Mix all soy mirin dressing ingredients together and leave to infuse. Strain off the ginger and garlic before using.
Whisk all horseradish cream ingredients together and season with sea salt flakes and freshly ground black pepper.
Arrange 5-6 nice slices of the kingfish on a 20cm plate or bowl. Season with sea salt flakes.
Pipe a small amount (½ tsp) of the horseradish cream on each piece of fish. Add 3 or 4 salmon caviar eggs to the top of the horseradish cream. Then place a small fennel frond on top of the eggs.
Dress the dish with a nice amount of soy mirin dressing, then a small drizzle of olive oil. Serve immediately.
