Béchamel or a white sauce has been unfashionable for many years as people worried about the health consequences of combining butter and flour, which is funny, but we don’t seem so worried about ...
The flavouring in the milk makes the sauce very aromatic and distinguishes this sauce from a plain white sauce, which might have cheese or other flavourings added to it.
The glory is in the variety: Almost anything can be slathered in between thin sheets of pasta, topped with cheese, and called a lasagna. Bolognese sauce ... A legendary white lasagna with ...