Blokey Chocolate Cake FTW!

How is this possible?  How can chocolate cake be blokey?  Guinness, that's how!  And oh, my god, this cake the last word in chocolate cakey goodness.  It is gloriously dark and damp, positively fudgy in the centre; velvety black-brown sunk slightly in the middle under the weight of its own gooey density, topped with whipped cream-cheese icing...mmm...