Wash the rice flakes, rice and soak in butter milk overnight.
The next day grind the mixture to a fine paste.
Add Salt and sugar while adding little water if necessary.
Remove in a vessel and add the soda and mix well.
The batter should be thick enough to pour in a small saucepan.
Keep it for 2 hours for fermentation.
Pour a ladle full of the dosa batter into it the pan.
:-No need to spread it as it is a thick and fluffy type of dosa.
Keep it covered and after a few seconds pour a little oil around the edges of the dosa and cover it again till it is cooked.
Take care to have a medium flame.
After a few minutes, turn the dosa. Keep it covered again.
Remove when both sides are done.
:- Serve hot with tomato or coconut chutney.