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!. Online shopping from a great selection at Books Store.. Whoopie Pie Recipes Looking for whoopie pie recipes? Allrecipes has more than 20 trusted whoopie pie recipes complete with ratings, reviews and baking tips.. L.D. 71, officially known as "An Act to Designate the Whoopie Pie as the State Dessert", read "The whoopie pie, a baked good made of two chocolate cakes with a creamy frosting between them, is the official state dessert".. Beat the butter and sugar in an electric mixer on high speed until light and fluffy. Beat in the egg, followed by the vanilla and buttermilk. Reduce speed to low, add dry ingredients and beat until combined.. £0.00 Add to Cart. Not Whoopie pie; Share on Facebook Twitter Google + Whoopie pie. Share on Facebook Twitter Google + 8-12p. 30 min . Ingredients . 1 ¼ cup of sieved flour ¾ cup of chocolate or cocoa powder ½ teaspoon of bicarbonate coffee Salt 9 soup spoons of melted butter 2/3 cup of brown sugar 1 egg For the filling: 4 soup spoons of softened butter (room temperature) 1 .