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Supo Kapisi (Sāmoan Watercress and Pork-Bone Soup)

Supo Kapisi (Sāmoan Watercress and Pork-Bone Soup)

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Sāmoa's supo kapisi, pork bones simmered with ginger until the broth turns rich, then peppery watercress folded in dark and tender for a bowl that builds you back up.

Soups & Stews
Polynesian, Samoan
Comfort Food
Weeknight
One Pot
20 min
Active Time
1 hr 45 min cook2 hr 5 min total
Yield6 to 8 servings

That first recovery bowl I was handed at a Sāmoan table came before any talk-story. You eat, then talk, the auntie said, and she meant it. This is Sāmoa's supo kapisi, watercress soup: pork bones, fresh ginger, onion, tomato, and bundles of peppery greens simmered until the broth tastes like somebody stayed close to the stove because you needed feeding.

It is building-up food for the aiga (family), the sick and elderly, new mothers, children coming in tired from school, the cousin who says he's fine and doesn't look fine. The pork bones give body, the ginger wakes the bowl, and the kapisi goes in near the end so it wilts dark and glossy but keeps its green backbone. Not fancy. Not precious. Just somebody taking care.

Across the Triangle the comfort has cousins, but each pot has its own hand. In Aotearoa (New Zealand), Māori boil-up carries pork bones with pūhā (sow thistle), watercress, and kūmara (sweet potato); back home in Hawaiʻi, local families make pork watercress soup from a plantation-era pantry; Tongan tables know pork-bone and watercress soups too. Same comfort, different pots. No need blur them.

This one is Sāmoan, weeknight and real. The old story is one ocean, one canoe, one root, but the living table has a soup pot too. Serve it with rice if that's what you have, or with talo (taro), faʻi (green banana), or ʻulu (breadfruit) when the canoe crops are on your table. Eat what you have. The broth is there to build the family back up, and the bowl should feel like a hand on your shoulder.

Supo is the Sāmoan form of soup, and supo kapisi sits on the living, everyday side of Sāmoan foodways rather than the older canoe-crop dishes like talo, ʻulu, and palusami. Pigs had a place in Polynesian ovens long before Europe arrived, but the soup pot of pork bones with watercress, onion, tomato, and ginger shows the pantry that grew through trade, mission, plantation, and migration from village kitchens in Upolu and Savaiʻi to church halls in Auckland. That is part of the story too: deep food and everyday food share one table, and the aiga (family) keeps both alive.

The technique, the tradition, and the story behind every dish.

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Ingredients

meaty pork neck bones, rib bones, or hock pieces

Quantity

2 1/2 pounds

cut into 2- to 3-inch pieces

cold water

Quantity

10 cups

plus more as needed

yellow onion

Quantity

1 large

halved and sliced

garlic cloves

Quantity

4

smashed

fresh ginger

Quantity

1 (3-inch) piece

scrubbed and sliced into coins

sea salt

Quantity

2 teaspoons

plus more to taste; use 1 teaspoon if adding bouillon

freshly ground black pepper

Quantity

1/2 teaspoon

chicken bouillon cube or stock powder (optional)

Quantity

1 cube or 1 teaspoon

tomatoes

Quantity

2 medium

roughly chopped

fresh watercress (kapisi)

Quantity

3 large bunches

tough lower stems trimmed, washed well

cooked white rice, talo, faʻi, or ʻulu (optional)

Quantity

for serving

Equipment Needed

  • Heavy 6- to 7-quart stockpot or Dutch oven
  • Fine skimmer or wide spoon for clearing the broth
  • Large colander or salad spinner for washing watercress

Instructions

  1. 1

    Clear the bones

    Rinse the pork bones under cold water and set them in a heavy pot with the 10 cups cold water. Bring it up slowly over medium-high heat, then lower to a lively simmer and skim the grey foam that rises for the first 10 minutes. That's just the broth clearing itself. No need fuss, but don't stir that foam back in.

    For an extra clean broth, cover the bones with water, boil 5 minutes, drain, rinse the pot, then start again with fresh cold water. Do it when you have time. Skip it when you need dinner moving.
  2. 2

    Simmer the broth

    Add the onion, garlic, ginger, salt, pepper, and bouillon if you're using it. Keep the pot partly covered at a gentle simmer for 1 hour 15 minutes to 1 hour 30 minutes, adding a splash more water if the bones start sitting high. The meat should loosen from the bone, and the broth should smell round, porky, and ginger-warm.

    If you use bouillon, start lighter on the salt and finish the seasoning at the end. Plenty aunties use a cube on a weeknight. Keeper, not gatekeeper.
  3. 3

    Wash the kapisi

    While the pot works, pick through the kapisi, the watercress. Trim away only the woody lower stems and keep the tender stems, because they give the soup its peppery bite. Wash it in two or three changes of water, lifting the greens out each time so the grit stays behind.

  4. 4

    Add tomato and greens

    Stir in the tomatoes and simmer 10 minutes, until they slump into the broth. Taste now. It should be savory before the greens go in. Add the watercress by big handfuls, pressing it under the broth, and simmer 5 to 8 minutes, until the leaves turn dark and glossy and the tender stems bend without snapping.

    If your watercress is mature and stem-heavy, add the tender stems first for 2 minutes, then the leaves. Don't beat the green to mud. Let it wilt, let it soften, then stop.
  5. 5

    Rest and serve

    Turn off the heat and let the pot sit 10 minutes so the broth settles and the pork relaxes. Taste again for salt and pepper. Ladle bones, meat, greens, and broth into deep bowls, and serve with rice or with talo, faʻi, or ʻulu. Spoon the broth over the starch. This is building-up food: simple, salty, ginger-warm, enough for one more.

Chef Tips

  • Sourcing first, always. Buy watercress from clean growers or a market you trust. Wild watercress from water near livestock can carry liver fluke or bacteria, so if you don't know the water, don't use it raw and don't half-cook it.
  • Meaty neck bones make the best bowl because they give broth, fat, and little tender bites all at once. Rib bones are cleaner. Hock pieces make it richer. Use what your butcher has.
  • The soup should taste savory before the kapisi goes in. Greens drink salt, and pork bones can be shy until the end, so finish the seasoning after the watercress wilts.
  • If watercress isn't in the market, eat what you have, but name it straight. Choy sum or spinach will make a good pork green soup. It won't be supo kapisi until the kapisi is back.
  • This soup is home food, not a ceremony. If you're serving it inside a toʻonaʻi (Sunday family meal) or a larger Sāmoan gathering, sit with a Sāmoan matai (chief) or auntie for the order, language, and deep parts. They should tell their own story.

Advance Preparation

  • Simmer the pork-bone broth 1 day ahead, chill it, then lift off any firm fat before reheating. Add the tomatoes and watercress only when you're ready to eat.
  • Wash and trim the watercress up to 1 day ahead. Wrap it in a clean towel and refrigerate so it stays crisp.
  • Leftovers keep 3 days in the fridge. The greens darken and soften, still good. Add a fresh handful of watercress when reheating if you want the bowl brighter.

Frequently Asked Questions

Nutrition Information

1 serving (about 590g)

Calories
510 calories
Total Fat
20 g
Saturated Fat
7 g
Trans Fat
0 g
Unsaturated Fat
12 g
Cholesterol
100 mg
Sodium
700 mg
Total Carbohydrates
50 g
Dietary Fiber
2 g
Sugars
2 g
Protein
31 g

Note: Chef personas and recipes are created with AI assistance. Cook with care: follow safe food-handling practices, check doneness with a thermometer when needed, and adapt for allergies and your kitchen.

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