Named for Ding Baozhen, the 19th century governor of Sichuan province, whose posthumous title was Gong Bao (Palace Guardian) — the dish was reportedly a favourite preparation of his household. The Sichuan version of the preparation uses Sichuan pepper and dried chillies; the Guizhou version uses fresh chillies. The American Chinese version — sweet, starchy, without Sichuan pepper or dried chilli depth — is a different preparation with the same name.
Diced chicken stir-fried with dried chillies, Sichuan pepper, and peanuts in a sweet-sour-spicy sauce of rice vinegar, soy sauce, and sugar. Kung Pao chicken is one of the most widely known and most widely distorted Chinese dishes in international restaurant culture — the authentic preparation is a precise, disciplined stir-fry of specific temperatures, specific timings, and a sauce that achieves a particular sweet-sour-hot balance that the versions made outside China rarely achieve. Dunlop's treatment in *The Food of Sichuan* is the authoritative English-language account.
**Ingredient precision:** - Chicken: thigh, not breast. Diced 1.5–2cm. Marinated: soy sauce, rice wine, cornstarch, a small amount of oil. - Dried chillies: the long, dried red chillies of Sichuan (Er Jing Tiao variety for preference — mildly hot with a complex aromatic). Cut into 2–3cm sections, seeds partially shaken out. The chillies are not eaten in quantity but are fried in the oil to release their aromatic compounds. - Sichuan pepper: 1 teaspoon whole husks. - Peanuts: deep-fried until pale gold and crisp — or roasted. Added at the very end to preserve crunch. - Spring onion: cut into 2cm sections. - Garlic and ginger: sliced thin. **The sauce (combined in advance):** - Shaoxing rice wine: 1 tablespoon. - Light soy sauce: 1 tablespoon. - Dark soy sauce: ½ teaspoon. - Rice vinegar: 1 tablespoon. - Sugar: 1 teaspoon. - Cornstarch: 1 teaspoon dissolved in water. Combine and set aside. **The preparation:** 1. Wok at maximum heat. Oil. 2. Add the dried chillies and Sichuan pepper husks. Fry 15–20 seconds — until the chillies darken and the Sichuan pepper's fragrance releases. Watch carefully: the chillies and pepper must be fragrant and slightly darkened, not black and acrid. 3. Add garlic and ginger. 10 seconds. 4. Add chicken. Spread flat. 30 seconds without moving. 5. Stir-fry 2–3 minutes until cooked through. 6. Add spring onion. 7. Add the combined sauce. Toss continuously for 30–45 seconds until the sauce thickens and coats. 8. Off heat: add peanuts. Toss once. 9. Serve immediately. Decisive moment: The dried chilli and Sichuan pepper frying stage — 15–20 seconds that establish the entire aromatic foundation of the dish. Too short: the chilli and Sichuan pepper's volatile compounds are not released into the oil. Too long: the chillies blacken and become bitter, producing an acrid, burnt note that cannot be corrected in the finished dish. The smell at the correct endpoint: a deeply complex, aromatic chilli-and-Sichuan-pepper fragrance — the specific smell of the Sichuan oil base — with no suggestion of burning. Sensory tests: **Smell — the initial fry:** At 10 seconds: the dried chilli's skin begins to blister and the first aromatic volatiles release. At 15 seconds: the full dried chilli aromatic — smoky, complex, slightly sweet with the underlying chilli heat. The Sichuan pepper's citrus-floral adds simultaneously. This is the moment to add the garlic and ginger. **Taste — the sauce balance:** Kung Pao sauce has a more pronounced sweet-sour component than most Sichuan preparations — the sugar and rice vinegar together produce a sweet-sour note that rounds the doubanjiang's savouriness (which is absent here) and provides balance against the chilli heat. The correct balance: simultaneously hot, sour, sweet, and salty, with the Sichuan pepper's ma providing a background tingle. **Sight:** A correctly made kung pao is a glossy preparation — the sauce coating each piece of chicken with a translucent, glossy sheen from the thickened cornstarch. The peanuts provide a pale gold contrast to the deep red-brown of the sauced chicken.
- The sauce's sweet-sour component makes kung pao particularly accommodating of shrimp and tofu substitutions — the same sauce technique with different proteins produces authentic results
— **Burnt chillies dominating the dish with acrid bitterness:** The initial chilli-Sichuan pepper fry was too long or the heat too high. The correct colour for the dried chillies: darker red to a slight brownish-red — not black. — **Soggy peanuts:** Peanuts added with the sauce rather than off heat. They must be added at the very last moment and not cooked further.
Fuchsia Dunlop, *Land of Plenty* (2001); *Every Grain of Rice* (2012); *Land of Fish and Rice* (2016); *The Food of Sichuan* (2019)