Marble in Reverse with Custom Rose Blend Ganache Glaze

Most marble cakes are yellow cake with swirls of chocolate. Woody and I envisioned the reverse—a chocolate cake with swirls of yellow cake. The most unusual feature is that there is no need to marble the batters, as the natural convection of the baking process creates attractive zebralike swirls. The glaze could well be the most luscious of all ganache. It is my custom blend of white and dark chocolate, and the result is a milk chocolate that is per