Wash half cup toor dal and soak in ¾th cup of warm water for 15 to 20 minutes. While the dal is soaking, wash and prep the veggies. Except for tomatoes, cut the veggies to bigger chunks. Cut the drumstick to two inch pieces.
Soak tamarind in half cup of hot water for 10 minutes and then extract the pulp.
After 20 minutes, transfer the soaked dal with the water into a blender and roughly puree the dal.
Transfer the pureed dal to the inner steel pot of the instant pot. Add the tomato, veggies, sambar powder, red chili powder, turmeric, tamarind water, salt and 3 cups water.
If making the rice, place a large trivet and place the bowl with rice and water. ( For 1 cup of rice, you can use 1.5 to 1.75 cups of water)
Close the instant pot lid, adjust the vent to sealing position and pressure cook for 5 minutes. Release the pressure after 8 -10 minutes. Remove the rice and set a side.
Now to the sambar add about 1 of water and jaggery and press the saute mode
While the Sambar is simmering do the tempering. In a small pan heat sesame oil and vegetable oil. Once the oil gets hot add mustard seeds and let them pop. Add cumin seeds, fenugreek seeds, dry red chili, curry leaves, shallots and hing. Sauté for 2 minutes and add this tempering to the Sambar.
Taste and adjust the salt. Cancel the saute mode and finally add chopped coriander leaves
Delicious Sambar is ready to be served with your rice, Idli, dosa or medu vada.