Potato Casserole - cooking recipe

Ingredients

2 lb. frozen hash browns, thawed
1 stick butter
1 small onion
1 can cream of chicken soup
2 c. shredded cheese
1 small carton sour cream

Preparation

Melt butter and combine rest of ingredients.
Pour over potatoes.
Bake at 350\u00b0 for 1 hour.