If you cannot get your hands on Nori sheets, you can use rice paper instead for making some yummy sushi. Rice paper works well for desserts. Use it to wrap fruits like strawberries, blueberries, ...

The shiso leaves or nori sheets are optional, but I like to spoon the mixture on to a leaf, wrap it up and eat it. You can also eat the poke with rice (white or brown) or another type of cooked grain.