Candace Nelson ’96, co-founder of Sprinkles, the first cupcake-only bakery, is one of three judges - and one of two permanent judges, along with Florian Bellanger, chef and co-owner of online macaroon company MadMac - of Cupcake Wars. The show, a new baking competition on the Food Network, airs Tuesdays at 9 p.m. EST, and features four of the country’s top cupcake bakers facing off in three elimination challenges. Leah Douglas, summer intern at Serious Eats, posts a blog on Cupcake Wars, which begins: “Have you ever looked at a small, beautiful cupcake and thought, ‘The preparation of this cupcake…