Liuzhou Snail and Duck Feet Claypot

Snail-and-duck-feet claypot is a Liuzhou dish that grew directly out of the city's luosifen culture: cooks already simmering river-snail stock for the noodle extended the same broth to braise duck feet, and the dish rose to popularity in the years after luosifen became a nationwide craze. Its exact inventor and date are unrecorded, and it is best described as a recent Liuzhou specialty rather than an old one. What is firm is the broth lineage — the sour-snail base of 螺蛳粉, itself built on river snails, sour pickled bamboo and chili, the flavor profile for which Liuzhou is now known across China. The claypot is a sit-down, share-and-drink dish that stands apart from the takeaway noodle, and it has become one of the city's signature ways to eat the snail broth off the noodle.

The duck feet come out of the pot soft and yielding, the skin and webbing turned to silky gelatin that you gnaw off the fine bones, each one slick with broth. The liquor itself is the star: deeply sour from the pickled bamboo, hot with chili oil, and carrying the muddy-sweet richness of long-cooked snails over a savory pork-and-chicken base, with the warm back-note of star anise and cloves. River snails are sucked from the shell with a slurp. Done well the feet are tender to the bone but not falling apart, the broth thick with collagen and balanced between sour and hot; done badly the feet are rubbery and greasy because the frying-and-soaking step was skipped, or the snails taste gritty and muddy because they were not purged of sand.

Two transformations carry the dish. First the duck feet: deep-frying skin-on feet until they blister sets the skin and renders surface fat, and a soak in water afterward swells that crackled skin and lifts off excess grease, opening micro-gaps between skin and bone so the braising liquid soaks in — without this step the feet stay tight, greasy and rubbery. Long braising then breaks down their abundant collagen into gelatin, which is what gives the soft, sticky, lip-coating texture and thickens the broth. Second the broth: river snails are purged in clean water for a day or more to spit out sand, then stir-fried and simmered for hours with pork bone and chicken so their amino acids and minerals dissolve into a savory, slightly funky stock. The signature sour is fermented, not vinegared — sour bamboo shoot is lactic-acid-fermented, its tang from the lactic acid bacteria produce — while dried chili and a spice bundle of star anise, cloves and bay are simmered in for heat and aroma. The claypot holds the heat and keeps the feet and snails bathing in the broth at the table.