A variation of sour butter milk with onion touch makes a meal light..here comes the procedure
Butter milk-2 cups
(buttermilk of a day before)
Salt to taste
Oil 2 to 3 tsp
Mustard seeds 1/2 tsp
Methi seeds 1/4 tsp
Red chilli 1 no ( slits)
Green chillie 4 to 5 nos(slits)
Onion 1 no small(chopped finely)
Hing a pinch
Take either 2 cups of curds or 2 cups of butter milk in a bowl.
Add salt to it,and keep aside.
Place a pan,on the stove for seasoning.
Add oil to it,after heating add mustard seeds,methi seeds,red and green chilli slits
and chopped onion pieces,curry leaves and hing,saute well.
Remove from fire after done,and mix well the curds ,and serve with rice.
This can be done with butter milk.we have another variety which we make without onion
A substitute which can be made of rasam..In our families we substitute this for rasam......