Hyeonmi-cha
Brown rice tea, called hyeonmi-cha in Korean and nước gạo lứt (lit. "brown rice water"), nước gạo lứt rang (lit. "roasted brown rice water"), or nước gạo rang (lit "roasted rice water") in Vietnamese, is an infusion made from roasted brown rice. This tea is prepared by infusing roasted brown rice in boiling water. Brown japonica rice is typically used in Korea. The rice is washed, soaked, roasted in a dry pan or pot, and cooled. Around 50 g (1.8 oz) of roasted brown rice is added to 600 ml (21 imp fl oz; 20 US fl oz) of boiling water and simmered for a short time, around five to ten minutes. Rice grains may be strained before serving. The beverage may range from pale yellow to light golden brown in color. Pre-roasted rice used to make hyenomi-cha is available commercially in groceries, traditional markets, and supermarkets in Korea and Korean groceries overseas.
Source: Wikipedia