Plot: Every culture has its soothing, soulful soup, and in Mexico, it’s Caldo de Pollo, a light chicken broth flavored with aromatic vegetables and herbs. To show us how the traditional Caldo de Pollo Ranchero is made, Rick goes straight to the source, shopping for chicken, vegetables and herbs in Oaxaca, then brings it all home to the rustic country kitchen of his friend Suzanna Trilling, where they are joined by Doña Carlotta for a side-by-side afternoon of soup-making and camaraderie