Red-braising is documented across the Chinese culinary tradition from the Song dynasty (960–1279 CE) through the Qing court recipes. It is found in every regional Chinese kitchen — though the specific spice additions, the soy sauce type, and the sugar source vary by region. The Shanghainese version (hong shao rou) is the most internationally recognised; the Hunan version (mao's red-braised pork, Mao Shi Hong Shao Rou — the favourite dish of Mao Zedong) uses fermented black bean and dried chilli for a more complex flavour.
Red-braising (hong shao — literally 'red cooking') is the Chinese technique of braising meat in a liquid of soy sauce, rice wine, sugar, and spices until the meat is tender and the braising liquid has reduced to a rich, dark, deeply flavoured sauce that lacquers the meat in a glossy coating. It is the technique that produces the deep reddish-brown colour and the complex, sweet-savoury depth of hong shao rou (red-braised pork belly), hong shao ji (red-braised chicken), and dozens of other preparations across the Chinese regional tradition. Dunlop covers the technique in *Every Grain of Rice* as a foundational method applicable to virtually any protein or dense vegetable.
The combination of soy sauce's glutamic acid, the Shaoxing wine's esters and amino acids, and the star anise's anethole (Maillard-reactive) produces, in extended braising, a complex sauce of extraordinary depth. As Segnit notes, star anise and pork fat is one of the most extensively documented of all Asian flavour pairings — the anethole of star anise has a documented fat-solubility that produces an exceptional distribution of its aromatic compounds through the pork's own rendered fat during a long braise.
**The universal red-braise ratio (per 500g protein):** - Light soy sauce: 3 tablespoons (for saltiness and flavour). - Dark soy sauce: 1 tablespoon (for the deep reddish-brown colour — dark soy's caramel adds both colour and a slight sweetness that light soy cannot provide). - Shaoxing rice wine: 3 tablespoons. - Sugar: 1–2 tablespoons (rock sugar is traditional — its slightly more complex sweetness produces a more elegant glaze than white sugar). - Water or stock: sufficient to half-cover the protein. - Aromatics: typically whole spices — star anise (1–2 pieces), cassia or cinnamon stick (small piece), dried tangerine peel (a characteristic addition in certain regional versions). **The preparation sequence:** 1. Blanch the protein (pork belly or chicken) in boiling water for 3–5 minutes. Remove. Rinse under cold water. This step removes surface impurities and tightens the protein surface, reducing scum formation in the braise. 2. (Optional but traditional) Briefly fry the blanched protein in oil or sugar-oil to develop a slight Maillard crust and preliminary caramelisation. For pork belly: fry the skin side until lightly golden. 3. Combine protein, all liquids, sugar, and whole spices in a braising vessel. 4. Bring to a simmer. Cover. 5. Braise on very low heat for 1–1.5 hours for pork belly; 45–60 minutes for chicken pieces. 6. Uncover. Increase heat slightly. Reduce the braising liquid by half — 15–20 minutes, spooning the liquid over the protein continuously. 7. Continue reducing until the liquid thickens to a glossy, lacquering consistency. **The rock sugar:** Rock sugar (bing tang) is used rather than white sugar in traditional red-braising. Its slightly different sucrose-and-glucose composition produces a glaze that is more transparent and more elegantly glossy than white sugar's more opaque glaze. It also caramelises at a slightly higher temperature, producing less risk of bitter caramelisation in a long braise. Decisive moment: The final reduction — the transition of the braising liquid from a thin, soy-wine broth to a thick, lacquering glaze that coats the protein in a layer of deep reddish-brown intensity. This transition happens over the final 15–20 minutes and must be watched carefully: the liquid reduces quickly in the final stage and the sugar compounds can burn in minutes if the heat is too high or the pan is left unattended. The correct endpoint: a spoon drawn through the sauce on the pan base leaves a trail that closes slowly — the sauce has viscosity. Sensory tests: **Sight — the glaze:** A correctly reduced red-braise sauce is glossy, transparent, and a deep reddish-mahogany colour. It clings to the protein surface as the protein is turned — each surface acquiring a thin, glossy coating. Pulled from the pan: the protein should look lacquered, not wet. **Smell:** The smell of a long red-braise — star anise, cassia, soy sauce's Maillard products, the sweet caramel of the reducing sugar — is one of the most immediately recognisable and comforting in Chinese cooking. **Taste — the sauce:** The reduced sauce should taste simultaneously: deeply savoury (soy sauce), sweet (rock sugar's caramel), mildly aromatic (star anise and cassia in the background), and slightly fermented-complex (from the Shaoxing wine's own character).
- Red-braised preparations always improve overnight — the flavour deepens as the protein continues to absorb the braising liquid. Reheat gently in the braising liquid before service - The braising liquid (the master sauce) can be strained, cooled, defatted, and stored frozen or refrigerated — used as the base for subsequent red-braise preparations. Each use deepens its complexity
— **Pale, thin sauce rather than deep reddish lacquer:** Insufficient dark soy sauce, or insufficient reduction time. Dark soy sauce is the colour agent — without it, the colour is brown-amber rather than deep reddish-mahogany. — **Bitter, slightly scorched sauce:** The reduction was taken too far or the heat was too high in the final stage. The sugar compounds caramelise to bitterness at approximately 177°C — a thick sauce at high heat reaches this temperature rapidly.
Fuchsia Dunlop, *Land of Plenty* (2001); *Every Grain of Rice* (2012); *Land of Fish and Rice* (2016); *The Food of Sichuan* (2019)