Tamarind - Lemon size
Sambar or vathakuzhambu powder - 1 tspn(according to ur taste)
Asafotida - 1 pinch or small piece
Jaggery - small piece(If u like more sweet can add little more)
Oil - 2 tspns
Mustard - 1 tspn
Kadala paruppu/uzhatham paruppu - 1 tspn
Curry leaves - few
Soak tamarind in hot water and squeeze it. Filter and keep the water.
Cut onions into small pieces.
Heat kadai, put oil, mustard wait till it splutters. Add asafotida and kadala paruppu/uzhatham paruppu saute till brown. Now add chopped onions, little salt and saute till soft.
Add tamarind water and allow it to boil.
Add sambar or vathakuzhambu powderand boil well till raw smell goes.
Now add curry leaves and jaggery and stir well.
Keep it in medium flame till it becomes thick in consistency. Taste and see add salt if required.
Yummy Erulli Gojju is ready to serve. This is a good combination for chapathi or rice.
Tips - If it becomes too watery, mix 1 or 2 tspns of rice flour in little water, add this to vathakuzhambu and allow it to boil till you get the desired consistency.