Go big with this super-sized whoopie pie, made with Betty’s SuperMoist devil’s food cake mix and filled with a vanilla-and-marshmallow crème mixture. Ganache might sound complicated, but all it takes is whipping cream, baking chocolate and a gentle touch!
King Arthur Flour's Original Cake Pan Cake: King Arthur Flour [UPDATE: Hey, look, an accidentally vegan KAF recipe! This was really, really tasty--especially with double-dutch dark cocoa powder. Would definitely make again.