Guo Bao Rou is a classic dish from Northeast China. It’s crispy on the outside, tender on the inside, and packed with a sweet and sour flavor. Every bite comes with a satisfying “crunch”—loved by both kids and adults. The pork is coated in a crispy batter, deep-fried to golden perfection, and tossed in a sweet and sour sauce. The secrets are the double-fry and the ratio of the sweet and sour sauce. Master this, and it will taste better than a restaurant’s!
Prep time: 30 minutes (plus 10 minutes resting time) | Cook time: 15 minutes | Serves: 3–4
🌴 Ingredients:
· Pork tenderloin, 300g (about 10.5 oz)
🌴 Vegetables:
· Carrot, ½ (about 50g; shredded)
· Scallion whites, 1 section (about 20g; shredded)
· Ginger, a small piece (about 10g; shredded)
· Cilantro, 1–2 sprigs (about 10g; chopped, optional, for garnish. Omit if you are a cilantro hater! It’s just for garnish.)
🌴 For Marinating the Pork:
· Cooking wine, 1 tbsp (about 15ml)
· Salt, a pinch (about 1g)
· White pepper powder, a pinch (about 0.5g)
🌴 For the Crispy Batter:
· Potato starch, 80g (about ⅔ cup; must use potato starch—cornstarch won’t get crispy. Look for it in the Asian grocery store—it’s often labeled as potato starch, but make sure it’s pure white starch, not potato flour for baking.)
· Water, as needed
· Salt, a pinch (about 1g; for base flavor)
· Cooking oil, 1 tbsp (about 15ml; to seal the batter)
🌴 For the Sweet and Sour Sauce:
· Sugar, 3 tbsp (about 36g; reduce to 2½ tbsp if you prefer less sweet)
· White vinegar, 3–3½ tbsp (about 45–50ml; the vinegar should have a strong kick)
· Light soy sauce, ½ tbsp (about 7.5ml; for umami and color, don’t add too much)
· Salt, a pinch (about 1g; just to enhance flavor)
· Cornstarch, ½ tbsp (about 5g)
· Water, 2 tbsp (about 30ml)
· Sesame oil, a few drops (about 1ml; optional, for shine and aroma)
All spoon measures are level. White vinegar is sharp and acidic—use it as listed for the best flavor.
🌴 Instructions:
- Slice the Pork
Cut the pork tenderloin into thick slices about the thickness of a coin (about 3mm / ⅛ inch). Gently pound them with the back of a knife to tenderize, then pat dry with a paper towel. Add 1 tbsp cooking wine, a pinch of salt, and a pinch of white pepper. Mix well and marinate for 15 minutes. ⚠️ Tip: Too thin and they dry out; too thick and they won’t cook through. Pounding makes them tender and helps the batter stick. Patting dry ensures the batter adheres well. - Make the Crispy Batter
Add water to the potato starch and mix until it forms a batter that drips in a thin line and lightly coats a spoon. Add a pinch of salt. Let it rest for 10 minutes, then pour off the excess water on the surface. Add 1 tbsp cooking oil and mix well. ⚠️ Tip: Potato starch is essential for crispiness; cornstarch turns soft. Pouring off the water after resting is the key to crispiness—don’t skip it. The oil prevents splattering and makes it crispier. Don’t over-stir, or the batter will become tough and hard when fried. - Make the Sauce
In a bowl, mix 3 tbsp sugar, 3–3½ tbsp white vinegar, ½ tbsp light soy sauce, a pinch of salt, ½ tbsp cornstarch, and 2 tbsp water. Stir well. ⚠️ Tip: Mix it in advance to avoid scrambling. The salt is just for flavor—a pinch is enough. Give it a quick stir before adding to the pan, as the starch sinks. - Coat the Pork
Add the marinated pork slices to the batter, ensuring each slice is evenly coated. Lift one up and shake off the excess batter, leaving just a thin layer. ⚠️ Tip: A batter that’s too thick will create a hard shell that won’t soften. Coat them one by one and shake off the excess. - First Fry
Heat oil in a wok to 60% hot (about 160°C / 320°F—a chopstick inserted produces dense small bubbles, and the oil surface has ripples). Add the pork slices one by one and fry over medium heat until they set and turn slightly golden. Remove and drain. ⚠️ Tip: Don’t add too many at once, or they’ll stick together. Don’t move them immediately—let them set before flipping so they stay intact. - Double-fry
Heat the oil to 80% hot (about 180°C / 350°F—the oil is slightly smoking and a chopstick produces large bubbles). Return the fried pork to the wok and double-fry for 20–30 seconds until golden and the shell feels hard. Remove and drain. ⚠️ Tip: The double-fry is the key to crispiness—don’t skip it. High oil temperature and a short time keep it crispy outside without drying out the inside. - Cook the Sauce
Leave a little base oil in the wok. Pour in the prepared sweet and sour sauce and cook over low heat until it bubbles vigorously and thickens (it should coat the back of a spatula without running off immediately). Add the scallion and ginger shreds first to release their aroma, then add the carrot shreds and stir-fry for a few seconds. ⚠️ Tip: The sauce is ready when it bubbles and coats the spatula—cooking it too long will make it bitter. Add the scallion and ginger first for aroma, and the carrots last to keep them crisp. - Toss and Serve
Turn to low heat or move the wok off the burner. Add the fried pork slices and toss quickly until every piece is coated in the sauce. Just before turning off the heat, drizzle in ½ tbsp of white vinegar to boost the tangy aroma. ⚠️ Tip: If the wok is too hot, the sauce will burn—low heat or off the heat is safer. Move quickly, or the meat will turn soft. Adding vinegar at the end makes the sour aroma pop. - Plate
Transfer to a plate and sprinkle with cilantro. Serve immediately—it’s crispy outside and tender inside, perfectly sweet and sour. ⚠️ Tip: Sprinkle the cilantro on top without mixing it in—it adds aroma and looks great. Eat it while it’s hot; it will soften if left too long.
💡 Tips:
Slice the pork into coin-thick pieces, pound them, pat them dry, and marinate. Use potato starch for the batter—mix it to a thin dripping consistency, rest it, pour off the excess water, and add a spoonful of oil to seal it. Mix the sauce in advance with just a pinch of salt. Coat each piece of pork one by one, shake off the excess batter, and fry at medium heat until slightly golden. Double-fry at high heat until the shell is hard for maximum crispiness. Cook the sauce over low heat until it bubbles and coats a spatula, adding the scallion and ginger first, and the carrots last. Move the wok off the heat, toss the pork quickly to coat, and drizzle in ½ tbsp of vinegar right before turning off the heat. Sprinkle with cilantro and serve immediately. Done this way, it’s incredibly crispy, sweet, and sour—a true Northeast classic!
This Guo Bao Rou is crispy outside, tender inside, and perfectly sweet and sour—a classic hearty dish from Northeast China. If you enjoy this crispy sweet and sour pork, you can also try my previously posted Sweet and Sour Pork . For more classic hearty dishes, check out my Main Dishes category!
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