San Francisco chocolatier Michael Recchiuti prepared the gooey marshmallow topping for this exquisite chocolate cake on a porch at Prather Ranch using just a hot plate and a hand-cranked beater. Recchiuti decorated the marshmallow with shards of his own graham crackers, but store-bought ones work just fine.
There's something to be said for a cake that you can whip up at 9 o'clock on a Friday night, after a serious doozy of a week, when you need some baking
