Potato Salad - Sour Cream
["1/3 c. Italian salad dressing", "7 medium potatoes, cooked in jackets, peeled and sliced", "3/4 c. thinly sliced celery", "1/3 c. sliced green onion", "4 hard-cooked eggs", "1 c. salad dressing", "1/2 c. dairy sour cream", "1 1/2 tsp. horseradish mustard"]
["Pour Italian dressing over warm potatoes.", "Chill for 2 hours. Add celery and onion.", "Chop egg whites; sieve yolks.", "Add to whites.", "Mix with salad dressing, sour cream and mustard.", "Fold into salad.", "Add salt and celery seed to taste.", "Chill 2 hours. Makes 8 servings."]
["Italian salad dressing", "potatoes", "celery", "green onion", "eggs", "salad dressing", "sour cream", "horseradish mustard"]