Grab a round metal tray and a pair of tongs and start loading up: There are at least two dozen varieties of Mexican sweet bread, flaky pineapple and cherry turnovers, and oversize cookies, which go for about 75¢ apiece. They're made just a few feet away in the kitchen, where you can see the bakers knead, roll, and form the dough into whimsical crescents and spirals.