Wasabi is a Japanese root, from the same family as horseradish. When I first saw it I was surprised to find that it isn’t green, as the dye in many shop-bought varieties may lead you to believe. I love the hit you get from having slightly too much wasabi; when it connects with the roof of your mouth – eye watering, brain tingling, nasal passage-cleansingly great. I have increased my tolerance over time, taking the pain along the way. I love it with salmon, so I had to use it in this recipe. Be careful not to overcook the salmon otherwise it will dry out.