8 medium white potatoes - boiled & cooled
1 can Cream of Chicken soup
2 cups cheddar cheese - grated 
1 bunch green onion - chopped
1 1/2 cup sour cream
2 T. butter
salt & pepper to taste
2 cups potato chips - crushed
Wash potatoes, boil with the skins on until done, set aside to cool. In a large bowl; slice potatoes 1/8 to 1/4 inch thick, add the next 6 ingredients and mix well. 
Spray a 9x13 baking dish with non-stick cooking spray. Pour potato mixture into the baking dish, bake at 350° for 40 minutes. 
Remove from the oven and sprinkle the crushed potato chips over the top of potatoes, bake for an additional 15 minutes.  Enjoy. Serves 6 to 8

The Lighter Side; 

Substitute; 
Low fat or no fat soup

Low fat or no fat sour cream 

margarine