what is Icelandic skyr?

Skyr is the traditional yogurt of Iceland that has been made for over 1,000 years. It is a strained nonfat yogurt made by incubating skim milk with live active cultures. The water naturally found in milk, called whey, is strained away to make a much thicker, creamier, and concentrated yogurt. It takes approximately four times the milk to make one cup of siggi’s skyr compared to non-strained yogurt

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