Béchamel sauce Béchamel sauce Béchamel sauce (; ), also known as white sauce, is made from a white roux (butter and flour) and milk. It has been considered, since the seventeenth century, one of the mother sauces of French cuisine. It is used as the base for other sauces (such as Mornay sauce, which is Béchamel with cheese). Balsamell or Besciamella is the Italian equivalent of the French Béchamel: a very simple white sauce of flour, butter and milk. The sauce was originally from renaissance Tuscany and was known as "Salsa Colla or Colletta" ("glue sauce") because of the gluey consistency of
Thickening agent flour and fat (usually butter) cooked into a paste, is used for gravies, sauces and stews. Cereal grains (oatmeal, couscous, farina, etc.) are used to thicken soups. Yogurt is popular in Eastern Europe and Middle East for thickening soups. Soups can also be thickened by adding grated starchy vegetables before cooking, though these will add their own flavour. Tomato puree also adds thickness as well as flavour. Egg yolks are a traditional sauce thickener in professional cooking; they have rich flavor and offer a velvety smooth texture but achieve the desired thickening effect only in a narrow temperature range. Overheating