Kalber Whey Sauce is a full fat yogurt that is cooked with water until it is evaporated and then strained through a cheesecloth. The pulp is then rehydrated with some water and salt to create a reasonably thick sauce.
Whey Sauce is one of the byproducts of milk that is produced by boiling, concentrating or drying the buttermilk left over Buttering or from low fat yogurt.
Iranian Whey Sauce from Kalber Dairy