In Korea, bracken (sometimes referred to as 'fernbrake' in Korean recipes) is known as gosari (고사리), and is a typical ingredient in bibimbap, a popular mixed rice dish. Bracken, also known as fernbrake, is a large, coarse fern that is used in Korean cuisine as a vegetable. The immature fronds of the bracken, called fiddleheads, are harvested and used in dishes like gosari-namul, a savory side dish: Taste: Bracken has a deep, earthy flavor and a chewy texture. Preparation: Bracken is typically boiled, soaked, and cooked before eating. Serving: Gosari-namul is often served with steamed white rice and Korean steamed eggs. Ingredients: A typical gosari-namul recipe includes soy sauce, perilla seeds oil, onion, green onion, sesame oil, and roasted sesame.