What is 'burre noisette'?

'Burre noisette' refers to butter that has been cooked until it reaches a golden brown color, resulting in a rich, nutty flavor. This cooking process involves melting the butter over low to medium heat and allowing it to foam and then turn golden, which intensifies its taste. The transformation occurs as the milk solids in the butter caramelize, producing this distinctive flavor profile that is commonly used in various culinary applications.

In contrast, options that suggest it is a cold butter sauce, a chocolate cream sauce, or a method of emulsification do not accurately describe 'burre noisette.' The focus on the cooking technique and the resulting flavors is what distinguishes 'burre noisette' from these other culinary terms.