hash brwn potato casserole

2C grated cheddar cheese
2Cans cream of chicken soup
1C sour cream
1/2C chopped onion
1/4C melted butter
1/4 tsp salt
1/4 tsp pepper
1(32 oz) pkg of frozen shredded hash browns, thawed
1 TBS melted butter

combine cheese, soup, sour cream, onion, butter, salt, pepper. mix well. fold in thawed hash browns. pour into 13x9 pan;. toss corn flakes and 1tbsp of butter sprinkle over casserole. Cook 350 dgrees for 45 min.