Chocolate Whoopie Pie Cake  (This is a recipe my mother found in an old church cookbook when I was a child and she has been using it ever since) If you are a fan of whoopie pies, like me, but not a fan of making them, then you are going to love this recipe. This Chocolate Whoopie Pie Cake is so easy to make and only bakes for about 15 minutes. The hardest part about making one of these cakes is flipping the one cake on top of the other. You have to wait until both cakes are cooled then spread the icing on one cake and flip the other…