Kimchi jjigae is a very spicy, Korean soup, the main ingredients of which are fermented vegetables, usually napa cabbage and hot gochugaru pepper. Tofu, shiitake mushrooms, pork, tuna, seafood or other favorite products are also added to the soup. Kimchi jjigae is usually served with a bowl of rice or a raw egg cracked directly into a bowl of soup. Pickles are the basis of many Korean dishes, they are also served as appetizers. Fermenting cabbage, turnip or cucumbers are seasoned with garlic, ginger and chilli.