Cracker Barrel's Hashbrowns Casserole - Copycat

Directions:
1
Preheat oven to 350°F and spray an 11 x 14 baking dish with cooking spray.
2
Mix the above ingredients together, place in prepared pan and bake for 45 minutes or until brown on top.

Ingredients:

2 lbs frozen hash browns
1/2 cup margarine or 1/2 cup butter, melted
1 (10 1/4 ounce) can cream of chicken soup
1 pint sour cream
1/2 cup onion, peeled and chopped
2 cups cheddar cheese, grated
1 teaspoon salt
1/4 teaspoon pepper