Wash all dals thoroughly and soak along with the red chilli for a minimum of 1 hour.
Discard the soaked water and transfer the dal and chilli to a mixer along with the asafoetida and salt.
Add 1/2 cup of water to the mixer and pulse until you have an extremely coarse mix. Be careful not to over-mix.
Transfer the ground mix to a bowl and add the idli/dosa batter.
Add the moringa leaves and mix well
You may have to add a bit more dosa or idli batter depending on the consistency of your ada batter.
Place a dosa tawa on medium heat.
Once hot, add a ladle of batter to the centre and gently but quickly spread it out in a circle.
Make a small hole in the centre with a spoon or the back of the ladle. This helps the dosa cook evenly.
Add some oil around the dosa and to the centre as well.
Cook for 3 minutes and then flip and cook the other side for a further 2 minutes or until crispy.
Serve immediately with your preferred accompaniment.