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 Maître d'Hôtel Beurre Maître d'Hôtel Beurre Maître d'Hôtel, also referred to as Maître d'Hôtel butter, is a type of compound butter (French: "Beurre composé") of French origin, prepared with butter, parsley, lemon juice, salt and pepper. It is a savory butter that is used on meats such as steak (including the chateaubriand sauce for chateaubriand steak), fish, vegetables and other foods. It may be used in place of a sauce, and can significantly enhance a dish's flavor. Some variations with a sweet flavor exist. It is usually served cold as sliced disks on foods, and is sometimes served as a side condiment.