Step two: Make two batches of whipping cream. The first should be spiked with Kahluah and dusted with enough cocoa powder to give it a light brown color. The second should be spiked with vodka. Does vodka have a flavor?
Slice chocolate cake into thin layers. place one layer on the bottom of a large dish. Build a trifle with alternating layers of cake and the two creams, a different cream every other layer.
Chill for two hours. Garnish with chocolate curls.