Oaxaca (and 8 other designated states) — pre-Hispanic agave fermentation; distillation introduced post-Spanish contact
Traditional mezcal is made by roasting agave piñas in earthen pit ovens (palenques), fermenting the crushed roasted agave in open wooden vats or animal hides with wild ambient yeast, then double-distilling in clay or copper pot stills. Unlike tequila's industrial process, traditional mezcal preserves terroir, smoke, and wild fermentation character. Oaxaca accounts for ~85% of certified mezcal production. Each producer's mezcal reflects their agave species, elevation, and microbial environment.
Smoke, earth, agave sweetness, citrus, vegetal, floral (species-dependent) — enormous range across producers and species
{"Pit roasting (3–5 days) is the source of smoke — the fire is extinguished and the piñas cook in residual heat and smoke","Wild fermentation (7–30 days) develops complexity unavailable from commercial yeast","Double distillation in clay or copper pot still concentrates flavour","Agave species dramatically affects flavour — espadín is baseline, tobalá/tepeztate/madrecuixe are artisanal","Resting in glass (not oak) preserves agave character — oak is discouraged in artisanal mezcal"}
{"Serve in a clay copita (jícara) at room temperature to allow aromatics to evolve","The worm (gusano) is a marketing invention — not traditional in quality mezcal","Batch variation is a feature, not a defect — each small batch reflects its season","Pair with orange slices and sal de gusano (worm salt with chile) — traditional accompaniment"}
{"Conflating mezcal with tequila — tequila is one type of agave spirit, mezcal is the category","Assuming all mezcal is smoky — the smoke level varies enormously by producer and technique","Chilling mezcal — reduces aromatic complexity","Overlooking agave species — espadín vs wild agave are as different as grape varieties"}
In Search of Drink — Mezcal section; Mezcal: The History, Craft and Cocktails — Emma Janzen