First, add sesame oil to a wide heavy bottomed pan
Add onion, garlic, and red chilli and saute till they start to change color
furthermore add coriander seeds and give a quick mix
Add pepper and cumin seeds; quickly mix
furthermore add tomatoes, tamarind, turmeric powder, and required salt; mix well and saute till tomatoes turn mushy
finally, add ginger powder; mix well and turn off the stove
cool and grind without adding water
Kongunad special rasam
Add oil and ghee and turn on the stove on medium flame
when the oil turns hot add mustard seeds, cumin seeds, and curry leaves; let them splutter
add ground mixture; quickly mix
furthermore add water, coriander leaves, asafoetida, and a pinch of salt; mix well and cook on low- medium flame
cook till rasam comes to a frothy boil
finally, add freshly crushed pepper; mix well and turn off the stove