Amish potato salad

6 md Potatoes
      1 sm Onion, chopped
      1 c  Celery
      1 ts Celery Seed
      1 ts Salt
      4    Hard cooked Eggs, diced
 
  Cook potatoes in their jackets until soft.  Cool, peel, and dice. Mix
  potatoes gently with the remaining 5 ingredients; then add to the dressing.
  
  DRESSING: 2 Eggs, well beaten 3/4 cup sugar 1 t Cornstarch Salt to Taste
  1/4 to 1/2 cup vinegar (to taste) 1/2 c Cream or evaporated milk 1 t
  Mustard 3 T butter, softened 1 cup Mayonnaise
  
  Mix Eggs with sugar, cornstarch and salt.  Add vinegar, cream and mustard.
  Cook until thickened.
  
  Remove from heat and beat in butter.  Add mayonnaise and mix until smooth
  Add potato mixture to the cooled dressing, folding gently together. From:
  "Amish and Mennonite Kitchens" Submitted By N.F. MILLER ORTIZ On 02-05-95
  
  From: Fido National Cooking Echo