Sichuan, expanded by diaspora through Taiwan and internationally
The sesame-paste school of dan dan mian — prevalent in restaurants outside Sichuan and in the Taiwan-influenced version — uses a rich, slightly sweet tahini-based sauce that creates a more accessible interpretation. Important to distinguish from the authentic Chengdu dry-sauce version. Both are valid and the sesame school has developed its own refined techniques: the paste must be thinned precisely, the balance of sweetness and acid calibrated.
Rich, nutty, sesame-forward with the Sichuan heat and numbing underneath; more approachable than the dry sauce school but no less satisfying
{"Sesame paste: Chinese tahini thinned with light soy sauce (not water), then further thinned with a little noodle cooking water at the moment of dressing","The sauce should coat noodles, not pool — it should cling, not saturate","Peanut butter can substitute for sesame paste in a pinch — reduces authenticity but maintains structure","Toppings remain: minced pork fried in doubanjiang, ya cai, spring onion, Sichuan pepper oil"}
{"The noodle cooking water trick: reserve a ladle of boiling noodle water; use it to thin the sesame paste to exactly the right coating consistency","Both schools agree: the temperature of the noodles matters — room temperature noodles absorb more of the sauce than hot noodles","Yibin ya cai (芽菜) is the secret ingredient regardless of school — the preserved mustard adds essential salty-sweet umami"}
{"Middle Eastern tahini instead of Chinese sesame paste — different flavour profile (Chinese is more roasted, less bitter)","Paste too thick — should be thin enough to coat noodles evenly with a light touch","No Sichuan pepper oil — even in the sesame school, the mala element must be present"}
Land of Plenty — Fuchsia Dunlop; Every Grain of Rice