Spinach Idli is a nutritious and vibrant variation of the traditional idli. It is made by adding finely chopped spinach leaves to the idli batter. To make Spinach Idli, mix the chopped spinach leaves with the idli batter and let it rest for a few minutes. Steam the idlis for about 10-12 minutes. Serve hot with coconut chutney or tomato chutney.