Place a couple of tablespoons of olive oil and 1 tablespoon of butter in the pan.
Add the ginger and garlic and saute on low heat for a couple of minutes.
Add the fish, spring onion, chives and lemon juice and cook for approximately five - seven minutes or until done. Sprinkle on the lemon zest, cook for another minute and serve immediately. Plate and place a generous amount of the sauce on top.