Millet Idli is a nutritious idli made with a mix of millets like foxtail millet, barnyard millet, and little millet. It is a healthier alternative to traditional rice idli. To make Millet Idli using a food processor, soak millets and lentils separately, grind them to a smooth batter, and ferment overnight. Steam the batter in idli molds and serve with chutney or sambar.