Avial, also known as Aviyal, is a popular South Indian dish made with a mix of vegetables cooked in a coconut and yogurt-based gravy. It is a flavorful and nutritious dish that is often served as part of a traditional South Indian meal. Avial is known for its vibrant colors and rich flavors, and it is a great way to use up leftover vegetables. It is typically enjoyed with rice or as a side dish with dosa or idli.