Frosted Coconut Cake, Gluten-free

I copied down ingredients of this cake from a Martha Stewart Living Show years ago.  I have since adapted it to be sugar-free, egg, gluten, and dairy-free.  Her original recipe called for 1 1/2 cups flour, 3 eggs, 1/2 cocoa, and 1 cup of honey. I substituted gluten-free flours (along with zanthum gum), and cut [...]