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!. The texture of these US imports is a cross between a cake and a biscuit. Whoopie pies are filled with marshmallow fluff which makes them guaranteed to be a hit with the kids!. large eggs, baking powder, pie, powdered sugar, table salt, table salt and 12 more Whoopie Pies Stork brown sugar, icing sugar, medium egg, Stork Tub, vanilla extract and 8 more. 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!. Atkins Diet Recipes: Low Carb Whoopie Pies (E-IF) **Order my first low carb cookbook- Low Carbing Among Friends, Volume 1 **Pre-order my newest low carb cookbook, Low Carbing Among Friends, Volume 3. 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..