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 satay sauce can be tossed through a stir fry or served alongside crumbed chicken, rice and salad as a satay katsu mash-up. Alternatively, cool the sauce and use as a dip with summer or spring ...