Fall in love with this easy recipe for whoopie pies. Two light discs of chocolate sponge sandwich a fluffy vanilla buttercream filling. Perfect for cake sales, packed lunch treats or making friends at the office!. KAISER 12-Cup Whoopie Pie Baking Pan 38 x 27 cm Creativ Very Good Non-Stick Coating Short Baking Time for Sweet and Savoury Recipes. Find great deals on eBay for whoopie pie maker. Shop with confidence.. the cake halves are knitted in the round the cream filling uses i cord technique some sewing required to assemble. Heat oven to 180C/160C fan/gas 4 and line baking trays with parchment. Mix flour, cocoa, bicarb, sugar and a pinch of salt. Whisk the egg, oil and buttermilk together, then mix into dry ingredients with 75ml boiling water.. Whoopie Pie Recipes Looking for whoopie pie recipes? Allrecipes has more than 20 trusted whoopie pie recipes complete with ratings, reviews and baking tips..