* Soak the dal for an hour and pressure cookr till soft.Mash
well
* Boil tamarind pulp. Add chopped tomatoes, sambhar powder,
turmeric powder, asafoetida and boil till the raw smell disappears. Add
cooked dal and salt to taste .
* Boil for minutes. Add 2 cups of cold water. Similar
for 5 to 7 minutes.
* Heat one tbsp ghee.Fry the mustasrd seeds and the curry
leaves.Pour over rasam .Add chopped coriander leaves. Serve
hot.