Hash Brown Casserole - cooking recipe

Ingredients

2 lb. bag frozen hash brown potatoes (Must be shredded)
16 oz.sour cream
8 oz. grated fine cheddar cheese
1 can cream of celery soup
1/2 c. chopped onion (frozen)
1/2 c. melted margarine
1 tsp. salt
dash or two black pepper

Preparation

Mix all together and put into 13 x 9 dish.
Bake at 350\u00b0 for 40 minutes until golden brown.
Can mix all together and refrigerate overnight the day before to save time.