A Shanxi buckwheat jelly steamed in shallow bowls, then unmoulded and sliced: smooth, dove-grey, and faintly translucent. Despite the name — 灌肠 literally means 'filled intestine' — no casing is involved; the dish is dressed cold with garlic-vinegar sauce or stir-fried in donkey oil with bean sprouts. An official 2022 Shanxi special snack.
清徐灌肠 comes from Qingxu County (旧称徐沟), 30 km south-west of Taiyuan — a county celebrated for its aged vinegar and grape cultivation. Local accounts place its accidental origin in someone steaming leftover buckwheat paste residue ('zhazha') in a ceramic jar, finding the solidified, garlic-vinegar-seasoned result unexpectedly delicious, and naming it 罐渣 (jar-residue). As the cooking vessel evolved from ceramic jar to shallow bowl and then plate, the name shifted by degrees to 灌肠 — despite no intestine ever being involved. The craft was mature by the Ming-Qing period. In June 2022 清徐灌肠 was officially listed among the 五十种山西特色小吃.
Cold: smooth as chilled pudding, sliding down with barely any resistance; the buckwheat's faint, grassy bitterness blooms against the garlic-vinegar sharpness. Hot-fried: the outside edges catch and char in the donkey-fat, while the centre stays soft and yielding — a contrast of textures in a single piece.
Buckwheat starch granules are smaller than wheat, with a gelatinisation range of approximately 62–67°C. During steaming, granules absorb water and swell dramatically; amylopectin chains leach out and cross-link into a dense gel network. On cooling, the network sets into a firm, semi-translucent jelly. Buckwheat is rich in rutin (芦丁), a flavonoid glycoside; research shows that steaming — unlike roasting — promotes rutin's conversion from its protein-bound form to a free, bioavailable form, enhancing the finished cake's antioxidant activity. No gluten is involved: the jelly's elasticity comes entirely from starch cross-links, distinguishing 灌肠 texturally from any noodle.
Variations
Cold dressing (凉拌): sliced thick, topped with crushed garlic, Shanxi aged vinegar, and chilli oil — the canonical street-food form. Stir-fried (炒灌肠): wok-tossed in donkey fat with mung-bean sprouts and garlic; also cooked with flatbread strips (炒饼灌肠). Red 灌肠: a minority version incorporating fresh pork blood into the batter, giving a darker colour and richer flavour. Closely related 碗脱 (bowl-pressed jelly), made in Pingyao and other Jinzhong towns, uses the same basic method with minor vessel differences.
On the Palate
Where Qingxu Buckwheat Cake sits in the Chinese flavor cloud
Ingredients
Serves 4
How it's made
6 steps · 15 min
- 18 min
Gradually whisk 600 ml cold water into 200 g buckwheat flour in a thin stream, whisking constantly, until the batter is completely smooth and lump-free, the consistency of thin cream. Season with ½ tsp salt.
Watch outPour the water into the flour in a thin stream while whisking non-stop until dead smooth — dump it in and you get lumps that won't cook out.
- 23 min
Lightly grease six shallow heatproof bowls (about 12 cm diameter) with neutral oil. Ladle batter into each bowl to 80% capacity.
- 335 min
Place bowls in a steamer and steam over vigorous high heat for 35 minutes, keeping the lid on tight and topping up the water as needed. The surface should be fully set and the centre should not wobble when the bowl is nudged.
Watch outSteam hard the full 35 minutes until the surface sets and the centre doesn't wobble when nudged — under-steamed, it never firms into clean-cut jelly.
- 460 min
Remove from steamer and allow to cool completely at room temperature, then refrigerate for at least 1 hour until the jelly is fully firm and holds clean edges when cut.
Watch outChill it right through until firm before cutting — warm, it tears and won't hold clean edges.
- 55 min
Run a thin knife around the rim of each bowl; invert onto a board and unmould. Slice into strips about 1 cm thick, or cut into wedges.
- 63 min
For cold serving: arrange strips in a wide shallow bowl. Spoon crushed garlic paste over, then pour Shanxi aged vinegar generously; drizzle chilli oil and scatter chopped coriander. Serve immediately.
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