Tender lentils slow-simmered with warming turmeric, finished with a sizzling tarka of golden ghee, roasted cumin, and fresh coriander.
Pressure-cook the soaked urad dal with water, turmeric and salt for 6-8 whistles until very soft.
Heat ghee and fry the onion until golden, then add the ginger-garlic paste and tomato puree; cook until the ghee separates.
Add the cooked dal with its liquid and the garam masala.
Simmer on low heat 30-40 minutes, stirring occasionally, until rich and thick.
Serve hot with roti or rice.