Wash the coriander leaves thoroughly to get rid off sand or other dust particles. Roughly chop the coriander leaves and set it aside
Heat a pan and add oil. When the oil is hot, add the channa dal and urid dal and fry them in oil till they turn light golden brown color
Then add the red chillies , hing, tamarind and grated coconut and fry them all for a minute. We can also use tamarind paste instead of raw tamarind
Switch off the flame and add the washed and chopped coriander leaves and saute them in the heat of the pan for couple of minutes
Allow the fried ingredients to cool off completely before grinding
Once the ingredients are cooled off, add all these ingredients to the mixer jar. Add salt and grind all these ingredients to a coarse paste. Mostly we don’t need to add any water, but if you feel the ingredients are not getting crushed up, you can sprinkle some water and grind it to a coarse paste
Take the ground thogayal in a bowl. You can mix the thogayal with rice and enjoy the thogayal. If you wish to make it for lunch box, then season the thogayal with mustard seeds, urid dal and cashews and then mix with rice
The delicious Kothamalli Thogayal is now ready to serve!