Cook the dal, add the sliced vegetables, onions, chillies salt and boil. Meanwhile roast the ingredients of the masala in 2tsp of oil and grind it. Add the turmeric and the masala to the dal and vegetables and boil for some time. Fried and powdered fenugreek and asafoetida are added. Season with mustard, chillies and curry leaves in oil. To add the taste little tamarind water is poured into the sambar.
lnstant sambar powders are also available in the market.