Hash Brown Cheese Bake

Grrrrrgh!
Course : Potatoes
From: HungryMonster.com
Serves: 12 to 15
 

Ingredients:

1 package frozen shredded hash brown potatoes (32 -- thawed (32 oz.)
2 cans potato soup (10 oz.) -- undiluted
2 packages commercial sour cream (8 oz.)
2 cups shredded sharp Cheddar cheese (8 oz.)
1 cup grated Parmesan cheese
 

Preparation:

Combine all ingredients, stirring well; spoon into a greased 13 x 9 x 2 inch baking dish. Bake at 350 F for 40 minutes.