Squeeze the juice out of half a lemon.Season the celery with salt to taste, pour lemon juice and leave for at least 30 minutes (ideally for an hour) The celery should secrete juice, become softer) after the celery is allowed to infuse, squeeze it out, put it in a salad bowl, add chopped greens (you can add beef meat torn into fibers)for the sauce, mix mayonnaise, then whisk all the ingredients listed above (you can, of course, use purchased mayonnaise or sour cream