Oh good, I was not the only one.
I did not read the article or comments yet and still do not know what this is about so it will be a surprise.
My guess: someone found, in a cache made in a kitchen in Miami, a book with Jewish recipes (food) written in an "encypted" way so that they stay secret. The recipes date back to 13th century.
It sounds like the title of a Cluedo game.