Tuna Sashimi with Avocado and Citrus Dressing

If there were ever two ingredients that were meant for each other, it would be tuna and avocado. Their sweet, mild taste and vibrant colours are perfect for sashimi, drizzled here with a sharp orange and yuzu dressing. The homemade crisp lotus wafers break up the soft texture, but feel free to substitute bought ones or rice crackers, both of which can be found at Asian stores.