Samnammae Seolleongtang is a Korean restaurant in Seoul that serves seolleongtang and yangji suyuk jeongol. The seolleongtang is light and clean, without gaminess or greasiness, and the yangji suyuk jeongol is also eaten as a late-night snack with drinks. It is open 24 hours, so you can have a warm bowl of soup late at night, and each table has a bowl of scallions so you can add as much as you like. The soup could be served hotter.