Tender lentils slow-simmered with warming turmeric, finished with a sizzling tarka of golden ghee, roasted cumin, and fresh coriander.
Pressure-cook the toor dal with turmeric and water until soft; whisk smooth.
Simmer the mixed vegetables in the tamarind paste with 1 cup water until tender.
Add the dal, sambar powder, and salt; boil 8-10 minutes.
Heat the oil, crackle the mustard seeds, and pour over the sambar.
Simmer 2 minutes and serve this sambar hot with idli or rice.