Pastry chef and owner Joanne Chang's nutty sticky buns draw plenty of attention, but tempting sweets of all sorts abound at all four outposts of this casual cafe, including chewy ginger-molasses cookies, decadent chocolate mousse and flaky iced raspberry pop-tarts; decorated with handwritten chalkboard menus, the shops sell fresh breads, salads, sandwiches and prepared dinners to neighborhood...