Clam chowder for 60

---------- Recipe via Meal-Master (tm) v8.02
  
       Title: CLAM CHOWDER FOR 60
  Categories: Soups
       Yield: 60 servings
  
      30 cn Minced clams (6-1/2 oz each)
       8 c  Diced onions
   1 1/2 lb Butter or margarine
       2 c  All-purpose flour
       3 qt Milk
       3 bn Celery, sliced
       3 c  Minced fresh parsley
      12 lb Potatoes, peeled and cubed
       3 lb Sharp cheddar cheese,
            -shredded
            Salt & pepper to taste
  
   Drain and rinse clams, reserving juice; set aside. In a large kettle,
   saute onions in butter until tender. Add flour; stir to form a smooth
   paste. Gradually add the milk, stirring constantly until slightly
   thickened (do not boil). Add celery, parsley and potatoes and cook until
   tender, about 45 minutes. Add the clams and cheese; cook until cheese is
   melted and soup is heated through. Add reserved clam juice and salt and
   pepper.
  
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