America
First, the correct spelling is Sauce Diane (whipped-cream and truffled-finished game sauce) Simply a poivade sauce that has whipped cream folded in just before service. Classically, small moon crescent shaped truffle is added at the end.
India < i hope this helps ;)
Alfredo is an Italian Sauce best used on Fettuccine
It originated on 68 Broad Street in Worcester, England .
Diane is the term used for a cooking method, which typically involve cooking over an open flame, usually in front of the diner, and served with a savory sauce.
See this link: http://en.wikipedia.org/wiki/Espagnole_sauce#Preparation
I'm not sure but most likely Italy.
The first recorded instance of a dip or a sauce is the Ancient Roman and Greek sauce garum. It was a fish based condiment made by fermenting sardines or anchovies with larger fish intestines.
Steak Diane is a popular dish of filet mignon with a rich cream sauce, often prepared and flamed at the table. Food Network chef, Emeril Lagasse, has good, easy-to-follow recipe that is sure to impress!
Some people use single or double but the thickness depends on how much you let it heat on the stove.
They are basically choux pastry filled with cream and covered with chocolate sauce. They have a French origin but it is not known exactly where they came from