Crisp Potato Salad
["1 c. mayonnaise", "2 Tbsp. vinegar", "1 1/2 tsp. salt", "1 tsp. sugar", "1/4 tsp. pepper", "3 to 4 medium potatoes, cooked, peeled and cubed", "1 1/2 c. celery, chopped", "3/4 c. onion, chopped", "3 hard-boiled eggs, chopped"]
["Combine first five ingredients.", "Stir in remaining ingredients.", "Cover and chill."]
["mayonnaise", "vinegar", "salt", "sugar", "pepper", "potatoes", "celery", "onion", "eggs"]