Grind together mustard, chilli and cumin seeds

Grind coconut into fine paste

Mix coconut and chilli paste

Boil pineapple pieces in water with turmeric and salt

Cook till the pieces are tender

Add sugar and stir well

Cook till required consistency (like a syrup)

Add coconut mixture

Remove from fire

Heat oil

Add urad dal and then mustard seeds

After seeds splutter add green chillies and curry leaves

Put the seasoning in the pineapple mixture

Put on gas, and cook for 1-2 mins

Remove from fire and garnish with chopped coriander leaves