roux

• a roux is a combination of fat and flour cooked for a particular amount of time, depending on the colour of the sauce required
• basic ingredients in a white roux sauce includes fat, flour, liquid and seasoning
• other ingredients such as cheese, parsley and mushrooms may be added for flavour
• the proportion of liquid to flour depends on the desired consistency of the sauce
• all the weighed and measured ingredients are added to a pan and brought to the boil until thickened
• examples include bechamel and veloute