Hash Brown Potato Casserole
["1 1/2 c. chopped onions", "2 pkg. frozen hash browns (24 oz.)", "2 cartons sour cream", "2 c. grated Cheddar cheese", "1/4 lb. margarine", "1 can cream of chicken soup", "1 tsp. salt", "2 c. crushed corn flakes"]
["Saute onions in margarine.", "Mix in partially thawed potatoes, sour cream, soup, cheese and salt. Top casserole with 2 cups crushed corn flakes. Bake 45 minutes at 350\u00b0.", "Can be made a day ahead, reserving the corn flakes until ready to bake.", "Serves 16."]
["onions", "frozen hash browns", "sour cream", "Cheddar cheese", "margarine", "cream of chicken soup", "salt", "corn flakes"]