Au Gratin Potato Casserole(Texas-Style)  
["1 c. melted butter", "1 tsp. salt", "1/2 tsp. pepper", "1/2 c. chopped onion", "1 can cream of chicken soup", "1 pt. sour cream", "2 c. grated sharp Cheddar cheese", "1 (2 lb.) bag frozen Southern hash browns, thawed", "1/2 stick butter", "2 c. crushed cornflakes"]
["Mix 1 cup melted butter, salt and pepper; add onion and saute. Add soup, sour cream, cheese and potatoes; mix well.", "Place in a large greased casserole dish (9 x 13-inches).", "Melt 1/2 stick butter and add cornflakes; mix well.", "Sprinkle over casserole. Bake at 350\u00b0 for 45 minutes.", "Serves 15 to 20."]
["butter", "salt", "pepper", "onion", "cream of chicken soup", "sour cream", "Cheddar cheese", "frozen Southern hash browns", "butter", "cornflakes"]