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.

I like to make this sauce a vibrant yellow colour instead of the traditional red, which can be achieved with yellow devil’s tongue, habanero or scotch bonnet chillies. Of course, if you can’t ...