Mix chopped dill leaves ,grated coconut ,rice rava , curd , water and salt in a mixing bowl . Allow to settle for 30 - 60 mins . If you are in a hurry .. you can do immediately .
In a small kadai or pan , prepare tempering. Add oil. When its hot add mustard seeds.When it splutters, add green chilli and curry leaves. Fry for 1 min. Switch off.Pour this tempering to the dill leaves idli mix. Add chopped coriander leaves. Mix well. If the mixture consistency is too dry, add very little water. The batter should be just binding kind of
Heat water in a steamer.Grease idli molds with oil .Pour the batter into idli stand.
Steam for 15 mins on medium flame.Prick a tooth pick,if it comes clean it means its done.Allow it to cool a bit and remove from molds using a spoon or knife.
Thats its Dill leaves idlis are ready to serve. Serve them hot with a dash of coconut oil and mango pickle / coconut chutney / coriander chutney / chutney powder / sambar etc