Well, I can't find it. Somewhere in MFK Fisher's The Art of Eating is her story about, I think, the gourmand Brillat-Savarin's prescription for himself when he felt he had over-indulged. Ever since I read it I have used it, once in a very long while (in smaller quantities), when I feel jaded, and tired of food in general.
He would stay at home, open a bottle of red wine, and drink it off with the accompaniment of a loaf of bread and some good cheese.
A cleansing diet if you will.
wholegrain baguette from Sahadi's
aged Lancashire cheese
Mrs Ball's chutney
and a glass, or two, of red