Firstly, in a pan heat 2 tsp oil. add ½ tbsp chana dal, ½ tbsp urad dal, 2 cloves garlic and roast until the dal turns golden brown.
Add 3 dried red chilli, and ½ cup roasted gram dal, and roast until the putani turns golden and crunchy.
Further add ¼ cup coconut, and a small piece of tamarind, and saute for a minute.
Cool completely, and transfer to the mixer jar.
Add ½ tsp salt and grind to a fine powder without adding water.
Now add 1 cup water and grind to a smooth paste. Add more water to adjust the consistency of the chutney.
To prepare the tempering heat 2 tsp oil. add 1 tsp mustard, ½ tsp urad dal, ¼ tsp hing, 1 dried red chilli, and few curry leaves.
Splutter the tempering and pour over the chutney.
Finally, mix the tadka well with Pottukadalai Chutney Recipe and enjoy with idli and dosa.