
Sour Soup Dumplings (酸汤水饺)
酸汤水饺 · suān tāng shuǐ jiǎo
In Xi'an, dumplings are eaten two ways: boiled with a dip, or 'sour soup' — swimming in a tart, spicy, garlicky broth that cuts through the rich pork filling. The soup is the whole point: black vinegar, chili oil, garlic, and cilantro bloomed in hot water, then the dumplings dive in. It's the perfect cold-weather bowl, and the ultimate use for frozen dumplings.
Recipe author: HǎoWèi Test Kitchen
Home-cooking research team
Reviewed by HǎoWèi editorial team · Last updated 2026-08-29
Ingredients
- dumplings (frozen or fresh, any filling)饺子(速冻或现包均可)🛒 local20 (about 400 g)
- black vinegar (Chinkiang)香醋(镇江)🏮 asian3 tbsp
- chili oil (with sediment)辣椒油(带底料)🏮 asian2 tbsp
- garlic, minced蒜末🛒 local4 cloves
- cilantro, chopped香菜🛒 local1/4 cup
- scallions, sliced葱花🛒 local2 stalks
- light soy sauce生抽🏮 asian1 tbsp
- sesame oil香油🏮 asian1 tsp
- white pepper白胡椒粉🛒 local1/2 tsp
dumplings (frozen or fresh, any filling): Pork-and-chive or pork-and-cabbage work best — the sour soup balances rich fillings.
🌶️ Adjust to your taste
Pick a level and we'll show exactly how much to change — no more "适量".
Spice level
Saltiness
Oiliness
Make it vegetarian
Instructions
1Make the soup base: in each serving bowl, combine vinegar, chili oil, garlic, soy, white pepper, and a pinch of salt. Set aside.
调酸汤底
🔍 Look forVisual: 碗底是深色醋和红辣椒油的分层Bowl bottom is layered with dark vinegar and red chili oil
You know it's right when: 辣椒油带底料——那才是风味Chili oil sediment is included — that's the flavor
2Boil a large pot of water. Add the dumplings in a single layer, stir gently once to prevent sticking.
下饺子
🔍 Look for High heat 约 7-9 分钟(速冻) · about 7-9 minutes (frozen)Visual: 饺子先沉底,煮熟后浮起Dumplings sink, then bob to the surface as they cook
You know it's right when: 饺子全部浮起——快熟了All dumplings float — nearly done
3When the dumplings float, add 1/2 cup cold water and wait for the second boil. Add cold water again once more (the 'three boils' method).
三开三点
🔍 Look for High heat 每轮 2-3 分钟 · 2-3 minutes per roundVisual: 水短暂平静,随后再次剧烈沸腾Water settles briefly, then re-boils vigorously
You know it's right when: 按压饺子——回弹说明熟透Press a dumpling — it springs back (fully cooked)
4Ladle 1 cup of the hot dumpling water into each bowl and stir — the chili oil blooms and the garlic perfumes the broth.
冲开汤底
🔍 Look forVisual: 汤色变成浑浊的橘红,浮着油亮的油滴Soup turns cloudy red-orange, glossy with oil droplets
You know it's right when: 汤闻起来酸香扑鼻带蒜香The broth smells sharply sour and garlicky
5Transfer the dumplings into the soup. Top with cilantro and scallions, drizzle sesame oil, and serve piping hot.
装碗上桌
🔍 Look forVisual: 饺子半浸在红汤里,上面点缀绿色香菜葱花Dumplings half-submerged in red broth, greens on top
You know it's right when: 汤还冒着热气——立刻上桌Soup is still steaming — serve now
Tips
- · The dumpling water is the secret broth — don't use plain water, it carries starch and seasoning.
- · Use vinegar with real sourness; rice vinegar is too mild for this soup.
- · The 'three boils' method guarantees fully cooked, never-burst dumplings.
- · Double the soup base if you like it tart and punchy, Xi'an street-food style.
Sources & references
Quantities, technique notes, and substitution ratios are cross-checked against established Chinese cookery references and standard food-science sources.
- Read our editorial policy
- Fuchsia Dunlop, Land of Plenty: A Treasury of Authentic Sichuan Cooking
- USDA FoodData Central — ingredient nutrition and portion data
- Traditional Chinese family-kitchen practice and regional taste records
Common questions
Is there a vegan substitute for oyster sauce?
Yes — 'mushroom oyster sauce' (often labeled vegetarian/vegan) is sold in most Asian grocers and increasingly in mainstream supermarkets. It behaves 1:1 and adds the same glossy umami. Watch labels if you're also gluten-free; most brands are GF, some aren't.
Source: HǎoWèi substitution engine
What's the difference between light and dark soy sauce?
Light soy (生抽) is the everyday salty seasoning — thin and salty, used in most recipes. Dark soy (老抽) is thicker, darker, slightly sweet, and used mostly for color (braises, fried rice). If you only buy one, get light soy. For dark soy's color: 1 tbsp light soy + a pinch of sugar + a few drops of molasses.
Source: HǎoWèi pantry guide
Why do you cook the aromatics (garlic/ginger) first on low heat?
Aromatics contain oils and sugars that turn bitter if scorched. Gentle heat (low-medium) lets garlic and ginger release their fragrance without browning too fast. If the pan is too hot, garlic goes bitter within seconds — that's why we always add aromatics first, before the main ingredients.
Source: Chinese Cooking Demystified technique library
Ingredient swaps
Can't find an Asian-market staple? Use these.
Swap: light soy sauce
→ regular soy sauce
Ratio: 1:1 · Slightly saltier — dial salt back by a pinch.
Swap: sesame oil
→ toasted sesame oil (same thing!)
Ratio: 1:1 · Check the label: use toasted (dark), not raw.
Swap: white pepper
→ black pepper (use ¾ amount)
Ratio: 3:4 · Sharper, but works in a pinch.
Don't make these mistakes
The traps every home cook hits — and how to avoid them.
✗ Filling too wet — wrappers tear while pleating.
✓ Fix: Squeeze out moisture; chill filling 15 min before wrapping.
✗ Not sealing edges — dumplings open in the pot.
✓ Fix: Dab water on the edge and pinch firmly; crimp twice.
Ways to change it up
One dish, three moods.
- Steam instead of boil — chewier wrappers
- Pan-fry for potstickers (guotie)
- Swap filling to shrimp + chives
🥢 Ask HǎoWèi
Questions about technique, ingredients, substitutions, and flavor — answered from our verified cooking knowledge base.
What to serve with it
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