Sour cream is a dairy product that is made by fermenting regular cream with lactic acid bacteria. It has a tangy flavor and a thick, creamy texture, making it a versatile ingredient in both savory and sweet dishes. Sour cream is commonly used as a topping for dishes like baked potatoes, tacos, and soups, as well as in baking recipes to add moisture and richness. It can also be used to make dips, dressings, and sauces. Sour cream is a popular ingredient in many cuisines around the world and is loved for its creamy texture and slightly sour taste.