sentences:  In Bulgaria, where yogurt is considered to be an integral part of the national cuisine, strained yogurt is called "tsedeno kiselo mlyako" (), and is used in a variety of salads and dressings.Another similar product is "katak" (), which is often made from sheep or goat milk.A variety of strained yogurt called "basa" is a traditional variety of cheese from the region of Lika in Croatia.