First, wash and soak toor dal for 30 minutes

Transfer the soaked dal to a pressure cooker

Furthermore add turmeric powder, sesame oil, onion, water, and green chilli

Pressure cook for 5 whistles

Grind tomatoes and tamarind; keep aside

Add oil to a wide heavy bottomed pan and heat

When the oil turns hot, add mustard seeds, fenugreek seeds, and cumin seeds; splutter

Add small onion and curry leaves; mix well and saute till onion turns translucent

Furthermore, add ground tomatoes; saute for 2 minutes

Add water, sambar powder, and required salt; mix well and boil for 8-10 minutes

Furthermore, add cooked dal; quickly mix

Add methi leaves and  sugar;  mix well and cook for 6 minutes

Finally, add sesame oil; boil for 1 minute and turn off the stove