1. Boil together all ingredients in a medium to large saucepan over medium-high heat for 12 minutes, stirring constantly.
2. Pour, then spread on cake while frosting is still warm.
3. Let set up for a few minutes before serving (sets up faster if you cover it and place it in the fridge).
I used this for my German Chocolate wedding cake and it was a big hit! No one believed it was vegan.