STONE SOUP! 🪨🍲 Caldo de piedra–a pre-Hispanic dish from Oaxaca–is a broth of fish, onion, chili, tomato, cilantro, and epazote. At Cocina De Barrio in Hillcrest and Point Loma, San Diego, they add shrimp and clams to the classic. To warm the soup, the indigenous Chinantec placed hot stones, straight from the fire, into a bowl containing the ingredients. At Cocina de Barrio, caldo de piedra is prepared tableside. But with the hot stones placed in the bowl first and then the broth poured over th