Preheat oven to 350F and spray a 13 x 9" baking pan with non-stick cooking spray.
In a large bowl, stir hash browns, 4 Tablespoons of the butter, cream of chicken soup, sour cream, onion, salt, black pepper, garlic powder, onion powder, and cheese until well combined.
Pour mixture into prepared baking dish.
In a medium sized bowl, light crush cornflakes and toss with the remaining 6 Tablespoons of butter.
Sprinkle mixture evenly over the top of the potatoes.
Bake for 40 to 45 or until golden brown.
Top with parsley and serve hot
ENJOY!.