Ymer is a danish soured milk product with 6 percent protein. compared to standard yogurt, it has a thicker, creamier consistency and a higher protein content. it has a slightly buttery taste and may be very subtly fizzy due to slight carbonation from the lactic fermentation. it was launched commercially in 1930s. it is made by fermenting whole milk with the bacterial culture lactococcus lactis. ymer is named after the primordial being ymir in norse mythology. in 1937, dairyman e. larsen in hatting registered his new soured milk product as ymer; the name was then used by other dairies that began making the product. modern danes will usually be more familiar with ymer as the name of the da...

Source: Wikipedia