Phu quoc fish sauce Phu quoc fish sauce Phu Quoc fish sauce is a variety of fish sauce produced on Phu Quoc island in southwest Vietnam. Since 2001, the Industrial Property Department of the government of Vietnam has the name "Phu Quoc Fish Sauce" as a trademark, and only registered manufacturers are allowed to use the name in Vietnam. Such protection, however, does not extend worldwide. In 2012, Phu Quoc fish sauce was granted a European Union Protected Designation of Origin (PDO) status. Traditional Phi Quac fish sauce has been made solely out of fermented anchovies, salt, and water for over 200 years. The
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.