Fish sauce, a cornerstone of Southeast Asian cuisine, has a history spanning millennia. In Vietnam, it's a daily staple, with 95% of households using it in dishes like nuoc cham. The condiment, made from fermented fish and salt, is also central to Thai nam pla and Cambodian variations.

Its pungent aroma and bold flavor have made it a global curiosity, often compared to stinky tofu or durian for Western palates. Beyond its culinary role, fish sauce's production process—fermenting fish and salt in vats for months—has roots in ancient practices. The article highlights how this simple ingredient has shaped regional food cultures and continues to evolve.