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 2 cups water until soft, mash smooth, and set aside.
Soak the tamarind in warm water and squeeze out 2 cups of extract.
Add the drumstick pieces, shallots, sambar powder and salt to the extract and boil for 10 minutes until the vegetables are tender.
Add the mashed dal with a little water and simmer for 5 minutes until slightly thickened.
Heat gingelly oil, pop the mustard seeds and curry leaves, and pour sizzling over the sambar; serve with rice, idli or dosa.