랑가르 is a traditional Korean dish made from fermented vegetables, primarily using cabbage or radishes. It is similar to kimchi but often has a different flavor profile and preparation method. The fermentation process enhances its taste and preserves the vegetables, making it a popular side dish in Korean cuisine. This dish is rich in probiotics, which are beneficial for gut health. It is typically served with rice and other main dishes, adding a tangy and spicy element to meals. 랑가르 can also be enjoyed on its own as a snack or appetizer, showcasing the unique flavors of fermented foods in Korea.