Tapioca Vada, also known as Maravalli Kizhangu Vadai, is a popular South Indian snack made from tapioca and lentils. It is a crispy and flavorful vada that is perfect for tea-time or as an appetizer. The tapioca adds a unique texture to the vada, while the lentils provide a protein-rich base. These vadas are deep-fried to golden perfection and can be enjoyed with coconut chutney or tomato ketchup.