In a grinding jar, add gathiya, sesame seeds and peanuts. Grind into a coarse powder.
Now in a mixing bowl, add grinded powder, coriander powder, turmeric powder, hing, salt, jaggery, garam masala, lemon juice, red chilli powder and chopped coriander leaves. mix well.
Make slits on both the sides of rigan and potatoes. Add stuffing tightly to it.
In a pressure cooker, add oil, cumin seeds, hing, turmeric powder, green chilli paste and ginger paste. Sauté for a minute.
Then add stuffed rigan and potatoes. Mix well.
Then add leftover masala, and water and mix well.
Cover the lid and pressure cook it on a medium flame for 2 whistles.
Serve rigan batata nu shaak with poori