Greek yogurt is a yogurt that has been strained to
remove most of its whey, resulting in a thicker consistency than normal
unstrained yogurt, while still preserving the distinctive sour taste of
yogurt. Like many types, strained yogurt is often made from milk
enriched by boiling off some water content, or by adding extra butterfat
and powdered milk.
In Europe and North America, it is often made from low-fat or fat-free
cow's milk. In Iceland, a similar product named
skyr
is made.