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Sri Lankan Seeni Sambol (Caramelized Onion Relish)

Sweet, spicy Sri Lankan caramelized onion relish with Maldive fish — the essential condiment for every rice and curry table.

Prep
15 min
Cook
40 min
Servings
8
Difficulty
Easy
4.8(345 ratings)
#sri-lankan#condiment#onion#sambol#caramelized

About This Recipe

Seeni sambol (sweet onion sambol) is one of Sri Lanka's most indispensable condiments — sliced onions slow-cooked with Maldive fish, dried chilies, curry leaves, and a touch of vinegar and sugar until deeply caramelized and jammy. It's simultaneously sweet, smoky, spicy, and umami-rich, transforming any simple plate of rice and curry into something special. Every Sri Lankan cook has their own version.

Ingredients

Serves 8

  • 4 largeonions, thinly sliced
  • 3 tbspcoconut oil or vegetable oil
  • 2 tbspMaldive fish or dried shrimp, ground
  • 6 piecesdried red chilies, broken
  • 1 sprigcurry leaves
  • 1/2 tspturmeric
  • 1 tspchili powder
  • 1 tbspwhite vinegar
  • 2 tspsugar
  • 1/2 tspsalt
  • 1/4 cuptamarind water (1 tbsp tamarind + water)

Instructions

  1. 1

    Start the onions

    Heat oil in a heavy pan over medium-low heat. Add onions and cook, stirring occasionally, for 20–25 minutes until very soft and beginning to caramelize.

  2. 2

    Add aromatics

    Add curry leaves, dried chilies, and Maldive fish. Stir and cook 5 minutes.

  3. 3

    Add spices

    Add turmeric and chili powder. Stir well.

  4. 4

    Add vinegar, tamarind, and sugar

    Add vinegar, tamarind water, sugar, and salt. Stir and cook on low heat for 10 more minutes until the sambol is very thick, dark, and jammy.

  5. 5

    Cool and serve

    Cool completely. Serve at room temperature with rice and curry or kiribath.

Pro Tips

  • Low and slow is the only way — rushed sambol won't caramelize properly.

  • It should be very thick and jammy — a spoon should leave a track.

  • The sweetness and sourness should balance — taste and adjust before finishing.

Variations

  • Make fully vegetarian by omitting Maldive fish

  • Add a little piece of pandan leaf

  • Include a cinnamon stick while cooking for extra warmth

Storage

Refrigerate in a sealed jar for up to 2 weeks. Flavor improves with time.

History & Origin

Seeni sambol is one of Sri Lanka's most celebrated sambols, appearing on every important table. The name 'seeni' means 'sugar' in Sinhala — referring to its characteristic sweetness. It's been part of Sri Lankan cooking for generations and is considered essential to the national cuisine.

Frequently Asked Questions

Can I make this without Maldive fish?

Yes — it will be vegetarian but equally delicious. The umami will be slightly less deep; add a pinch of MSG or extra salt if desired.

How do I know when it's done?

The sambol should be very dark brown, almost black, and very thick. A spoon dragged through should leave a clear track.

Nutrition Facts

Per serving · 8 servings total

Calories90kcal
Protein2g
Carbohydrates12g
Fat4g
Fiber2g
Protein2g
Carbs12g
Fat4g

Time Summary

Prep time15 min
Cook time40 min
Total time55 min

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