Dry roast if using rice flour for 4 to 5 minutes in low flame, this is the most important step in making otherwise the idiyappam tends to stick to each other.
Add rice flour & mix well immediately.
Remove from flame & allow cooling.
Just when the mixture is warm add a teaspoon of coconut oil & knead with hands nicely.
Consistency should be very soft but not watery. (Otherwise pressing would require too much pressure)
Make small balls of the dough.
Press onto idli plates & steam until the idli cooker whistles.