Beurre monté including as a sauce, as an ingredient for other sauces, as a poaching medium, or as a resting medium for cooked meat. In order to make a "beurre monté", boil a very small quantity of water, i.e. 15–60 mL (1–4 tablespoons). Once water has come to a boil, turn the heat down and start whisking the cold butter into the water, one or two chunks at a time. Add more butter whenever the chunks have melted. Once the emulsion is started, more butter can be added at a time. Continue adding butter while whisking until one has the desired quantity
Beurre d'Isigny Beurre d'Isigny Beurre d'Isigny is a type of cow's milk butter made in the area and the valleys of the rivers running into it, comprising several French communes surrounding Isigny-sur-Mer and straddling the Manche and Calvados departments of northern France. The butter has a natural golden colour as a result of high levels of carotenoids. The butter contains 82% fatty solids and is rich in oleic acid and minerals salts (particularly sodium). These salts provide flavour and a long shelf-life. The local producers requested protection for their milk products as early as the 1930s with a definition of the production