Chefs love crème fraîche, sour cream's rich cousin. Because of its slightly higher butterfat content, crème fraîche won't curdle in hot soups and sauces, and its brighter flavor provides more acid ...
Instant sour cream can be prepared using a similar method ... and add to cheesecakes. To make your own creme fraiche combine 2 cups cream and 2 Tablespoons of cultured buttermilk in a glass ...