Preheat the oven to 340˚F. Lightly spray a springform pan.
In a medium bowl, mix together the flours, cocoa powder, sugar and baking powder. In a separate bowl, mix together the butter, egg, milk and vanilla. Slowly combine the wet ingredients with the dry ingredients util fully combined.
Pour mixture into the springform pan and bake for 30 minutes until a toothpick inserted comes out clean.
Remove from oven and let cool on a wire rack.
When cool, cut into two circles and coat with the frosting. Decorate with chocolate chips and chocolate fingers.