Mystery Chocolate Cake

My paternal grandmother would make this cake. I don't know where she got the recipe from but it was a piece of type writer paper that she kept folded inside her book of desserts. As kids we always wanted to know how the chocolate got to the bottom of the cake without merging with the rest of the cake. I still don't know! As kids we enjoyed it with the rich nut topping. Nowadays I like it just as is with a few nuts for decoration.