Cupcakes!: From the Cake Mix Doctor

The cupcake is America’s darling. It’s celebrated in upscale bakeries, on Sex in the City, on the cover of Gourmet, and in thou-sands of classrooms—where every day, it seems, a parent has sent in a batch for the kids to share. The very word conjures up whimsy, coziness, pleasure, nostalgia. Not to mention the fact that their diminutive size means you can eat a lot of them.

Once upon a time, a family had only two recipes for cupcakes—chocolate and vanilla. Not anymore. Now Anne Byrn brings...