Potato Salad for One Hundred

Salad:
25 pounds potatoes
2 cups onions, chopped
2 dozen eggs
4 cups celery, chopped

Boil potatoes in skins and hard boil eggs. Cool, peel and chop them. Add onions and celery.

Dressing:
2 quarts salad dressing
1 cup cider vinegar
1/2 cup prepared mustard
1/3 cup salt
1 quart half-and-half
1 tablespoon pepper
1 cup granulated sugar

Combine ingredients, mixing well. Add to potato mixture.