Green rice, or cốm, is Vietnam’s most quietly extraordinary ingredient: young, hand-harvested, and carrying the scent of harvest season. Here is everything you need to know about it, and where to taste it in Paris.
What Is Green Rice, and What Does It Taste Like?
Cốm is young, unripe glutinous rice that has been harvested before it fully matures, then lightly roasted and hand-pounded to produce flat, jade-green grains. It is one of the most quietly distinctive ingredients in Vietnamese cuisine, and one of the least understood outside the country.
The flavour is subtle and layered: a faint grassy sweetness from the unripe grain, a gentle nuttiness from the roasting, and a soft, yielding chew that is quite unlike any other form of rice. The colour which is a natural shade of green, comes from the chlorophyll still present in the young husk. There is no dye, no additive, nothing artificial. The grain earns its colour the same way it earns its flavour: through timing.
Fresh green rice is harvested only in autumn, roughly from September through November, which means it is a seasonal ingredient in the truest sense. This seasonality is part of what makes it precious, and why a bowl of fresh cốm, eaten with a ripe banana or a cup of coffee, is one of those small Vietnamese rituals that people carry with them long after leaving home.
How Green Rice Is Made
The production of cốm is labour-intensive, and largely unchanged for centuries. The rice fields used for cốm are harvested earlier than fields intended for ordinary rice when the grains are still soft, filled with a milky sap rather than a firm starch. Once cut, the stalks are transported quickly to avoid over-ripening.
The grains are then parched in large woks over a wood fire, turned continuously to ensure even heat, and removed before they harden. After cooling, they are pounded gently in a stone or wooden mortar, a process repeated multiple times to flatten the grain and separate the husk without crushing the flesh underneath. The husks are winnowed away between each pounding, and the resulting flakes are left with a clean surface and a chewy texture.
In Hanoi, the village of Vòng, in the Cầu Giấy district, has been the historical centre of cốm production for generations. Cốm làng Vòng, as it is known, carries a reputation for quality that extends across the country. Families who have produced it for decades speak of the work in terms of intuition as much as technique: knowing when the fire is right, when the grain has been pounded enough, when the colour has reached the correct depth of green.
What Is Green Rice Used For?
Cốm appears across a range of Vietnamese dishes from the simplest preparations to the most complicated, always with that same characteristic flavour and texture at the centre.
Fresh green rice (cốm tươi) is the simplest way to experience cốm: soft, fragrant, and lightly sweet, often eaten as it is or paired with ripe banana. In Hanoi, especially during autumn, it is commonly enjoyed slowly on the street, wrapped in lotus leaves and eaten alongside a cup of coffee.
Stir-fried green rice (cốm xào), often with coconut, sugar and oil until the grains toast further and develop a richer, nuttier flavour. The result is eaten as a sweet, and has the deeply satisfying quality of something simple made carefully.
Sticky green rice (xôi cốm) is a common desesert acroiss the north which is steamed with coconut milk and sometimes topped with lotus seed and shredded coconut.
Drinks with green rice represent a more contemporary use of the ingredient. Green rice has found its way into Vietnamese café culture, blended into smoothies, layered into drinks with coconut cream and crushed ice. The flavour translates remarkably well into cold drink format, retaining its grassy, slightly sweet character against the richness of coconut.
Where to Try Green Rice in Paris
Since green rice is both seasonal and delicate to transport at peak quality, discovering a dessert made with it in Paris often feels like a rare surprise.
At Cộng Cà Phê, 18 Rue Volney, 75001 Paris, the menu draws on the café culture of Hanoi that produced some of Vietnam’s most enduring recipes. The café serves a coconut green rice drink that blends together crushed ice, coconut cream, and green rice. The drink carries the flavour of an autumn afternoon in Hanoi into the middle of a Paris street.
It is worth seeking out, particularly if your experience of Vietnamese café culture has been limited to phin coffee and bánh mì. The green rice drink sits in a different register entirely: sweeter, more fragrant, more seasonal in spirit, and entirely unlike anything else on the menu or on most menus in the city. You can explore the full drink selection at Cộng Cà Phê Paris before your visit.
If you are in the 1st arrondissement and looking for a dessert that is made from green rice and genuinely rooted in Vietnamese culinary tradition rather than adapted for a generic international audience, this is the address. Cộng Cà Phê Paris is located at 18 Rue Volney, 75001 Paris. The green rice coconut drink is available during regular café hours. For more on the menu and the story behind the brand, visit congcaphe.com.
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