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Winter Melon Pork Rib Soup (冬瓜排骨汤) — Cantonese recipe hero image
CantoneseMedium 90 min serves 4 Gluten-free

Winter Melon Pork Rib Soup (冬瓜排骨汤)

冬瓜排骨汤 · dong gua pai gu tang

家庭快手版 · Home version: Classic Cantonese slow-simmered soup (老火汤) — the kind that simmers for hours and fills the house with comfort. Winter melon becomes translucent and melt-in-the-mouth; the broth is clean, subtly sweet, and deeply nourishing.

Winter melon pork rib soup (冬瓜排骨汤) is a Cantonese comfort soup that embodies the philosophy of 老火汤 — long, slow simmering extracts every ounce of flavor from the bones while the winter melon absorbs the broth and becomes silky. It is a staple in Cantonese households, especially during summer when the cooling properties of winter melon are prized. The soup requires patience but delivers an extraordinary depth of clean, savory flavor with zero heaviness.

H

Recipe author: HǎoWèi Test Kitchen

Home-cooking research team

Reviewed by HǎoWèi editorial team · Last updated 2026-08-29

More pork recipesComfort FoodSoups

Ingredients

  • pork ribs, cut into 5 cm segments猪排骨,切 5 cm 段🛒 local500 g
  • winter melon, peeled and cut into 3 cm chunks冬瓜,去皮切 3 cm 块🛒 local600 g
  • ginger, sliced into 4 rounds老姜,切 4 片🛒 local15 g
  • scallion, knotted (for simmering)大葱结(煲汤用)🛒 local1 stalk
  • Shaoxing wine料酒🏮 asian1 tbsp
  • cold water冷水🛒 local1.5 L
  • salt🛒 local1 tsp
  • white pepper白胡椒粉🏮 asian1/4 tsp

🌶️ 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

  1. 1Blanch the pork ribs: place ribs in a pot of cold water, bring to a boil over high heat. Boil for 3 minutes to release scum. Drain and rinse ribs under cold running water. This step removes impurities and ensures a clear broth.

    🔍 Look for High heat 3 分钟 · 3 minutes

    Visual: 灰褐色浮沫浮起,水变浑浊Gray-brown scum floats to the surface; water turns cloudy

    You know it's right when: 浮沫充分释放,水浑浊,需倒掉Scum is fully released and water is cloudy — time to drain

  2. 2Prepare the winter melon: peel the tough outer skin, remove seeds, and cut the flesh into 3 cm chunks. The rind can be left on for a firmer texture or removed for a softer result.

    🔍 Look for

    Visual: 果肉纯白,质地坚实但按压微软Flesh is pure white, firm but yielding to slight pressure

    You know it's right when: 刀切有轻微阻力——不硬不烂Knife meets slight resistance — not rock hard, not mushy

  3. 3In a clean pot, combine blanched ribs, sliced ginger, knotted scallion, and Shaoxing wine. Add cold water (1.5 L). Bring to a boil over high heat.

    🔍 Look for High heat 5 分钟 · 5 minutes

    Visual: 汤色清澈,锅边开始冒小泡Water is clear, small bubbles forming at the edges

    You know it's right when: 剧烈沸腾Vigorous rolling boil achieved

  4. 4Once boiling, reduce heat to the lowest possible setting. Cover partially and simmer for 40 minutes. The broth should barely move — a few occasional bubbles, not a rolling boil.

    🔍 Look for Low heat 40 分钟 · 40 minutes

    Visual: 汤色清亮微金,每隔几秒破出一两个小泡Broth is clear golden, a few bubbles breaking the surface every few seconds

    You know it's right when: 汤面几近平静,仅微动Surface is almost still — only gentle movement

  5. 5Add winter melon chunks to the pot. Continue simmering uncovered for another 30-35 minutes, until the melon is translucent and fork-tender.

    🔍 Look for 30-35 分钟 · 30-35 minutes

    Visual: 冬瓜由乳白转为半透明,边缘开始软化Winter melon turns from opaque white to semi-translucent, edges softening

    You know it's right when: 筷子一插即入,冬瓜入口即化Fork slides in with zero resistance — melon is melting

  6. 6Remove ginger slices and scallion knot. Season with salt and white pepper to taste. Ladle into bowls and serve immediately.

    🔍 Look for

    Visual: 汤色清澈见底微泛金,冬瓜块如翡翠漂浮Broth is crystal clear with a faint golden sheen, melon pieces floating like jade

    You know it's right when: 汤本身可直接饮用——清澈鲜香,带冬瓜微甜Broth should be drinkable on its own — clean, savory, slightly sweet from the melon

Tips

  • · The key to clear soup is the blanching step — never skip it. Impure bones make cloudy, gamy soup.
  • · Keep the simmer gentle — a rolling boil will cloud the broth and break apart the winter melon.
  • · Winter melon is available in Asian supermarkets year-round. Look for heavy, hard pieces with intact white powdery bloom on the skin — this indicates freshness.
  • · This soup improves with time — make it a day ahead and reheat gently. The flavors meld beautifully overnight.

Sources & references

Quantities, technique notes, and substitution ratios are cross-checked against established Chinese cookery references and standard food-science sources.

Common questions

Can I skip Shaoxing wine? What's the substitute?

Dry sherry is the closest 1:1 swap (fidelity ~80%). No sherry? Use a splash of white wine plus a little water, or just skip it and add a tiny extra pinch of sugar — the wine's job is depth and removing meat's gamey notes, and a good marinade covers most of it.

Source: HǎoWèi substitution engine

Can I reduce the salt/soy in this recipe?

Yes — soy sauce is the main sodium source. Use light soy at 2/3 amount and finish with salt only to taste. Rinse canned/doubanjiang components if possible. Note: reducing soy also reduces color; a drop of dark soy or a pinch of sugar can restore depth without salt.

Source: HǎoWèi diet 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: Shaoxing wine

    dry sherry or mirin (less sweet)

    Ratio: 1:1 · Both add the same warm fermented depth.

  • 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.

  • Crowding the pan — ingredients steam instead of sear.

    Fix: Cook in batches; give each piece room to brown.

  • Adding sauce too early — the wok cools and flavors dull.

    Fix: Push food up the wok wall, add sauce to the hot center, toss fast.

Ways to change it up

One dish, three moods.

  • Add silken tofu cubes for protein
  • Swap the stock for miso broth (faster umami)
  • Add a beaten egg swirl at the end for body

🥢 Ask HǎoWèi

Questions about technique, ingredients, substitutions, and flavor — answered from our verified cooking knowledge base.

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