How to make cakes that are as delicious to eat as they are beautiful to behold. Karen Krasne, the "Queen of Cakes" according to Gourmet magazine, brings a fresh and contemporary sensibility to special-occasion cakes. Instead of the conventional fondant and gum paste, she relies on natural frostings based on chocolate, cream, or butter (which are also easier to make). What makes these cakes showstoppers is their unexpected flavor combinations-take,...