Wash toovar dal, tomatoes. Add the dal, tomatoes, turmeric and pressure cook.

Once the dal and tomatoes are cooked, separate the tomatoes. Mash the dal well.

Cook the dal for 5 mins. Add crushed pepper, cilantro, curry leaves and salt. Allow this to boil.

In the meantime, mash the tomatoes, remove the peel. Add little water.

Once the dal mixture starts to boil, add the tomatoes and allow to cook for 5 minutes.

When this mixture comes to boil, add the tamarind paste and any more water if required and allow to boil for another 5-8 minutes and switch off stove.

For seasoning, heat ghee in a pan, once ghee melts add mustard seeds and allow to splutter. Add Hing / Asafoetida. Add the seasoning to the rasam.

Serve hot with rice or as soup.