Korean cold noodles, or Mul Naengmyeon, is a refreshing and flavorful dish that's perfect for hot summer days. Thin, chewy buckwheat noodles are served in a chilled, tangy broth and topped with crisp vegetables, boiled egg, and tender slices of beef. This dish is known for its balance of textures and flavors, making it a popular choice for a light yet satisfying meal.