Clam Chowder Ii - cooking recipe

Ingredients

1/2 cup margarine
1 onion, chopped
3 (19 ounce) cans New England clam chowder
4 (6.5 ounce) cans minced clams
5 (10.75 ounce) cans condensed cream of potato soup
4 pints half-and-half cream

Preparation

Preheat oven to 200 Degrees F (105 Degrees C).
Saute the onion in butter. Combine the clam chowder, minced clams, cream of potato soup and half and half in a large roasting pan. Bake for 4 hours.