Marinate the sliced mango with little bit of salt, turmeric, red chilly powder and coriander powder for 10 mins.

Heat 1 tbsp of oil in a pan or a kadai.

Splutter mustard and fenugreek seeds.

Add curry leaves.

Add onion and green chillies and fry, till onion turns golden brown.

Add the mango slices and mix well.

Add a little bit of water and cook for a few mins.

Put coconut along with little water in the blender.

Strain out the milk and keep aside the first milk.

Repeat the above process with coconut and extract the second milk.

Add the second milk into the pan and allow it to boil.

Add the first milk and remove from flame.

:- You can also use tinned coconut milk instead.