2 lb. hash browns
1 small onion
1 can cream of mushroom or chicken soup
10 oz. grated sharp cheese
1 tsp. salt
1/4 tsp. pepper
1 pt. sour cream
2 c. corn flakes
1/4 c. butter

Mix together all of the above except corn flakes and butter. Put in baking dish and top with corn flakes and butter.

Bake at 350°F for 1 hour.