고사리, or "bracken fern," is a type of edible fern commonly found in East Asia, particularly in Korea. It is known for its delicate, feathery leaves and is often harvested in spring. 고사리 is rich in nutrients and is used in various traditional dishes, adding a unique flavor and texture. In Korean cuisine, 고사리 is frequently included in side dishes, such as banchan, and is also a key ingredient in bibimbap. It can be prepared by blanching, stir-frying, or pickling, making it a versatile addition to meals.