First, add  coriander seeds, fennel seeds, Chana dal, fenugreek seeds, pepper, sesame seeds, red chilli, and cumin seeds; saute well till they turn aromatic

Transfer and cool

Grind kuzhambu powder

Add water and mix well

Add 1 tablespoon of oil and heat

Furthermore, add sundakkai vathal and manathakkali vathal; saute well till they get fried

Transfer and retain the oil

Add 1 tablespoon of sesame oil to a wide-bottomed pan and when the oil is hot

Furthermore, Add mustard seeds, and splutter

Add asafoetida and  mix well

furthermore, add garlic; sauté till garlic turns golden brown

add tamarind water, turmeric powder, curry leaves and salt; boil for 10 minutes

Furthermore add ground mixture,  jaggery, and water; mix well and cook till kuzhambu thickens

add sesame oil and roasted vathal; cook till it comes to thokku consistency