Hashbrown Casserole

1kg package country fried hashbrowns
2 mushroom soup
1 large sour cream
1 onion, grated
1/2 cup melted butter
2 cups of cheese (old preferably)

Topping:
2 cups of corn flakes
1/4 cup of butter, melted

Mix top group of ingredients together
Mix topping together and add mixture to top of casserole

Bake 1 - 1 1/2 hours @ 350 (50 minutes covered so to not burn cornflake mixture)