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.

This basic white sauce recipe is so versatile, and can be dressed-up or dressed-down for any occasion. Add cheese, or flavour the milk with onion or bay. Each serving provides 657 kcal ...