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Asam Gelugur substitute

Best substitute

Tamarind Paste or Concentrate

Use 1 tsp for every slice, up to 1.5 tsp for milder brands

Best for assam laksa

Different taste

Asam gelugur does one job and does it cleanly: it is pure acidity, without the fruity sweetness or the brown colour that tamarind brings. Substitute about 1 teaspoon of tamarind paste or concentrate for each slice, up to 1.5 teaspoons if your tamarind is mild. Kokum, the dried Indian garcinia, is the closest true match at one piece per slice. Most fish curries and assam laksa use 2 to 4 slices per litre of broth, so start there and taste.

Other asam gelugur substitutes

Ranked, with the exact amount to use

Substitutes for Asam Gelugur with ratios

  1. 2Kokum (Dried Garcinia indica)

    Close match

    Use 1 piece for every slice

    The Indian dried garcinia, a close cousin used for exactly the same purpose.

    What changes
    Best for
    fish curries, sour soups, dal, assam laksa

    The best true match on this page, since it is the same genus and used the same way, dropped in whole and simmered. Kokum is dark purple-black and stains, so the broth takes on a purplish-brown tint that gelugur does not give, and it carries a faint tannic astringency underneath the sourness. If your Indian grocer stocks it and your Malaysian one does not, buy kokum without hesitation.

  2. 3Tamarind Slices (Asam Jawa Pulp)

    Taste and texture differ

    Use the same amount by piece, strained

    Blocks or slabs of tamarind pulp, used in a similar drop-it-in-the-pot way.

    What changes
    Best for
    fish curries, sour soups, gulai, sambal

    Practically similar to using gelugur slices, in that you add it, simmer, and remove the solids, which is why the two are often confused on shop shelves. It is sweeter and pulpier and contains seeds and fibre, so soak it in a little hot water and strain rather than dropping the block straight in, or you get stringy bits in the soup. Expect a browner, fruitier broth.

  3. 4Dried Mango Powder (Amchur)

    Different texture

    Use ½ tsp for every slice, added off the heat

    Ground unripe mango, a clean souring powder from Indian cooking.

    What changes
    Best for
    curries, dry dishes, marinades, when you want no added colour

    A good match on character, since amchur is sharply sour with only a mild fruitiness and adds no colour to the pot. Being a powder it disperses instantly instead of releasing slowly, so you have no margin for error and it can taste faintly chalky if overdone. Add it at the end, off the heat, whisked into a spoonful of the hot broth first so it does not clump.

  4. 5Lime Juice

    Different taste

    Use 1 tbsp for every slice, stirred in at the very end

    The fastest option, available in every kitchen, with one important limitation.

    What changes
    Best for
    assam laksa, soups, finishing a dish, sambal

    It gives you real acidity immediately and it is clean rather than fruity, which is the right direction. The catch is that lime is volatile: it brings a distinct fresh-citrus aroma the original does not have, and it fades quickly with heat, so a soup soured with lime at the start tastes flat by the time it reaches the table. Add it off the heat, and put extra wedges on the table.

  5. 6Rice Vinegar or White Vinegar

    Different taste

    Use 2 tsp for every slice

    The least good option, listed honestly because it is what many kitchens have.

    What changes
    Best for
    emergencies only

    Vinegar supplies acidity and nothing else, and its volatile sharpness reads unmistakably as vinegar in a coconut curry, which is a flavour that does not belong there. Rice vinegar is milder and therefore better than white. Add it at the end in small increments, tasting each time, and add a pinch of sugar to soften the harshness. Use this only when nothing else is available.

What is Asam Gelugur?

Asam Gelugur is Asam gelugur is the sun-dried slices of the sour Garcinia atroviridis fruit, also spelled asam gelugor and sold as asam keping or dried garcinia slices, dropped whole into curries and soups to make them sour.

Cooking tips

  • Add the slices near the start and give them at least fifteen minutes of simmering. They release their sourness slowly as they soften, so a soup tasted after five minutes will seem barely sour and will keep getting sharper, which is why it pays to under-add and taste at the end.
  • Fish the slices out before serving, or at least warn people. After long cooking they turn papery and increasingly bitter, and biting into one is unpleasant, so count them in and count them out. Some cooks leave them in for looks, which is fine if the soup is going to be eaten quickly.
  • Taste for sour and salt together at the end of cooking, not separately. Acidity makes salt read as brighter and salt makes acidity read as rounder, so a broth that seems too sour often just needs a little more salt or a pinch of palm sugar rather than dilution.
  • The slices keep essentially indefinitely in a sealed jar in a dark cupboard, so buy the big bag. Two to four slices per litre of broth is a normal working amount, which means a single bag lasts a household for a year or more of curries.
  • Do not swap the acid in a tested pickling, canning, fermenting or curing recipe. In preserving, the acid level is what keeps the food safe rather than a matter of taste, and reducing or substituting it can allow the bacteria that cause botulism to grow. Follow the tested recipe exactly, and see the National Center for Home Food Preservation for guidance on safe home preserving.

Frequently asked questions

Is asam gelugur the same as tamarind?

No, though they are used for the same purpose and the word asam simply means sour. Asam gelugur is dried garcinia slices, which give a clean, sharp acidity with almost no sweetness and no colour. Tamarind, or asam jawa, is a fruit pulp that is sour but also sweet, fruity and brown. Tamarind is the usual substitute, and it makes the broth rounder and cloudier.

How many slices equal a teaspoon of tamarind paste?

Roughly the other way round: one slice is about a teaspoon of tamarind paste or concentrate, or about two teaspoons of tamarind water. Brands of tamarind concentrate vary enormously in strength, so treat that as a starting point, add half of it, taste, and add the rest if the broth still needs sharpening.

Can I leave asam gelugur out of assam laksa?

Not really, since assam means sour and the sourness is what the dish is named for. Without it you have a fish and noodle soup missing its defining note. If you have no gelugur slices, use tamarind at a teaspoon per slice, which is what most home cooks in Malaysia do anyway when the slices run out, and finish with a squeeze of lime.

Can I use asam gelugur instead of vinegar in pickles?

Not in a tested preserving recipe. In pickling and canning the acid is a safety control, not a seasoning, and swapping in a different acid changes the pH in ways you cannot measure at home, which risks botulism. Asam gelugur is traditionally used in fresh, refrigerated Malay acar that is eaten within days, which is a different thing from a shelf-stable preserve. For anything jarred to keep, follow a tested recipe exactly and consult the National Center for Home Food Preservation.

Where do I buy asam gelugur, and what do the different names mean?

Malaysian, Indonesian and Singaporean groceries sell it in bags of dried slices, usually labelled asam keping, asam gelugur or asam gelugor, and it is also easy to find online. All those names refer to the same dried fruit. If a bag says dried garcinia slices or tamarind slices in English, look at the contents: gelugur slices are pale tan, thin and hard, while tamarind pulp is dark brown, soft and sticky.

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