1 (32 oz.) pkg. frozen hash browns
1 can cream of chicken soup
1 (8 oz.) pkg. sour cream
1 stick melted butter
2 c. shredded Cheddar cheese
1/2 c. chopped onions
salt and pepper
1 c. crushed cornflakes

Mix together all ingredients except for the cornflakes and 1/2 stick of butter in a large mixing bowl. Pour into a 9 x 13 pan. Top with the cornflakes and remaining 1/2 stick of butter on top of cornflakes.

Bake at 350°F for 1 hour.