Is it a cake? Is it a cookie? With such deliciously soft and sweet cream-filled snacks, does it matter? The Internet is abuzz with recipes and stories of whoopie pie folklore, while customers everywhere are descending on bakeries in droves demanding these delectable treats. This adorable volume, the only cookbook devoted entirely to whoopie pies, features more than 40 mix-and-match recipes, including the classic chocolate with marshmallow cream and a range of bright flavour combinations such as red velvet, green tea, pumpkin with a tangy cream cheese filling and oatmeal with, yes, maple-bacon buttercream. With a puffy cover as soft as cake, plenty of colour photos and hand-drawn illustrations, dozens of DIY decorating instructions, fun facts and baking tips, Whoopie Pies will make a welcome addition to any baker's bookshelf.

Sarah Billingsley is a western Pennsylvanian who didn't get enough whoopie pies as a kid. Amy Treadwell was born in Massachusetts and raised on a steady diet of whoopie pies and franks and beans every Saturday night.