Sarah Mountain joins the pod to talk about bringing her pastry expertise to the brand-new season of Harry Potter: Wizards of Baking. She shares how her grandfather motivated her culinary profession, the lessons she's discovered working in some of London's most distinguished kitchens, and why terrific desserts ought to taste simply as wonderful as they look. Plus, she puts a pastry chef's spin on renowned Harry Potter deals with in a game motivated by the Hogwarts Express…