sentence: slice the peel off of the root celery and grate the celery sentence: grate the apples sentence: crumble walnuts into a bowl with the apples and celery sentence: add lemon juice sugar salt pepper and creme fraiche and stir sentence: slice the celery stalks sentence: cut the grapes in half and add them to the salad sentence: chop parsley leaves and add to the salad sentence: mix the salad