Chocolate cake with cocoa glaze

One look at the list of cakes I’ve posted so far and you will see that chocolate cakes are not very popular around here (and we’re talking almost 5 years of blogging, people); lemon (surprise!), apple and banana are the usual suspects. But the photo of this cake on Rose's book made me really curious about it: the shiny, dark glaze looked so beautiful. Almost supernatural. I had to make it