2 lbs. frozen hash brown potatoes
16 oz. sour cream
10 oz. grated cheddar cheese
1 can cream of chicken soup
1 stick butter
1 tsp. salt
1/2 tsp. pepper
1/2 chopped med. onion

Mix in bowl. Put in a (Pam'd) Pyrex dish about 9x13. Top with cornflake crumbs. Bake at 350 degrees for 1 1/2 hours.