The problem with most birthday cakes is that the better they look— all flowers and scrolls— the worse they taste. May, bless her heart, has solved the dilemma. She compliments her delicate batters with light mousses and whipped creams, then trims with finely sliced fruits. The cakes she creates are beautiful and delicious. And you can afford one— even after the ticket you’ll probably get for double-parking on the south edge of Chinatown.