Prep time 10 minutes Cook time Nil Serves 4 Ingredients 1 celery stick, finely diced ½ cucumber (seeds removed), finely diced ¼ cup kewpie mayonnaise ¼ cup Meander valley Creme fraiche Pinch of Tasman sea salt 1 tsp Shima wasabi powder 200g cooked prawns (tails removed), cut in half 4-8 cos