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 which makes separation difficult, it is best to begin with the freshest eggs available. Although many recipes require eggs to be at room temperature, it is easiest to separate eggs that are cold. Eggs that are at room temperature can be separated, but this requires greater caution to avoid breaking the yolk. One solution is to separate the eggs, cover them, and then allow them to come to room temperature. In this method eggs should not be allowed to sit too long because of the risk of bacteria growth. An alternate solution is to bring the bowl of egg whites