Marmorkage (Marble Cake) Recipe

I actually made this last month for the local American Legion Cake Raffle.  I bake a cake a couple times a month, donate it for their cake raffle, which raises money to benefit local activities.  I'm told my cakes are a Hey, I like baking, and don't need to eat all that I bake, so I give it One of my favorite cakes growing up was a Marmorkage.  You might recognize it as a Marble Cake.  There was just something magical about the combo, rich dark chocolate and white cake together.   Traditionally it's not served with Ganache on top, but I figured a little more chocolate wouldn't Right?  There is no such thing as too much chocolate.  I think everyone should have at least one good marble cake recipe in their cooking…