A recipe for a whoopie pie made with orange soda and vanilla cream. Source: Bakaholic Mama‘s version had only three ingredients. My version has just six.. Fresh and zesty orange buttercream sandwiched between deeply chocolatey and velvety sponge. This recipe for Chocolate Orange Whoopie Pies is from Amy-Beth Ellice’s Amy’s Baking Year and it is GOOD.. Ever heard of a whoopie pie? They're a bit like a macaroon but with a more cake-like texture. Hugely popular Stateside, the name comes from when Amish women would put them in farmers' lunchboxes and they'd supposedly shout 'whoopie' if they found one in their box!. 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.. For an extra-special touch, mix powdered sugar with a small amount of milk to drizzle on the finished whoopie pies. For a thicker consistency, refrigerate the filling for 30 minutes before assembling the whoopie pies.. Orange Creamsicle Whoopie Pies These Orange Creamsicle Whoppie Pies were born from a flavor memory….Notice how certain flavors can evoke strong memories? I grew up in Southern California, surrounded by Citrus… oranges, lemons, limes and funny little kumquats..