1 stick butter
1/2 lb. fresh mushrooms, sliced
1 lg. onion, chopped
3 cans minced clams
3 cans New England style clam chowder
2 cans cream of potato soup
1 qt. half & half

Cook mushrooms and onion in butter. Add clams, soups and half & half.

Heat uncovered in 225 degrees oven for 4 hours.