Wash & soak rice and dal in water for about 2 hours.

Take 1/2 cup of palm jaggery &more than 1/2 cup of water in a bowl.

When palm jaggery is completely dissolved. Now filter the palm jaggery water then adding the required amount in a blender grind into a fine paste. add a pinch salt, cooking soda 1/2 tsp.

Add all the palm jaggery water the batter should have the consistency similar to dosa batter.