Hash Brown Au Gratin
["2 lbs. frozen hash brown potatoes", "1 tsp. salt", "1/4 tsp. ground pepper", "2/3 cup chopped onion", "2 cups (8 oz.) shredded sharp Cheddar cheese", "3/4 cup butter or margarine, melted (divided)", "2 cups sour cream", "1 can (10 3/4 oz.) condensed cream of chicken soup", "2 cups crushed cornflakes"]
["Thaw potatoes.", "In large mixing bowl, combine potatoes, salt, pepper, onion and cheese.", "In medium mixing bowl, combine 1/2 cup melted butter, sour cream and soup.", "Pour over potato mixture and mix gently.", "Pour into 3 quart buttered casserole."]
["frozen hash brown potatoes", "salt", "ground pepper", "onion", "Cheddar cheese", "butter", "sour cream", "condensed cream", "cornflakes"]