Hollandaise sauce Hollandaise sauce Hollandaise sauce ( or ; ), formerly also called Dutch sauce, is an emulsion of egg yolk, melted butter, and lemon juice (or a white wine or vinegar reduction). It is usually seasoned with salt, and either white pepper or cayenne pepper. Hollandaise is one of the five mother sauces in French cuisine. It is well known as a key ingredient of eggs Benedict, and is often served on vegetables such as steamed asparagus. "Sauce hollandaise" is French for "Dutch sauce". The name implies Dutch origins, but the actual connection is unclear. The name "Dutch sauce" is documented
Separating eggs Separating eggs Separating eggs is a process, generally used in cooking, in which the egg yolk is removed from the egg white. This allows one part of the egg to be used without the other part, or each part to be treated in different ways. Recipes for custard call for egg yolks, for example. The most common reason for separating eggs is so the whites can be whipped. All methods for separating eggs make use of the fact that the yolk can hold itself together while the white is more runny. Since the yolks of older eggs are more watery,