Worcestershire sauce 1800s were found dumped in a skip in 2009 by company accountant Brian Keogh. The documents are to be placed on display at the Worcester City Art Gallery & Museum. Anchovies in many Worcestershire sauces is a concern to people allergic to fish, vegans, other vegetarians and others who avoid eating fish. The "Codex Alimentarius" recommends that prepared food containing Worcestershire sauce with anchovies include a label warning of fish content although this is not required in most jurisdictions. The US Department of Agriculture has forced the recall of some products with undeclared Worcestershire sauce. Several brands sell anchovy-free varieties
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.