3 chocolate butter cake martha stewart Recipes

cake flour, salt, unsweetened dutch cocoa, plus more, unsweetened dutch cocoa, for pans, eggs, egg yolks, granulated sugar, unsalted butter, melted and cooled, plus more, unsalted butter, for pans, granulated sugar, water, kirsch, frozen black cherries, thawed and drained , juice reserved, sugar, kirsch, cornstarch, heavy cream, semisweet chocolate, finely chopped, cold heavy cream, sugar, good quality instant espresso powder , dissolved in 2 tsp of water

unsalted butter, room temperature, plus more for pan, cake flour (not self-rising), baking powder, salt, sugar, eggs, room temperature, pure vanilla extract, buttermilk, room temperature, dutch-processed cocoa powder , plus, dutch-processed cocoa powder, sugar , sifted, milk, white chocolate, melted and cooled