When Sarah Levy opened her own sweet shop, Sarah's Pastries and Candies, in 2004, she was only 24 years old. She already had years of training and experience at this point, however, and she turned Chicago-based Sarah's into one of USA Today's Top Ten Candy Stores in the nation. Since then, Levy has gone on to even greater success: from winning the Food Network Challenge with a three-foot tall dinosaur-shaped cake to becoming the...