Seoul is known for its vibrant street food culture. Here are some popular street food items you might want to try Mandu (만두) - Korean dumplings filled with meat and vegetables. Twigim (튀김) - A variety of Korean deep-fried snacks, such as vegetables, seafood, and tofu. Odeng (오뎅) - Fish cake served on a skewer and often eaten with a spicy broth. These are just a few of the many street food option..