More char ( buttermilk soup ) vote now PreviousNext Main DishVery Easy30 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 4 Thick buttermilk - 2 cups Water - 1 cup Sambhar powder - 1/2 teaspoon Salt to taste Chopped coriander - 1 -2 tablespoons For the Tadka Oil - 2- teaspoons Mustard - 1/2 teaspoon Methi/fenugreek seeds - 1/4 teaspoon a few curry leaves View the directions