Hong Shao Rou
Slow-braised pork belly with rock sugar, in an Instant Pot or on the stove, with a glossy, savoury-sweet sauce.
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Guobao Pork
Northeastern sweet-and-sour pork, fried crisp and coated in a light, glossy sauce. Adapted for a home kitchen from the original ClouChef R&D report — 锅包肉, report 70.
Original poster image from clouchef.com (poster: 锅包肉_70.jpeg). This is the hero poster only, not a step-by-step photo set.
Prep: 10 minutesCook: 15 minutesTotal: 25 minutesServings: 2Difficulty: Medium–HardRegion: Northeast ChinaFlavour: Sweet-sour, crisp
Why this works
Guobao pork fails in exactly one place: the moment the crisp pork meets the sauce. The report solves it by separating the two jobs completely. First the pork is pounded from 0.5 cm down to 0.2 cm, which breaks the fibres so thin slices stay tender inside a shattering crust, then coated in a potato-starch batter the consistency of yoghurt — potato starch, not corn starch, is the report's crispness secret, because it fries up brittle and does not soften as fast. Two fries finish the job: 170 °C to set the coating, then 190 °C to drive off the last moisture and turn it golden. Only then does the sauce appear, boiled to big bubbles in about 30 seconds, and the pork is tossed in it for seconds, not minutes, so the crust is lacquered rather than soaked. The five-second rule at the end is literal.
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Ingredients
| Ingredient | US | Metric | Substitute / note |
|---|---|---|---|
| Pork tenderloin, sliced 0.5 cm thick | 8.8 oz | 250 g | Pound each slice to 0.2 cm before coating. |
| Potato starch | 1.8 oz | 50 g | Potato starch fries crisper than corn starch here; the report specifies it. |
| Cold water, for the batter | 6 tbsp + 2 tsp | 100 ml | Mix to a yoghurt-like consistency. |
| Sugar | 2 tbsp + 1 tsp | 30 g | For the sweet-sour sauce (ratio 3:2:1 sugar to vinegar to soy). |
| Rice vinegar (9° if available) | 1 tbsp + 1 tsp | 20 ml | Ordinary rice vinegar is the closest substitute; it is a little less sharp (adaptation). |
| Light soy sauce | 2 tsp | 10 ml | — |
| Water, for the sauce | 1 tbsp + 1 tsp | 20 ml | — |
| Salt | 1/3 tsp | 2 g | For seasoning the pork. |
| Cooking wine | 1 tsp | 5 ml | For seasoning the pork. From the report's steps; the table omits it. |
| Scallion and ginger shreds | 2 tsp | 10 g | For the sauce. |
| Coriander leaves | 1 tbsp | 5 g | Stirred through the hot sauce at the end. |
| Neutral oil, for deep-frying | 2 cups | 500 ml | The report reuses this oil across batches; strain and reuse it for frying only (adaptation). |
Equipment
- Meat mallet or the flat of a knife, for pounding
- Deep pot or wok for frying — a smaller pot uses less oil (adaptation)
- Thermometer for the oil
- Slotted spoon or spider
Steps
- Pound and season the pork. Slice the tenderloin 0.5 cm thick and pound both sides to 0.2 cm. Toss with the salt and cooking wine and rest for 5 minutes.
- Coat in batter. Mix the potato starch with the cold water to a yoghurt-like batter. Coat each slice evenly and rest for 2 minutes so the starch can soak in.
- Fry twice. Heat the oil to 170 °C — a chopstick dipped in should bubble densely. Fry the pork for 2 minutes until pale, then lift out. Raise the oil to 190 °C and fry again for 1 minute until golden and crisp. Drain well.
- Boil the sauce. Mix the sugar, vinegar, light soy and 20 ml water. Leave a little base oil in a pan, bloom the scallion and ginger shreds, pour in the sauce, and boil on high heat until it bubbles largely, about 30 seconds.
- Toss and serve — in seconds. Add the fried pork and toss quickly to coat. Add the coriander, toss through the hot sauce until just wilted, and serve within 5 seconds, before the crust can soften.
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Technique: double fry, five-second sauce
The two oil temperatures do different work: 170 °C sets the batter without browning it, and 190 °C drives out moisture for a crust that stays crisp. A batter the thickness of yoghurt is the other half — too thin and it slides off, too thick and it turns leathery. And the sauce toss must be fast: once the pork is in, count seconds, not minutes, or the crust you just built dissolves. Cook pork to 71 °C / 160 °F throughout (home food-safety guidance, added as an adaptation).
Variations
- Less oil.: Fry in a smaller pot in batches, so the pork is covered with less oil (adaptation). The crust will be slightly less even than in a full deep fry.
- Sharper or sweeter.: Keep the report's 3:2:1 sugar-to-vinegar-to-soy ratio as the anchor; shift the sugar by a teaspoon either way to taste (adaptation).
- Make-ahead.: The fried pork can be refrigerated (the report allows up to 72 hours) and re-crisped in hot oil or a hot oven before saucing (adaptation for the re-crisping method).
Frequently asked questions
Why did my crust go soggy?
Almost always the pork sat in the sauce too long, or the sauce was not boiled to big bubbles first. Toss fast and serve immediately.
Can I use corn starch instead of potato starch?
You can, but the crust will soften faster. Potato starch is the report's specified choice for a reason.
Why pound the pork so thin?
Pounding to 0.2 cm breaks the fibres, so the meat stays tender under a crisp crust. Thicker slices turn chewy and refuse to crisp evenly.
Storage
Best eaten within minutes of saucing — crispness is the dish. Unsauced fried pork keeps 2 days refrigerated; re-crisp in hot oil or a hot oven, then sauce fresh. Once sauced, leftovers keep 1 day refrigerated but will be soft; reheat gently until steaming throughout.
Guobao Pork — Recipe Card
Crisp double-fried pork in a light, glossy sweet-sour sauce.
Prep: 10 minutesCook: 15 minutesTotal: 25 minutesServings: 2
Ingredients: 250 g pork tenderloin; 50 g potato starch; 100 ml water for batter; 30 g sugar; 20 ml rice vinegar; 10 ml light soy; 20 ml water for sauce; 2 g salt; 5 ml cooking wine; 10 g scallion and ginger shreds; 5 g coriander; 500 ml frying oil.
Steps: 1) Pound pork to 0.2 cm, season 5 minutes. 2) Coat in potato-starch batter, rest 2 minutes. 3) Fry at 170 °C for 2 minutes, then 190 °C for 1 minute. 4) Boil the sweet-sour sauce to big bubbles. 5) Toss pork and coriander through, serve in seconds.
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Source note: ingredients, quantities and steps are adapted from the original ClouChef R&D report for 锅包肉 (data/reports/70.md). The report's pricing, margin and marketing sections are deliberately omitted here; no B2B cost is presented as a home-cook cost. Original poster image: clouchef.com (锅包肉_70.jpeg). Serving size for home use (2), the vinegar substitute, the smaller-pot frying note and the safety temperature are adaptations and are labelled as such.