First, soak tamarind in 1+1/2 cup of water
Use a mortar and pestle and crush carom seeds, pepper, and cumin seeds
Furthermore, add garlic and ginger; crush again
Add oil and ghee to the pan and turn on the stove on medium heat
When the oil turns hot, add mustard seeds, fenugreek seeds, and red chilli; let them splutter
Add crushed ingredients; mix well and saute for 1 minute on low - medium flame
Furthermore, add tomatoes
Add curry leaves and asafoetida; quickly mix
Furthermore, filter and add tamarind water
Add turmeric powder, coriander powder, required salt, and coriander leaves; and mix well
Cook the rasam on low - medium flame for 3-5 mins
Initially, rasam starts to bubble then turns to a frothy boil
Finally, add freshly crushed pepper and asafoetida; mix well and turn off the rasam