Paruppu Sambhar

This is a very simple sambhar that goes very well with Idli's and Dosai's.

Ingredients
Toor Dal - 1/2 cup
Onion - 1/2 , chopped
Tomato - 1
Oil - 1 1/2 tsp
Salt to taste
Coriander leaves chopped
Chilli Powder - 1 tsp
Turmeric Powder - 1/2 tsp

Tempering
Mustard seeds - 1 tsp
Urad Dal - 1 tsp
Dried Red chilli - 1 to 2
Cumin seeds - 1 tsp
Asafoetida - 2 pinches
Curry Leaves - 4 to 5 leaves

Wash the Toor Dal and cook in 1 1/2 cup of water until it can be mashed, this should take about 10 to 15 mins or you could pressure cook it for upto 4 whistles. In the meantime in a saute pan heat oil and add the mustard. Once the mustard splutters add the rest of the tempering ingredients. Now add the chopped onions and tomatoes and cook until the onions are translucent.Add the chilli powder, turmeric powder and after a minute add the Toor Dal and boil for 5 mins. Add salt to taste. Garnish with the chopped coriander leaves.