This cake is completely OFF LIMITS for a chocoholics anonymous meeting. It is dark chocolate cake with a dark chocolate ganache frosting. Waoe.
1 1/2 Cups (3 sticks) unsalted Butter, plus more for pans
Heat oven to 350 degrees. Arrange two racks in center of oven. Butter two 9-by-3-inch round cake pans; line bottoms with parchment. Dust bottoms and sides of pans with cocoa powder; tap out any excess. Sift cocoa into a medium bowl, and whisk in boiling water. Set aside to cool.