The idea that we should classify food by shape is clearly erroneous. Our food classifications should be based on method of eating , not by shape! A sandwich is any food that uses a carbohydrate to protect your hands from a messier food, so that you can eat it at a card table without getting your hands dirty (a la the origin myth). Let's go through the things here: Pizza: Yes Sushi: Mostly no (the carbs don't protect…
If you rule out anything eaten with a fork, you immediately rule out open-faced sandwiches, which as far as I know, are universally referred to as open-faced sandwiches. You can pry my open-faced tuna melt on rye out of my cold dead hands. If you commit yourself to the carbohydrate as a protector from mess, is a messy sandwich still a sandwich? What about cucumber sandwiches (not messy on the inside)? You say a pie i…
I mean, the whole reason they're called "open-faced sandwiches" is to distinguish them from, you know, sandwiches, because sandwiches aren't open-faced.