Located at 21 E 16th St, Tsuru Ton Tan in Union Square serves up traditional Japanese cuisine in a cozy and interesting space. Known for its substantial bowls of udon and sushi, the menu also offers a variety of tempura, sukiyaki, and katsu dishes. With a drinks menu featuring beer, wine, sake, and cocktails, this spot is great for groups and families alike. Happy hour specials make it a popular choice for lunch and dinner.