cốm — Vietnam

Cốm is a Vietnamese preparation made from young sticky rice harvested while the grains are still green and soft. The unripe grains are roasted, then pounded flat and freed of their husks, producing thin, tender green flakes with a mild, grassy sweetness and a delicate aroma that fades quickly once the rice has been processed. The dish is reported mainly from the Hanoi area and the surrounding Red River Delta, where the young rice used to make it is harvested in a short autumn window. Because the rice must be picked while still immature and processed soon after, cốm is only available for a few weeks each year, which has made it prized as a seasonal gift among Hanoi households rather than an everyday food. To prepare it, panicles of young sticky rice are threshed to release the soft grains, which are then roasted briefly over gentle heat to fix their green colour and dry them slightly. The warm grains are pounded in a mortar in stages, with winnowing between each round to remove the husks, until only the flattened green flakes remain. It is eaten as is, sometimes with a few slices of ripe banana, or used to fill sticky rice cakes and other sweets. This version reflects the rice's short season and its role as a gift: quantities are modest and the flakes are kept loosely wrapped in lotus or bamboo leaves to protect their aroma, since cốm is valued for being eaten soon after it is made rather than kept for later.