1 c. mayonnaise
1 tsp. yellow mustard
2 tbsp. white vinegar
1 1/2 tsp. salt
1/4 tsp. black pepper
4 c. cooked, peeled, cubed potatoes (5-6 medium)
1/2 c. chopped onion
2 hard boiled eggs, chopped
1/4 c. sweet pickles, chopped

In large bowl, stir together first five ingredients until smooth. Add remaining ingredients. Toss to coat well. Cover and chill. Best if sits overnight before serving.

Makes about five cups.