When you’re making a roux, you are combining butter and flour to thicken sauces and create deliciously rich consistencies.

When it comes to rich, luscious sauces, these two French favorites, hollandaise and mornay, are always at the top of the list ...

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 ... Some say that using cold milk in a hot roux gives the sauce more time to absorb the liquid and will result in fewer lumps. Others advocate ...