Hash Brown Potato Casserole
["1 pkg. (1/2 lb.) frozen shredded hash brown potatoes, thawed", "1 stick margarine, melted", "1/2 c. onions, chopped", "2 c. (8 oz.) Cheddar cheese, shredded", "1 (10 1/2 oz.) can cream of chicken soup or cream of celery soup", "1 (16 oz.) carton sour cream", "1/2 tsp. salt"]
["Combine all ingredients. Spoon into buttered shallow 3-quart casserole. Bake at 350\u00b0 until bubbly (about 1 hour)."]
["potatoes", "margarine", "onions", "Cheddar cheese", "cream of chicken soup or cream of celery soup", "sour cream", "salt"]