1 lb. bag hash browns
1 can cream of chicken soup
1 (8 oz.) pkg. sour cream
1 lb. American cheese, grated
1 c. corn flakes
1 stick butter

Pour hash browns in pan. Heat sour cream and soup until bubbly; pour over hash browns. Crumble corn flakes and spread over cheese. Melt butter and pour over top. Bake at 350 degrees for 1 hour.