Crème fraîche (French for "fresh cream") is a heavy cream slightly soured with bacterial culture, but not as sour or as thick as sour cream. Originally a French product, today it is available throughout Europe. Crème fraîche is made by inoculating unpasteurized light cream with lactobacillus cultures, letting the bacteria grow until the cream is both soured and thick and then pasteurizing it to stop the process. This article is about cream, the food item. ... Sour Cream is a dairy product rich in fats obtained by fermenting a regular cream by certain kinds of Lactobacillus bacteria. ... World map showing location of Europe A satellite composite image of Europe Europe is geologically and geographically a peninsula, forming the westernmost part of Eurasia. ... Pasteurization is the process of heating food for the purpose of killing harmful organisms such as bacteria, viruses, protozoa, molds, and yeasts. ... Species L. acidophilus L. bulgaricus L. plantarum L.reuteri etc. ...

Thus, it cannot be made at home with pasteurized cream—the lack of bacteria in the cream will cause it to spoil instead of sour. If unpasteurized heavy cream is not available, a substitute for crème fraîche can be produced by adding one tablespoon of vinegar to two cups of cream and letting the mixture curdle. In general, crème fraîche and sour cream can be used interchangeably in most recipes, but crème fraîche has two advantages over sour cream: it can be whipped, and it will not curdle if boiled. Vinegar (from Old French vinaigre sour wine) is a sour liquid made from the oxidation of ethanol in wine, cider, beer, or the like. ... Curdled is also the name of a Quentin Tarantino film. ...