Discover the rich and comforting flavors of oi naengguk 오이냉국. As we continue to endure the summer heat, this cold cucumber soup offers a refreshing escape. Balancing tangy and savory, oi naengguk is a soup you will want to eat all summer long. About the South of Seoul ‘A Year to Learn Korean Cooking’ Series If you are familiar with the series, skip ahead to learn more about oi naengguk 오이냉국.  Many of us live in South Korea for only a year. Time flies past faster than we can imagine.…