Another Italian canned clam winner ... New Jersey Given that flour is the thickening agent used in bechamel sauce, you might think that making a gluten-free version is impossible.

First up was my friend Maria, who grew up just outside Venice, Italy, and has strong, prideful feelings on cooking traditional Italian food ... be made with béchamel sauce - and you should ...

Delia' shows you how to make béchamel sauce, using a mixture of butter and flour called a roux. A béchamel sauce is one of the French "mother sauces" and is a really good one to learn.