Drain off the liquid, put the cucumber into a serving dish and chill in the fridge. The salad should be served really cold. For the sauce, mix the mustard, lemon juice, sugar, salt, pepper and ...
5. Spoon 1 tablespoon of the soy-mustard dressing in the center of each plate. Fold the cucumber slices and arrange them on the dressing. Set the grouper fillets on the cucumbers, browned sides up ...