Heat a pan over low to medium flame and add ghee.
Once the ghee is melted, add mustard, cumin, hing and curry leaves.
Saute well until the mustard & cumin seeds splutters.
Also add finely chopped tomatoes. Saute for 2 to 3 mins until tomatoes become soft and mushy.
Now add the cooked toor dal. Add 1 cup of water also.
Bring to a boil in a low flame.
Similarly add salt, jaggery, tamarind juice and rasam powder.
Give it a good mix.
Likewise add coconut milk and mix well.
Bring to boil for 4 to 5 mins in a low flame and turn off the heat.
Finely add chopped coriander leaves and give it a good mix.
Now the hot, tasty Rasam is ready to serve!
Serve this with hot rice with a spoonful of ghee and enjoy.