Sylheti Hatkora and Beyond: The Wild Citrus, Snails and Foraged Greens of the Surma Valley

The story of the British curry is, to a remarkable degree, the story of one place: Sylhet, the lush north-eastern region of Bangladesh in the Surma Valley. Generations of Sylheti families built the curry houses that put tikka masala and bhuna into the national vocabulary. Yet the food those families actually cook at home is wilder, sharper and far more rooted in the land than the high-street menu lets on. To understand Sylhet, you have to leave the restaurant and walk into the kitchen, where wild citrus, foraged greens and freshwater creatures tell the real story.

Hatkora: The Citrus That Defines a Cuisine

If one ingredient announces Sylheti cooking, it is hatkora. This knobbly green citrus, related to other wild Asian citruses, is prized not for its juice but for its intensely aromatic, bitter-fragrant rind and pith. Sylheti cooks slice it, sometimes use it fresh, sometimes dry it, and drop it into rich meat curries, most famously beef and mutton.

The effect is unlike lemon or lime. Hatkora brings a perfumed, resinous bitterness and a clean cutting edge that slices through fatty meat the way few other souring agents can. A hatkora gosht, beef simmered with chunks of the fruit, is a benchmark dish of a Sylheti household and a world away from anything you will be offered on a standard menu. The fruit's bitterness is the point; balanced against rich meat and warm spice, it becomes addictive.

A Larder Built on Water

The Surma Valley is a landscape of rivers, beels (wetlands) and flooded fields, and the Sylheti table reflects it. Freshwater fish is central, of course, but the region's haors and ponds also yield creatures that rarely surface on restaurant menus:

• Chamoi (freshwater snails) — gathered from ponds and wetlands, the meat extracted, cleaned and cooked into robust, deeply spiced curries. This is a genuinely traditional Sylheti delicacy, earthy and chewy, beloved by those who grew up with it.
• Small freshwater fish — tiny varieties cooked whole or mashed into pungent preparations.
• Shutki (dried fish) — sun-dried river fish, intensely savoury and pungent, cooked into fiery curries and chutneys that are an acquired but cherished taste across the region.

These are not exotic novelties; they are everyday eating in the valley, the product of a culture that has long made the most of an abundant, watery landscape.

Foraged Greens and Wild Vegetables

Sylheti cooking is also profoundly green. Beyond the cultivated vegetables, families gather wild and semi-wild leaves, shoots and herbs that grow along ponds, fields and fences. Various shak (leafy greens) are stir-fried with garlic, dried chilli and a little mustard oil, or paired with small fish and shutki. Banana flower, jackfruit seeds, taro stems and arum, gourds and their leaves, and a range of bitter and sour wild greens all feature, often cooked simply to let their character through.

This foraging instinct gives Sylheti home food a freshness and variety that the meat-heavy restaurant menu obscures. The same household that serves a rich beef hatkora will balance it with a plate of stir-fried greens, a sour dal and a mustard-sharp mash, building a meal of contrasts rather than a single heavy curry.

Souring, Bittering and the Sylheti Palate

What ties this larder together is a love of sharp, bitter and sour notes that wake up the palate. Hatkora supplies fragrant bitterness; tamarind, sour fruits and the souring agents of the region add tang; bitter gourd and bitter greens are eaten deliberately rather than avoided. Mustard oil, with its pungent bite, is a frequent cooking fat, and dried fish supplies a funky, savoury backbone. It is a cuisine of bold, polarising flavours, designed by and for people who like food that bites back.

Recreating Sylhet in Britain

For the large Sylheti-heritage community in Britain, particularly in London's East End, the Midlands and the North, keeping these flavours alive has meant building supply lines from scratch. The results are increasingly impressive:

• Hatkora is now sold frozen and sometimes dried in Bangladeshi grocers across the UK, and tinned versions exist, so a proper hatkora gosht is achievable far from the Surma Valley.
• Shutki (dried fish) is widely stocked in specialist shops, vacuum-packed to contain its formidable aroma.
• Frozen river fish and greens imported from Bangladesh fill the freezers of community grocers, while UK growers and allotment gardeners cultivate familiar gourds, leaves and herbs through the British summer.
• Foraging and growing continues quietly here too, with diaspora families coaxing taro, pumpkin leaves and other greens from gardens and polytunnels.

What this means for the curious British eater is that the real Sylhet is closer than it looks. The restaurant menu, brilliant as it is at what it does, was always a careful adaptation for a new audience. The home food behind it, fragrant with hatkora, sharp with shutki and green with foraged leaves, is one of the most distinctive and least understood cuisines in Britain. Seek it out, ask the family-run grocers what is good this week, and you will taste a valley most diners never knew existed.