Last time we went to Harvest Market, we picked up a carton of skyr, which is Viking-style cultured milk. It is similar to yogurt, but not quite the same thing. It doesn't smooth out when stirred, but tends to stay chunky, not my favorite thing. It is the sourest yogurt relative I have tasted. :P There are notes strongly similar to sour cream and cream cheese. I do not like it at all for eating by itself. However, it could make an excellent ingredient, for example in cream cheese or pastries. For people who dislike sweet things and find regular yogurt too insipid, try this.