Chris Shepherd, James Beard Award-winning chef of Houston's Underbelly Hospitality, is a champion of that city's incredibly diverse immigrant cuisines. In his restaurant, he calls out the names of the cooks--Vietnamese, Korean, Indian, and others--who have inspired him, and in his book, he teaches you how to work with those flavors and cultures with respect and creativity. Houston's culinary reputation as a steakhouse town was put to...