Idli rice : 1 cup
Split Black Urad dal : 1/2 cup
Peppercorns : 1 tbsp
Cumin seeds : 1 tsp
Dry ginger powder : 1/4 tsp
Wash and soak urad dal and rice for 3 hours.
Grind them together into coarse batter.
Grind pepper and cumin seeds in a mixie.
Add salt , mix and allow it to ferment for 6 hours.
Add the pepper + jeera powder ,dry ginger powder, , curry leaves and mix everything well.
Heat a dosa tawa , make a thick dosa , drizzle oil , cover with a lid and let it cook.
Cook on both sides on medium flame.