Twinkle Twinkle Tea House (Ppanjjak Ppanjak Bitnaneun) is a second floor tea house that combines traditional Korean teas in a cute and cozy atmosphere. This remains one of the most popular tea houses in Seoul for young Koreans. The tight seating might make being there for long hours quite uncomfortable but the teas are exactly on point. The mugwort tea and the omija are two popular items and during the summer, and the bingsu (or shaved ice dessert) is a loved seasonal dessert hit. After navigating the crowds, shopping for some souvenirs, and eating some delicious eats, come to this Insadong tea house for some rest and dessert.