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
Flour bomb containers of other liquid, making the removal of the resultant mixture difficult. Flour bomb Flour bomb is a fragile container (e.g. a paper bag) filled with flour for the purpose to be thrown at a person or object to cause an inconvenient messy stain. Flour bombs are a classic protest method, along with the throwing of eggs and overripe tomatoes. An example from May 2004 was the use of purple-dyed flour in condoms thrown at the Prime Minister of the United Kingdom, Tony Blair, in the chamber of the House of Commons of the United Kingdom by Fathers 4 Justice.