Hash Brown Potato Casserole
["3/4 c. melted margarine, divided", "1/4 c. chopped onion", "1 can cream of chicken soup, not diluted", "1 (8 oz.) carton sour cream", "1 c. shredded Cheddar cheese", "1 (32 oz.) pkg. frozen shredded potatoes, thawed in refrigerator", "2 c. cracker crumbs"]
["Mix together 1/2 cup melted margarine, grated onion, soup, sour cream and cheese.", "Fold in potatoes.", "Spoon into greased 9 x 13-inch casserole or 2 smaller casseroles.", "Stir remaining butter into crushed cracker crumbs and sprinkle over potato mixture.", "Bake at 350\u00b0 for 40 to 50 minutes, less if poured into 2 casseroles. One pan can be frozen and used later."]
["margarine", "onion", "cream of chicken soup", "sour cream", "Cheddar cheese", "potatoes", "cracker crumbs"]