firstly, in a pressure cooker add ½ cup toor dal, ¼ tsp turmeric, 1 tsp oil and 1½ cup water.
pressure cook for 5 whistles or until the dal is cooked well.
once the pressure releases, using a whisk mash the dal smooth.
now add ½ onion, 1 tomato, 1 carrot, 5 beans, 1 potato, few drumstick and 2 brinjal.
also add few curry leaves, 1 chilli and 2½ cup water.
mix well and get to a boil.
once the water comes to a boil, add ½ cup tamarind extract, 2 tbsp sambar powder, 1 tsp jaggery, ½ tsp turmeric and 1 tsp salt.
mix well making sure everything is well combined.
cover and pressure cook for 1 whistle.
once the pressure releases, open the cooker and check for seasoning and also make sure the vegetables are cooked completely.
to prepare the tempering, heat 2 tsp oil. add 1 tsp mustard, 1 tsp urad dal, 2 dried red chilli, pinch hing and a few curry leaves.
splutter the tempering.
pour the tempering over the sambar and mix well.
finally, enjoy mix veg sambar with hot steamed rice.