Steamed Huangshan Stone Frog

The dish belongs to Huizhou (Anhui) cuisine and is associated with the Huangshan range, where the "stone frog" is a local specialty; the frogs taken at Dafuying in Xiuning County were historically the most esteemed. Despite the name, the 鸡 ("chicken") is not poultry: 石鸡 is one of several common names — alongside 石蛙 and 石蛤 — for the giant spiny frog (Quasipaa spinosa), a large amphibian of the family Dicroglossidae that lives in rocky mountain streams of southern China. The "chicken" tag is variously explained by its chicken-like call and by its pale, tender, chicken-white flesh. Each frog weighs roughly 250 grams, with a white belly and dark striped back, and the meat is prized as a tonic "top mountain delicacy." The wild animal is today a protected species in China, so kitchens use farmed stock or other frog.

The flesh comes away in pale, faintly translucent flakes, looser-grained and more tender than chicken, with almost no gaminess. The broth is clear gold and unclouded, savory and rounded, carrying the smoky depth of ham and the woodsy perfume of shiitake over a clean, faintly sweet finish.

Gentle steaming holds the bowl just below a rolling boil, so fat is never churned into the liquid and the broth stays clear rather than turning milky. Collagen in the frog's skin and connective tissue slowly hydrolyzes into gelatin, giving the soup body without clouding it. The moist, sub-boiling heat denatures the lean, low-myoglobin muscle slowly, so it sets white and tender instead of browning or toughening. Glutamate from the ham and chicken stock meets inosinate from the meat for an umami synergy far greater than either alone, while rock sugar — which dissolves cleanly — rounds the salt and lifts freshness without obvious sweetness.