To a mixing bowl - add 1 cup ragi flour, add 1 medium sized onion chopped finely, 1 big green chilli, 1 tablespoon curry leaves and required salt to taste.
Mix this well first.
Add hot water little by little.
Mix with spatula well first until no dry flour is seen.
By now it will be warm enough to handle with hand.
Gather together to form a dough.
Divide into 4 equal portions.Make big lemon sized balls.
Grease the butter paper with few drops of oil. Place the ball and flatten it. Start patting it with your fingers.
It should be slightly thick like this. You can make 2 rotis at a time so that you can alternate them while one is getting cooked in the tawa.
Heat dosa tawa and drizzle few drops oil.
Carefully transfer the butter paper with roti side down. Gently peel the paper.
Drizzle oil at the sides and on top.
Cook covered for 2 minutes.
Flip over and cook. Toast the rotis on both the sides till golden spots appear here and there, drizzle oil.
Ragi roti is ready!