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
Churning (butter) as well as the rapid technical development that has led to the advanced machinery now used. The commercial cream separator was introduced at the end of the 19th century, the continuous churn had been commercialized by the middle of the 20th century. Changing whole milk to butter is a process of transforming a fat-in-water emulsion (milk) to a water-in-fat emulsion (butter). Whole milk is a dilute emulsion of tiny fat globules surrounded by lipoprotein membranes that keep the fat globules separate from one another. Butter is made from cream that has been separated from whole milk and then cooled; fat