Grind coconut, shallots, chilly powder, green chilly, and salt together.
SautT mustard in coconut oil and add the grinded coconut to it. SautT it for 3-5 minutes in low flame.
Keep the coconut chutney aside.
Knead rice flour with hot water as required to make a smooth dough.
Make medium sized balls out of it and press it on a banana leaf.
Spoon in the coconut chutney and fold it in half. Press the sides.
Steam cook the adas 3-5 nos at a time. Make sure that each adas are covered in banana leaves, otherwise it will get sticked on to each other.
Serve it as an evening snack or breakfast.