Barley tea is a roasted-grain-based infusion made from barley. It is a staple across many East Asian countries such as China, Japan, and Korea. It has a toasty, bitter flavor.[1] In Korea, the tea is consumed either hot or cold, often taking the place of drinking water in many homes and restaurants.[2][3] In Japan, it is usually served cold and is a popular summertime refreshment.[4] The tea is al
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