Dry roast rice flour and let it cool.
Add water, salt and oil in one pan and let it boil.
Once it starts boiling, slow down the flame and add rice flour little by little, while stirring continuosly.
Stir continuously till dough like mass is formed. Turn off the flame, cover and rest it for 5 minutes.
After 5 minutes, with wet hands, knead the dough till it becomes smooth. Be careful, dough will be very hot.
Now take an extruder, grease it and set sev/noodles moulf. Fill it with prepared dough.
Grease idli plates and start preparing idiyappams by moving extruder in circular motion.
Steam it for 10-12 minutes.
Serve hot.
