Banana Stem is always good for Health.
Very Simple way
When you buy banana stem, remove the outer part till you get a bit softer
Then cut it into small pieces.
Put it in water,
while cutting we get fibres will be there
remove it using ur fingers
and strain it and then either pressure cook it or cook it directly.
Then temper it with mustard seeds, cumin seeds, curry leaves red chilles and garnish with grated coconut.