Rinse the burghul in a sieve under cold running water until the water runs clear. Put it into a large bowl and leave it to soak in fresh water for about 1 hour.
Cut the cucumber into small dice and put it in a colander. Sprinkle with salt and leave it to drain. Cover with cold water and leave for 30 minutes to drain.
Transfer the burghul to a sieve and press to extract as much m