Soak rice and dal for 4 hours.
Peel cucumber and cut into small pieces.
Grind rice, dal and cucumber pieces together adding desired water to make fine batter.
Add salt and mix nicely.
:- For this dosa, there is no need to ferment. So just keep covered for 2 hours. Or if you want to make it immediately, u can do so.
Heat the griddle. Drizzle with oil.
Take one hard paper like invitation card, fold it in the middle and keep aside.
Pour one full ladle batter on the griddle and with the help of folded paper, spread it evenly as thin as possible.
Cover the lid for few seconds.
Then remove with spatula carefully.
:- Beautiful thin, white, soft dosa is ready.