Green Bean Casserole
["2 qt. green beans, drained or French green bans", "1 (8 oz.) container sour cream", "1 c. chopped onion", "1/2 stick margarine", "8 oz. grated cheese", "1 c. crushed corn flakes"]
["Cook onion in margarine until tender.", "Add sour cream to make sauce.", "Place beans in baking dish; cover with sauce.", "Sprinkle with cheese.", "Crush corn flakes to cover cheese; top with melted margarine.", "Bake at 350\u00b0 until hot."]
["green beans", "sour cream", "onion", "margarine", "grated cheese", "corn flakes"]