Roux dish, and are used solely for thickening liquids. More recently, many chefs have turned to a group of naturally occurring chemicals known as hydrocolloids. In addition to being flavorless and possessing the ability to act as a thickening agent, the resulting texture is thought by some to be superior, and only a small amount is required for the desired effect. 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
Fat rascal ashes of a peat fire, and the terms "fat rascal" and "turf cake" are sometimes used interchangeably. A Yorkshire cookery book of 1973 had plain flour, baking powder, butter and currants as the ingredients. A 1980 Yorkshire cookbook described fat rascals as a means of using leftover pastry, typically consisting of scraps of shortcrust pastry, sugared, sprinkled with currants and rolled into thick flat cakes before baking. Fat rascals, whatever their composition, do not appear to have been widely known outside the Yorkshire region until the 1980s, although there are occasional mentions in other regions, such as in Rye, Sussex