Cuitlacoche refers to a fungus (maize smut fungus) which grows naturally on ears of corn (Ustilago maydis). The fungus is harvested and treated as a delicacy. Cuitlacoche which has an earthy and somewhat smoky is used to flavor Quesadillas, Tamales, soups and other specialty dishes from Mexico. It is considered as a Mexican delicacy.

Cuitlacoche is also spelled Huitlacoche. Also known in English as Corn Smut or Mexican Corn Truffle