Inspired by: Japan
Instead of making smaller bite-sized sushi pieces, why not create a giant one between a sarnie?
While raw fish isn't everybody's ideal nosh, there are other options such as prawns and shrimp and there's even simple vegetarian version.
Score: 4/5
Because of the bread, you'll need less rice than normal. An be careful with the wasabi paste – a little goes a very long way!