Pressure cook raw bananas for 3 whistles.
Roast green chilli or fresh green chillies
Soak tamarind or use lemon juice.
Blend together green chillies, tamarind and cumin powder.
You can also add chopped tomatoes.
Mash raw bananas and add green chilli, cumin powder, tamarind or lemon juice.
You can also add chopped tomatoes to the mashed bananas
Add Salt and top it off with Coconut oil or mustard oil