In a vessel add the cubed raw banana and add 2 tbsp of chana dal, tamarind extract, turmeric powder, and asafoetida.
Pressure cook for 4-5 whistles.
In a pan add 1 tbsp of chana dal, 2 tsp coriander seeds, and 3 red chili.
Dry roast this till the dal turns golden brown.
Transfer this to a mixie jar and add 2 tbsp of coconut.
Grind this into a smooth paste by adding the necessary water to this.
In the pan add 2 tbsp of coconut and dry roast this till golden brown.
Keep this aside.
In a pan add oil, preferably coconut oil, and add the mustard seeds and curry leaves.
Once it splutters add the cooked raw banana mixture to this.
Add the ground paste and add salt.
If needed add water to adjust the consistency.
Generally this kootu will be thick only and served as a side.
If you want this little watery, you can add little more water.
Let this boil for 2 minutes.
Add the roasted coconut to this and switch off the flame.
Vazhakkai kootu is ready to serve.
You can add 1 tsp of jaggery to this in the last, to balance the flavours.