Leftover Snack Spicy Tawa Idli is a delicious and easy-to-make dish that transforms leftover idlis into a flavorful snack. The idlis are sautéed with onions, tomatoes, and spices on a tawa (griddle) to give them a crispy texture and a spicy kick. This dish is perfect for using up leftover idlis and can be enjoyed as a breakfast or evening snack.