In a bowl, add: the couscous, salt powder, pour in the hot water, cover with cling film and leave for 5 minutes to swell.
Meanwhile, clean the celery and cut it into slices, remove the seeds from the pomegranate.
Mix the couscous well with the butter, add the celery, pomegranate seeds, squeeze the lemon juice, pour in the oil, add the grated garlic and chopped herbs.