Sour Prawn Soup is a delicious and refreshing Southeast Asian soup made with prawns, tomatoes, and a sour tamarind broth. The prawns are cooked in a light and flavorful broth, and the tomatoes are added for sweetness and acidity. The soup is then garnished with cilantro and green onions for freshness. Sour Prawn Soup is a popular dish in many Southeast Asian countries, such as Thailand, Vietnam, and Cambodia. It is often served as a starter or light meal. It is a great source of protein and vitamins, and it is also low in fat.