Masala Vada, a crispy and savory deep-fried fritter made from chana dal and spices, is popular street food in South Indian cuisine. It is also known as Paruppu Vadai in Tamilnadu. Besides chana dal, the other essential ingredient in masala vada which plays a significant role in its flavorful taste is onion. However, if you want to make it without onion, add fennel seeds for the flavor