Persian Cuisine is infused with surprise ingredients. One unique ingredient is Whey (Kask). Whey is the liquid remaining after milk has been curdled and strained. It is white and has been recently become very popular in the west as a nutritious ingredient. Well, this power food has been a part of Persian Cuisine for a long time. One of the most common appetizers is Kashke Bademjan (کشک بادمجان) including fried eggplant, topped with whey, garlic, and mint which is always offered at restaurants. It is delicious and no one has ever failed in trying it out!