There's such a large difference between canned tuna and a slice of tuna sashimi, it's easy to forget they're the same fish.

A classic sushi roll filled with spicy tuna-cucumber mix wrapped in seaweed and rice Ingredients 1 piece of nori (seaweed) 30 gms of sushi rice 20 gms of thinly sliced cucumbers 40 gms of tuna ...