x 8 oz carton dairy sour cream
Rich in fat-soluble vitamins (particularly vitamin A) and contains probiotics from fermentation cultures, though commercial products may have reduced probiotic content due to pasteurization. Provides calcium and phosphorus for bone health.
About
Sour cream is a fermented dairy product produced by culturing regular cream with lactic acid bacteria (Lactobacillus lactis and related species). The fermentation process lowers the pH of the cream and produces lactic acid, which gives the product its characteristic tangy flavor and thickened consistency. Traditional sour cream contains a minimum of 18% milk fat and has a smooth, spoonable texture. The fermentation also develops complex flavor compounds that distinguish it from unfermented heavy cream. Commercial sour cream typically undergoes pasteurization before culturing to ensure food safety.
Sour cream originated in Eastern Europe, where cooling conditions naturally facilitated the souring of cream, and has become a staple ingredient in both European and North American cuisines. Modern varieties may include full-fat, reduced-fat, and non-fat versions, though full-fat versions maintain superior flavor and cooking properties.
Culinary Uses
Sour cream functions as both a finishing ingredient and a baking component across diverse cuisines. It is widely used as a topping for baked potatoes, tacos, chili, and soups, providing richness and acidity. In baking, sour cream adds moisture and tenderness to cakes, quick breads, and cookies while its acid content reacts with baking soda to create lift. In Eastern European and Russian cuisines, sour cream appears in stroganoff, borscht, and pierogi fillings. It also serves as a base for sauces and dressings when combined with herbs and spices. The high fat content makes it suitable for cooking at moderate temperatures, though prolonged high heat can cause separation.