Roux Roux Roux () is flour and fat cooked together and used to thicken sauces. Roux is typically made from equal parts of flour and fat by weight. The flour is added to the melted fat or oil on the stove top, blended until smooth, and cooked to the desired level of brownness. Butter, vegetable oils, bacon drippings or lard are commonly used fats. Roux is used as a thickening agent for gravy, sauces, soups and stews. It provides the base for a dish, and other ingredients are added after the roux is complete. The fat is most often butter in
Bread and butter pudding can be used instead. Sometimes raspberry, strawberry, blackberry or mixed fruit jam, marmalade, or other sweet preserves will be spread upon the bread, along with the butter. Other modern variations include scattering fresh grapes between the layers of bread, melting apples into the egg-milk mixture, and using unusual types of breads — such as brioche — to make it. Lemon or orange peel will add a characteristic flavour. The earliest bread and butter puddings were called "whitepot" and used either bone marrow or butter. Whitepots could also be made using rice instead of bread, giving rise to the rice pudding