Wash toor dal and add them to a pressure cooker along with water.
Along with the dal add chopped onions, chopped tomato, green chili , garlic and curry leaves.
Close and pressure cook for 4- 5 whistles or until the Toor dal is cooked. Wait until the pressure subsides and open cooker. Mash the dal .
Add Sambar Powder and Tamarind
In a bowl add sambar powder along with salt, turmeric powder and chili powder.
Add little water and make a paste without any lumps.
Add the sambar powder mixture to pressure cooker along with dal.
Also add tamarind water.
Cook Sambar
Now switch on the stove and cook in a medium flame until the sambar boil and raw smell leaves.
Prepare Tadka
Heat a tadka pan with oil. Once its hot add mustard let it splutter. And then add Hing , Cumin, fenugreek seeds and chopped small onions. Saute for few secs and finally add dry red chili and curry leaves.
Switch off and add the prepared tadka to the cooked sambar.
Garnish and Serve:
Combine everything and finally add finely chopped coriander leaves to sambar. Sambar is now ready to serve.
Notes
Always soak the toor dal in water for about 15- 30 mins. This will help the dal to cook faster.
Cooking for more time removes the nutrients from the dal.