Add Coconut Oil (5 tbsp), Fenugreek Seeds (1 tsp), Mustard Seeds (1 tsp)

Let it splutter and add Crushed Ginger-Garlic (3 tbsp) and make sure raw smell of garlic and ginger is gone

Add 5 split Green Chilly and curry leaves

Turn off the flame and add Turmeric Powder (1 tsp), Red Chilly Powder (5 tbsp)

Add five cups of water and boil it in high flame

Add three pieces of Brindleberry/Pot Tamarind to the boiling water

After three minutes of boiling, transfer this to a clay vessel and add salt to taste

Check salt and spices and add more if required

Add 1 kilogram of cleaned Mackerel to the boiling gravy and cover the vessel

Let it simmer for 20 minutes and a layer of oil would be formed on top of the gravy

After 20 minutes turn off the flame and add 1 tsp coconut oil on top