Potato salad recipe

2 lb. potatoes - about six medium
1 1/2 cups mayo
1 tbsp. vinegar
1 tbsp. mustard
1 tsp. salt
1/4 tsp. pepper
2 stalks celery chopped - about one cup
1 medium onion chopped - about 1/2 cup
4 hard boiled eggs

Peel, cube and boil potatoes. Mix rest of ingredients. Add potatoes and eggs when cool. For best taste refrigerate four hours before serving.