Tamarind - lemon size
Sambar powder or vathakozhambu powder - 2 tsp
Manathakali vathal - 2 tsps
Asafoetida - 1pinch
Turmeric - 1 pinch
Gingilly oil - 2tsp
Soak required quantity of Tamarind for tamarind liquid.
Pour Gingilly oil into frying pan.
When oil is heated up put manathakali vathal an fry.
Add tamarind water in the pan
Add vathakozhambu powder, turmeric and asafoetida
When whole things begins to boil add salt
Keep it till it boils and thickens.
You can also try this with Sundakai, Brinjals and onions.