Cheesie Potatoes

1 large pkg Frozen hash brown potatoes
1/2 cup Butter
1/2 cup Chopped onion
1/2 cup Cheddar cheese shredded
1 teaspoon Salt
1/2 teaspoon Pepper
1 pint Sour cream
1 can (10 -12 oz) Cream of Chicken Soup or mushroom or celery

— Topping —
1/2 cup Cheddar cheese
1 cup Chrushed corn flakes

Mix together all ingredients for potato dish and place in greased 9 x 13 inch oven dish. Top with the crushed corn flakes and cheddar cheese. Bake at 350 F. for 40 – 50 minutes.