Spicy Crawfish

Crawfish are not native to China — they were introduced from Louisiana via Japan in the 1920s and spread through rice paddies. The Changsha kou-wei-xia style began at the Nanmenkou night-market stalls in 1995 (the Shen Ji stall is credited as the first), fusing Guizhou sour-fish and Sichuan hotpot broths; the separate Xuyi, Jiangsu lineage is the thirteen-spice version, a different flavor profile, becoming the central summer night-market food across the Yangtze region. Hunan claims the má-là version with heavier peppercorn; the dish is barely older than millennials.

Ma la xiao long xia — Hunan-Hubei summer night-market staple that hit Shanghai in the late 1990s and never left. The shell is scrubbed with a brush, the head removed, then stir-fried with doubanjiang, chili, and beer. Eaten with gloves.

A mountain of red crawfish in a slick of chili oil, eaten with bare hands. Twist the tail off, suck the head first for the broth-soaked roe and fat, then peel the tail meat. The broth tastes of dried chili, garlic, ginger, beer, and a heavy hand of Sichuan peppercorn. Plastic gloves at the table; numb fingers by the second pound.

Crawfish must be live going in — dead ones turn mushy and the head-fat goes off fast. The traditional clean is rubbing them in salted water with a brush to scrub the gills. The broth is built first (chili, ginger, garlic, fermented bean paste, beer, stock), simmered, then the crawfish go in for only 8–10 minutes; longer and the tail meat turns to cotton.