Tra Que Village has supplied Hoi An's kitchens with aromatic herbs and leafy greens for over four centuries, its seventeen-hectare patchwork sustained entirely by seaweed fertilizer drawn from the nearby De Vong River and manual labor that predates mechanized agriculture. The soil's mineral composition — a rare blend of alluvial silt and coastal sand — produces basil, mint, coriander, and perilla with flavor profiles distinct enough that chefs in central Vietnam specify Tra Que provenance on restaurant menus. Every morning before seven, farmers wade barefoot between raised beds, harvesting by hand to preserve root systems that will regenerate within days. The tra que organic cooking class model emerged in the early 2010s when village elders partnered with culinary instructors to monetize their agrarian knowledge without sacrificing farming rhythms. Unlike demonstration kitchens in urban Hoi An, workshops here operate inside working farms, often in open-sided pavilions where classes pause when water buffalo need to cross pathways or when sudden rain requires moving woks under corrugated roofing. Participants harvest their own ingredients — typically mint for fresh spring rolls, basil for pho, and mustard greens for stir-fries — then prep and cook using charcoal braziers and clay pots identical to those in village homes. The pedagogical emphasis falls on technique over presentation: how to bruise lemongrass to release oils, how to judge fish sauce balance by aroma, how to fold banh xeo crepes so they crisp without tearing. Tra Que's organic designation carries legal weight under Vietnamese agricultural standards, requiring annual soil testing and prohibiting synthetic pesticides across all member plots. The village cooperative maintains a shared composting facility and rotates crops on a strict schedule to prevent nutrient depletion. This rigor extends to cooking class curricula, which rotate seasonal menus — green papaya salad in summer when papayas hang heavy, caramelized pork with mustard greens in autumn, rice-paddy crab during the monsoon harvest. Most workshops span three to four hours, beginning with a farm walk that explains the seaweed fertilization cycle and ending with a family-style meal that includes dishes cooked by participants alongside supplemental courses prepared by instructors. The conservation fee supports irrigation infrastructure and funds the village's pesticide-free certification audits, ensuring the land remains viable for the next generation of farmers who also teach tra que organic cooking class tours to visitors seeking culinary authenticity rooted in sustainable agriculture.