- Firstly keep all the ingredients ready for the rasam 
- Add ghee to a wide pan and slightly heat ghee 
- Furthermore add all the ingredients except cumin seeds mentioned under “rasam crush”  and saute 
- Do even roasting till it turns aromatic and change color 
- Add cumin seeds, mix well and turn off the stove 
- Transfer to a plate and cool 
- Pulse and keep aside 
- Add Tamarind water, turmeric powder, salt and water; mix well 
- Cook in low - medium flame for 10 minutes or till raw smell goes off 
- Add pulsed rasam crush, curry leaves, coriander leaves, asafoetida and mix well 
- Cook till you see frothy boil and turn off the stove 
- Add ghee to a tadka pan, when ghee turns hot, add mustard seeds and let them splutter 
- Furthermore add cumin seeds and roast; turn off stove 
- Add drop of sesame oil and transfer the tempering to the rasam. Serve hot