Louisiana Creole cuisine sauce or soup thicker." The fat and flour are cooked together on the stovetop until the mixture reaches a certain level of brownness, or darkness. Creole roux in New Orleans are known to be lighter than Cajun roux and are usually made with butter or bacon fat and flour. But certain Creole dishes use a dark roux. Dark roux are usually made with oil or bacon fat and flour. The scent of a good roux is so strong that it stays in clothes until they are washed. The scent is so widely recognized in Louisiana that others can tell if
Butter Then the grains are "worked": pressed and kneaded together. When prepared manually, this is done using wooden boards called scotch hands. This consolidates the butter into a solid mass and breaks up embedded pockets of buttermilk or water into tiny droplets. Commercial butter is about 80% butterfat and 15% water; traditionally made butter may have as little as 65% fat and 30% water. Butterfat is a mixture of triglyceride, a triester derived from glycerol and three of any of several fatty acid groups. Butter becomes rancid when these chains break down into smaller components, like butyric acid and diacetyl. The