Rava Idli is a variation of the traditional idli, where the rice and lentil batter is replaced with semolina (rava) and yogurt. It is a quick and easy recipe that does not require any fermentation. The rava is roasted and mixed with yogurt, along with some spices and vegetables. The batter is then steamed in idli molds to make soft and spongy idlis. Rava Idli is a perfect option for those who want to enjoy idlis without the hassle of fermentation.