Potato Salad
["5 lb. potatoes", "1 c. mayonnaise", "1 Tbsp. white vinegar", "1 Tbsp. sugar", "6 hard-boiled eggs", "1 1/2 tsp. French's mustard"]
["Mix mayonnaise, mustard, sugar and vinegar.", "Let stand in refrigerator 6 hours or overnight.", "(This improves the flavor.) Cook potatoes in jackets.", "Cut 3/4 cup onions and 1 cup celery, very small.", "Combine with cut up peeled potatoes and 4 eggs, also cut.", "Reserve 2 eggs for garnishing.", "Add dressing and mix well. Top with sliced eggs and a few sprigs parsley."]
["potatoes", "mayonnaise", "white vinegar", "sugar", "eggs"]