Making dosa batter:
pick and rinse the rice and urad dal in water
soak the rice, urad dal and methi seeds in a large bowl in water for 4-5 hours.

Grind the rice, urad dal, methi seeds and cooked rice
Add some water
take the dosa batter in a large bowl and mix salt.
let the batter ferment for 7-9 hours.

Preparing the potato filling for dosa:
first boil the potatoes
peel them and mash them

Heat oil in a pan first fry the mustard seeds
now add the chopped onions and saute till they become soft.

Add the ginger, garlic, green chilies, curry leaves and saute
now add the turmeric powder, red chilli powder and hing
add the potatoes

Add salt.
lastly add the lemon juice and stir well.
add coriander leaves and mix well with the potatoes.

Making red chutney for dosa:
take all the ingredients in a blinder
add very little water and grind to a smooth paste.
keep aside.

Making dosa

Take a dosa tava heat it now first add 1/2 tsp oil
Heat it and sprinkle water and clean it with napkin or any paper
Now add dosa better
3 to 4 tbsp or 1 kadchi

Sprinkle some drops of oil
cooked completely.
spread 2 tsp of the red chilli chutney on top of the dosa.
place 3 tbsp of the potato stir fry you can add cheese with is optional

Folt it and serve with sambhar