Specifically, should a sandwich be cut horizontally or diagonally? It is, it seems, a question as old as, well, bread. Less than a year ago, cookbook author Deb Perelman posted a video on ...

According to a 2022 YouGov survey, 39% of responders prefer to cut their sandwiches diagonally, compared to the 20% who opt for two rectangular halves. There actually some science behind the ...