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 . 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!. 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.. The whoopie pie is the official state treat of Maine (not to be confused with the official state dessert, which is blueberry pie).  Gob [the term indigenous to the Pittsburgh region] has been trademarked by the Dutch Maid Bakery in Johnstown.. Chocolate whoopie pies are an American favourite that you can now create at home with this easy to follow, delicious and simple recipe from Jamie Oliver.. Bird-in-Hand Bake Shop Homemade Whoopie Pies, Chocolate, Favorite Amish Food (Pack of 12).