Hollandaise sauce a blender or food processor. Temperature control is critical, as excessive temperature can curdle the sauce. Hollandaise can be frozen. Basic ingredients for the sauce are; Being a mother sauce, hollandaise sauce is the foundation for many derivatives created by adding or changing ingredients, including: 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.
French cuisine of 10:00 pm and 11:00 pm. Some restaurants close for dinner on Sundays. In French cuisine, beverages that precede a meal are called apéritifs (literally: "that opens the appetite"), and can be served with amuse-bouches (literally: "mouth amuser"). Those that end it are called digestifs. The apéritif varies from region to region: Pastis is popular in the south of France, Crémant d'Alsace in the eastern region. Champagne can also be served. Kir, also called "Blanc-cassis", is a common and popular apéritif-cocktail made with a measure of crème de cassis (blackcurrant liqueur) topped up with white wine. The phrase "Kir Royal"