Tlayudas Libres Doña Martha

Tlayudas Libres Doña Martha is part of a cluster of open-air, late-night tlayuda stalls on Calle de Los Libres in the historic center, an informal strip that Oaxaca residents treat as the after-hours answer to a proper restaurant. The stalls grill their large folded tortillas directly over charcoal comals, and the two most-ordered versions are tlayuda con tasajo (thin-cut grilled beef) and tlayuda con chorizo y quesillo, both piled with black bean paste, cabbage, and salsa to order. There is no indoor seating; diners sit at simple plastic tables and chairs set up on the street each evening, and the atmosphere is loud, smoky from the charcoal grills, and thoroughly informal, drawing a crowd that includes late-night workers, students, and visitors looking for an authentic street-food experience after the sit-down restaurants have closed. Doña Martha's stall operates strictly overnight, from 7pm until 6am, making it one of the few reliable food options in the small hours. There is no reservation system of any kind; visitors simply walk up, choose their tlayuda filling, and wait a few minutes while it's grilled to order over the charcoal.