Grind grated coconut,cumins and black pepper to fine powder.
Slice the bananas into small pieces.
In a vessel, cook it along with salt,green chillies and turmeric powder.
Boil the mix along with the fine powder made in first step.
Add the thick curd to the mix,stir well and make it well mixed.
For seasoning,heat oil in a pan and crackle mustard seeds along with fenugreek,dry red chillies and curry leaves.
Banana Pulissery is ready to be served.