Add all the ingredients under “to grind” in a pan and sauté till the dal turns golden brown. Switch off and let it cool down
Grind the mixture with little water
Add 1 tablespoon of oil and when the oil is hot add mustard seeds and fenugreek seeds and do tempering
Add garlic and onion and sauté till they are cooked
Add tomatoes and little salt cook till tomatoes turns mushy
Add ground paste and sauté well for a minute
Add Sambar powder and mix well
Add 3 cups of water, salt and hing and let the Kuzhambu boil;stir inbetween
Cook till the raw smell goes off and kuzhambu becomes thick