In the town of Tixcacaltuyub, Samin learns about Melipona honey, some of the world's most prized honey, from her guide, Andrea Figueroa, and hosts Doña Pascuala and Don Carlos (who, according to the Salt, Fat, Acid, Heat website are affiliated with the Fundación Haciendas del Mundo Maya)As our host explains, although honey is usually considered a sweet ingredient, it’s actually a sour food that hovers near the middle of the pH scale.