Yulmu-cha or is a tea made of roasted, powdered yulmu (grains of Coix lacryma-jobi var. ma-yuen), sometimes mixed with nuts such as walnut. The tea, usually served hot, is also often sold through vending machines in South Korea.
Yulmu-cha or is a tea made of roasted, powdered yulmu (grains of Coix lacryma-jobi var. ma-yuen), sometimes mixed with nuts such as walnut. The tea, usually served hot, is also often sold through vending machines in South Korea.
en.wikipedia.org/wiki/Yulmu-cha