"Follow the seasons. Keep the flavors pure and straightforward. Use proper yet simple techniques." Applying this aesthetic to the Italian tradition, Gina DePalma has created a cookbook of the desserts that have wowed diners at Babbo, New York's most coveted reservation since it opened eight years ago with DePalma as pastry chef. From her exciting imagination spring desserts such as Sesame and White Corn Biscotti, Little Grappa Soaked Spongecakes,...