Take 500 grams of boiled potatoes. Cut it into medium size pieces.
Now, in a pan add oil, mustard seeds, hing, curry leaves, dry red chilli, bay leaf, star anise, black pepper, cloves, and cinnamon. Sauté for a minute.
Then add ginger paste and green chili slits. Sauté it.
Now lower the flame, add gram flour and sauté till it slightly changes its color.
Then in a bowl, take some water add turmeric powder, red chilli powder, and coriander powder. Mix well
Add masala paste into oil and sauté till oil separates from its sides.
Add chopped potato pieces and salt. Mix well.
Then add water and mash some potatoes slightly. Mix well.
Cover and cook it for 5-7 minutes on medium flame.
Now add jaggery, tamarind pulp, and garam masala. mix well.
Switch off the flame and garnish with chopped coriander leaves.
Serve with rice or roti and thepla.