Is a hot dog a sandwich? Xavier Woods doesn’t think so but New York State Department of Taxation and Finance does. And then the idea evolved into Twitter conversations and eventually, The Cube Rule of Food Identification:
identify any food purely by the location of structural starch
Compelling arguments are made for a variety of foods including pizza (toast), sushi (also toast), toast (which is actually a sandwich), and hot dogs (which are, apparently, tacos). The logic behind it all would make a philosopher weep with hunger but it’s very interesting to think about *hits blunt*