Remove the skin from the pineapple and its pines thoroughly. Dice the yellow pineapple flesh into small pieces.
Cook the pineapple in little water along with salt, 1/4 tsp turmeric and 1/2 tsp red chilly powder until soft. Keep this aside.
Take the ingredients for grinding in a mixer.
Meanwhile, grind coconut and the other ingredients to form a nice paste and keep aside.
Add the cooked pineapple to a clay pan and stir in the ground coconut mixture.
Continue cooking on medium flame for another 8-10 minutes till it becomes thick.
Heat oil in a pan. Splutter mustard seeds and saute dry red chillies and curry leaves for a few minutes.
Pour seasoning over the Pineapple Pachadi. Stir.
Switch off the flame and add 3 tbsp yogurt and stir.
Pineapple Pachadi is ready.