Kombu is a type of edible kelp commonly used in Japanese cuisine, valued for its rich umami flavor and slightly chewy texture. Its deep green, thick, and leathery leaves impart a savory depth to broths, soups, and stews, often serving as a key ingredient in making dashi, a foundational Japanese stock. Beyond Japan, kombu has been appreciated in various Asian culinary traditions for its mineral-rich qualities and ability to enhance flavors. Historically, it has been harvested for centuries, especially along the coasts of Japan and Korea, where it plays a vital role in traditional cooking and dietary practices.