Bún Riêu is a traditional Vietnamese noodle soup known for its rich and tangy flavor. The dish features rice vermicelli noodles served in a broth made from crab, tomato, and pork. It is often garnished with fresh herbs, bean sprouts, and lime, adding freshness to each bowl. The soup is typically topped with crab meat or crab paste, which gives it a distinctive taste. Bún Riêu is popular in Vietnam and can be found in many street food stalls and restaurants. It is enjoyed for breakfast or lunch and is loved for its comforting and satisfying qualities.