In a pan add 2 chopped onion and saute

Add 1 tsp oil

Add 1 tsp fennel seeds or sombu

Add 1 tsp khus khus

Add 2 tbsp coconuts

Saute well till everything becomes darker in Color.

Add few kalpasi or black stone flower

Cool down completely and add to a mixie jar

Grind to a smooth paste add water if required and keep aside

In the same pan add oil

Add curry leaves

And ground masala paste

Add 1/2 tsp turmeric powder

Add 2 tbsp chilly powder

Add tomatoes five finely chopped add required salt.

Cover and cook till tomatoes become mushy

Add 1 glass water and allow to boil

Boil 4 potatoes and cut into cubes

Add to the boiling gravy

Boil in low flame for 5 mins

Check for spiciness add pepper if required

Spicy potato Kurma is ready

Serve it for chapati or rice