Curds from the buttermilk left when butter is churned from yak or cow's milk, eaten soft and fresh or dried into hard, sour lumps. Tibetans drop it into butter tea and fill buns and pastries with it.
Tibetan herders dry milk curd in the sun to preserve it.
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culture
奶渣 (Tibetan chura) is what remains after churning butter from yak or cow milk. The solids are pressed and sun-dried into rock-hard pieces that keep for months - essential winter protein on the plateau. Also appears in Tibetan pastries like 奶渣饼 and sweet sprinkles.