Potato Casserole - cooking recipe

Ingredients

1 1/2 lb. frozen potatoes O'Brien, thawed
1 can cream of chicken soup
1 pt. sour cream
1 stick melted butter
1 c. chopped onion
2 c. shredded Cheddar cheese
1 c. grated Parmesan cheese
salt and pepper
1 c. crushed cornflakes

Preparation

Mix together and put in ungreased 3-quart casserole dish. Cover with the crushed cornflakes.
Bake 1 hour at 350\u00b0.