is this discussion about Worchestershire sauce, then?
Sorcha knows how to make it...we got some tamarind from
a thai food catalog to put in it...that is the hardest
ingredient to find...and that may be ine secret ingredient
that gives it the flavor...no, wait, it is probably the
unspecified spices what ever those are...

the most commonly available brande in the U.S. is
http://www.lea-perrins.com/selecta.php\

here is a recipe--but who in the world knows what sauce sauce is??
http://www.recipesource.com/side-dishes/sauces/02/rec0200.html
I think the recipe often contains anchovies..
and this one has ginger:
http://www.recipesource.com/side-dishes/sauces/worcestershire01.html

is it really pronounced "wooster"?
here is the wikipedia entry:
http://en.wikipedia.org/wiki/Worcestershire_sauce