Wild Watercress and Snakehead Fish Soup

Why people make this soup

In traditional Chinese medicine, “yin deficiency” refers to a state where the body’s moistening and cooling reserves are depleted — often showing up as a dry mouth, burning feeling in the palms or soles, mild gum bleeding, haemorrhoid flare-ups, or achy joints. This classic Cantonese folk soup is made to address that pattern. Wild watercress (ye ge cai, sometimes called tang ge cai or pond cress) grows along stream banks and is available at Chinese herb shops and some Asian grocers. It has a clean, slightly peppery flavour, and tradition holds that it clears internal heat from the bones and joints. Snakehead fish, pan-fried briefly before going into the pot, gives the soup a rich golden colour and a warming, protein-rich base. Together, the soup is considered especially good as a seasonal autumn drink — when dryness tends to creep in — but is useful year-round.

Who it suits / who should be cautious

• Those experiencing yin deficiency symptoms: persistent dry throat, warmth in the palms, mild gum bleeding, haemorrhoid bleeding, or phlegm-fire cough.
• A good autumn seasonal wellness soup for the whole family, including children.
• Wild watercress is available most of the year, though it is less abundant in winter.

Why these ingredients (the food-therapy logic)

• Wild watercress (ye ge cai / tang ge cai): Traditionally used to nourish yin and clear heat from deep in the body, especially from the bones and joints; helps soothe phlegm-heat cough.
• Snakehead fish (sheng yu): Considered tonifying and restorative in Chinese food therapy; rich in protein and said to support tissue repair and strengthen the body without creating excess heat.
• Red dates (hong zao): Nourish the blood and harmonise the other ingredients; add natural sweetness.
• Fresh ginger (sheng jiang): Protects the stomach and balances the cooling nature of the watercress.

Ingredients (4–5 bowls)

Ingredient	Amount	Notes
Snakehead fish	600 g	Cleaned; pan-fry before adding
Wild watercress	600 g	Can include roots; rinse well
Fresh ginger	2 slices
Red dates	6 pieces	Pitted
Oil	A little	For pan-frying the fish
Water	Enough to cover (~1.5 litres)

Method

1. Clean and gut the snakehead fish. Pat dry.
2. Heat a small amount of oil in a pan and fry the fish on both sides until lightly golden and fragrant. This step removes any fishiness and enriches the soup flavour.
3. Rinse the watercress well — you can include the roots.
4. Bring water to a boil in a soup pot. Add the pan-fried fish, watercress, ginger, and red dates.
5. Simmer over medium-low heat for about 2 hours.
6. Season with salt and serve.

Bro Niu’s tips

This soup is particularly effective for bone-heat (gu huo) causing joint aches and generalised body soreness. Wild watercress (ye ge cai) is also known as tang ge cai or han cai — it is available at Chinese or Asian grocers and Chinese herb shops, most abundantly in spring, summer, and autumn. Children and young children can also drink this soup.

Community questions answered (selected)

• Q (reader, Adith): Can a 3-year-old child drink this soup? And is wild watercress available year-round? Bro Niu: Wild watercress is suitable for all seasons and young children can drink it. It is commonly stocked in spring, summer, and autumn; winter supply is lower.

• Q (reader, CANDY): My 20-month-old tends to run hot — dry lips, some phlegm, constipation. What soups would be good for him? Bro Niu: The best option for young children is a soup of two liang of crown daisy (ba wang hua), one carrot, and four dried figs, cooked with lean pork in 8 bowls of water down to 4. It clears heat, moistens the lungs, and relieves constipation. If there is phlegm, add one liang of apricot kernels (nan bei xing).

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Published March 6, 2010 · Adapted and translated for Nourilo from a traditional home-kitchen recipe. Approx. 3 min read.