Korean barley tea, also known as boricha, is a popular non-caffeinated drink in Seoul. It is made by roasting barley grains and then steeping them in hot water. Korean barley tea has a nutty and slightly bitter flavor that is both refreshing and soothing. It is often enjoyed as a hot or cold beverage and is a common accompaniment to meals in Seoul. Korean barley tea is also believed to have various health benefits, including aiding digestion and promoting hydration.