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.

Today we’re preparing a recipe that ... a flavorful meat sauce, all crowned with a thick layer of creamy béchamel sauce. As the rich meat sauce simmers to perfection, it imparts an aromatic promise of ...