Quite possibly the best chocolate cake ever this cake features a chocolate brown butter crust, a layer of chocolate truffle, a layer of chocolate souffle cake, and finally a thick layer of honey-scented chocolate mousse. best served chilled.. Various prices: [(sm 8 to 10) 39.95, (lg 16 to 20) 79.95, (1/4 sheet 30 to 40) 109.95, (1/2 sheet 60 to 80) 179.95, (full sheet 120 to 150) 349.95]