Buttermilk Sambar is a tangy and flavorful South Indian dish made with buttermilk and lentils. It is a popular accompaniment to rice and is known for its unique taste and texture. The buttermilk adds a creamy and tangy flavor to the sambar, while the lentils provide a hearty and nutritious base. This dish is typically seasoned with spices like mustard seeds, curry leaves, and asafoetida, which enhance the overall taste. Buttermilk Sambar is a delicious and comforting dish that is perfect for a wholesome meal.