Peel the cucumbers, cut them lengthwise in half, and remove the seeds with a spoon if they are large. Slice the cucumbers into thickish half-moons and put them in a large bowl. Season with salt and pepper, sprinkle lightly with fish sauce, then add the ginger and a couple of tablespoons of palm sugar. Toss well, and let the cucumbers sit for 5 minutes or so.
Add a good spoonful of finel