Vegetable Idli is a colorful and flavorful variation of idli made with a mix of vegetables. It is a great way to sneak in some extra veggies into your diet. To make Vegetable Idli using a food processor, grind together rice, lentils, and vegetables like carrots, peas, and bell peppers. Ferment the batter overnight and steam it in idli molds. Serve with coconut chutney and sambar.