1 c. Best Food mayonnaise
2 tbsp. white vinegar
1 1/2 tsp. salt
1 tsp. sugar
1/4 tsp. pepper
4 c. cooked, peeled, cubed potatoes (5 or 6 med. ones)
1 c. sliced celery
1/2 c. chopped onion
2 hard cooked eggs, chopped

In large bowl, stir together first 5 ingredients. Add remaining ingredients. Toss to blend well. Cover and chill.