Preparation time: 8 seconds
Difficulty level: Novice
Sprinkle a light covering of Worcestershire sauce onto one side of one piece of bread. Put the other slice on top, enclosing the sauce-covered section in the middle. Eat immediately, before the sauce diffuses into the bread.
Note to any other editors who want to delete this node: I'm not being silly, this is a real sandwich that I enjoy on occasion.