Annie'S Great Potatoes
["1 pkg. Southern style hash browns (frozen)", "1 c. sour cream", "1 can cream of mushroom soup", "1 small onion, chopped", "3/4 stick margarine", "1 (7 to 8 oz.) pkg. shredded Cheddar cheese"]
["Saute onion in margarine.", "Mix soup, sour cream, onion and 3/4 part of cheese.", "Add potatoes; mix together.", "Put in flat baking dish.", "Top with remainder of cheese.", "Bake at 350\u00b0 for 1 hour."]
["Southern style hash browns", "sour cream", "cream of mushroom soup", "onion", "margarine", "Cheddar cheese"]