To Evade Pre-Prohibition Drinking Laws, New Yorkers Created an Inedible Sandwich
Bar owners insisted on this bizarre charade to avoiding breaking the law—specifically, the excise law of 1896, which restricted how and when drinks could be served in New York State. They were also frustrated about New York City’s lax enforcement of so-called Sabbath laws, which included a ban on Sunday boozing. The New York Supreme Court ruled in 1907 that a Sunday meal must be ordered and delivered in “good faith” for the accompanying drinks to be legal.
Source: www.atlasobscura.com