Wash the dal in running water till the water runs clean. Then transfer to a pressure cooker container. Add water and pressure cook for 3 whistles.
1 cup toor dal, 1 cup water
Once the pressure releases naturally, open the pressure cooker. Remove the insert and lightly mash the dal using a ladle or spoon. Set aside.
In a pan add oil. Heat it up.
2 teaspoon oil
Add the aromatics. Mix well and cook for 2-3 minutes, till soft.
1 inch ginger, 1 green chili, ½ medium onion
Add in chopped vegetables and peas. Mix well.
1 medium drumstick, ½ cup bottle gourd, ½ cup carrot, ½ cup green peas, 1 small eggplant
Add salt and mix well.
1 teaspoon salt
Then add water and mix well.
1½ cup water
Cover and cook for 7-8 minutes; till the vegetables are cooked.
Add in the dal and dry spices.
1 teaspoon turmeric powder, 1 teaspoon red chili powder
Mix well and bring to a boil.
Add in chopped tomatoes and mix well. Bring to a rolling boil.
1 medium tomato
In a small pan, heat oil. Once hot add urad dal.
1 tablespoon oil, ½ teaspoon urad dal
As it starts to turn dark, add the remaining spices.
½ teaspoon mustard seeds, ½ teaspoon cumin seeds, 3 curry leaves, 1 dried red chili, ⅛ teaspoon asafetida
Let them all pop and add sambar powder. Let the powder cook for 30 seconds but not burn.
1½ teaspoon sambar masala
Then transfer to the sambar and mix well.
Boil the sambar for another 5-6 minutes.
Add tamarind paste and sugar. Then mix well and turn down the flame.
1½ teaspoon tamarind concentrate, 1 teaspoon sugar
Mix well, top with cilantro and serve with idli, dosa or simply steamed rice.