/ 100 g sour cream
Sour cream is rich in saturated fat and provides fat-soluble vitamins A and D, along with calcium. It contains probiotics from the fermentation culture, though the live culture count varies by product.
About
Sour cream is a dairy product produced by fermenting regular cream with lactic acid bacteria, typically Lactococcus lactis and Leuconostoc species. Originating in Eastern Europe, it is characterized by a tangy, acidic flavor and a thick, smooth consistency that ranges from pourable to spoonable depending on fat content and production method. The fermentation process lowers the pH of the cream, curdling it slightly while developing its distinctive sour taste and creamy texture. Sour cream typically contains 18-20% milk fat and maintains a white or off-white color.
Regional variations exist, particularly between American sour cream (which may contain stabilizers and thickeners) and European versions (often with higher fat content and minimal additives). The fermentation process usually takes 12-24 hours at controlled temperatures.
Culinary Uses
Sour cream serves as both a cooking ingredient and a condiment across numerous cuisines. In Eastern European and Russian cooking, it appears in borscht, stroganoff dishes, and pierogi fillings. It is used as a topping for baked potatoes, tacos, and soups, adding richness and acidity. In baking, sour cream contributes moisture and tang to cakes, muffins, and quick breads while improving texture through its acidity. It functions as a sauce base in many traditional dishes and can replace mayonnaise in certain applications. Sour cream is also used as a marinade component and in salad dressings to add creaminess and subtle sourness.