Crème fraîche is similar to sour cream. In fact, they are made by the same process: inoculating dairy with a bacterial culture that converts lactose to lactic acid, which in turn coagulates the proteins in the dairy and thickens the mixture.

The main difference between the two products is that crème fraîche is cultured whole cream (about 30% milk fat) while sour cream is made from leaner dairy products (usually about 15% fat). The added fat in crème fraîche gives it two advantages over sour cream. First, it has a more luxurious texture. Second, the fat tempers the acidity, making for a subtler and more rounded flavour.

Making Crème Fraîche at Home

Fresh dairy naturally contains the bacteria that would, … Continue reading.