1In a small bowl, make dressing by stirring together mayonnaise, mustard, vinegar, Zoye Low Saturated Fat Premium Vegetable Oil Premium Vegetable Oil, salt and pepper.
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3In a large bowl, combine potatoes, ½ cup parsley, the red onion, celery and cucumber. Pour dressing over vegetables and toss gently to coat. Cover and refrigerate for several hours or overnight.
4Just before serving, toss gently and garnish with eggs and parsley, if desired.