Cheesy Potatoes - cooking recipe

Ingredients

2 lb. bag frozen hash brown potatoes
8 oz. shredded Cheddar cheese
8 oz. sour cream
1 c. Parmesan cheese

Preparation

Mix together.
Bake at 350\u00b0 for 1 hour.
Sprinkle on Parmesan. Bake for additional 30 minutes.