Pixian County, Chengdu, Sichuan Province — Qing dynasty origin
Artisan doubanjiang making is a multi-month process. The basics: fresh red chillies and broad bean paste are layered with salt in an earthenware urn and fermented under sun exposure and regular stirring. The Pixian county version requires specific local conditions: the qi hou (climate) of Pixian, specific local microflora, and minimum 6 months of traditional fermenting. Home versions can be made with dried chillies and shorter fermentation.
Complex fermented broad bean and chilli: spicy, deeply savoury, slightly vinegar-sour, with layered depth from months of fermentation — the heart of Sichuan cuisine's flavour identity
{"Fresh preparation: coarsely chopped fresh red chillies, broad bean paste, salt — mixed and packed into urn","Sun and stir: the urn is turned in the sun daily; stirred to introduce oxygen and prevent mold from taking hold","Minimum 6 months for basic doubanjiang; traditional Pixian production aims for 1–3 year minimum","The developing product changes from bright red to darker, more complex as fermentation proceeds"}
{"Premium commercially available doubanjiang: Juan Cheng (鹃城牌) and Pi County Doubanjiang brands are the gold standards","The difference between 1-year and 3-year aged doubanjiang is profound — used differently in cooking (aged for adding depth; fresh for colour)","Store homemade doubanjiang in a clay crock — not airtight; the fermentation needs to breathe slowly"}
{"Too little salt — spoilage rather than beneficial fermentation results","Not exposing to sun — the alternation of sun and night temperature is essential to the specific fermentation","Expecting quick results — 6 weeks produces a raw-tasting product; 6 months minimum for usable doubanjiang"}
Land of Plenty — Fuchsia Dunlop