashion Set's Cake Boss

Photographed by Winnie Au "I grew up in Mexico, playing in the kitchen with my mom and my grandmother," says Amirah Kassem, as she adds yet another layer of buttercream frosting to a cake that looks like a 3-foot-tall ice-cream cone. "Little did I know that all that would wind up being relevant in the fashion industry. All I did was replace swatches for food coloring and sketches for flour sculptures. Oh, and I still get to go to all the parties!"As a matter of fact, after founding Flour Shop, K...