Potato Casserole - cooking recipe

Ingredients

1 large pkg. hash browns, defrosted*
1/2 c. melted butter
1/2 c. onions (if not in potatoes)
small carton sour cream
1 tsp. salt
1/4 tsp. black pepper
10 oz. grated American cheese
1 can cream of mushroom soup
2 c. crushed corn flake crumbs

Preparation

*I like the ones with onions and pepper.