Hash Brown Potato Casserole
["1 (32 oz.) pkg. frozen hash brown potatoes, thawed", "1/2 c. butter or margarine, melted", "1/2 c. chopped onion", "1 can celery soup or chicken soup (undiluted)", "1 carton sour cream", "1 c. grated Cheddar cheese", "1 tsp. salt", "1 tsp. pepper", "1 c. Ritz cracker crumbs"]
["Combine potatoes, butter, onion, soup, sour cream and cheese. Mix well.", "Spoon in a greased 2 1/2-quart baking casserole.", "Crush crackers and mix with 1/4 cup butter.", "Sprinkle over potato mixture.", "Bake at 350\u00b0 for 45 to 50 minutes.", "Garnish with lemon twist and parsley, if desired."]
["frozen hash brown potatoes", "butter", "onion", "celery soup", "sour cream", "Cheddar cheese", "salt", "pepper", "cracker crumbs"]