Pre-heat the oven to 350°F, and add your Corn Flakes to a quart-sized plastic bag. Then crush them up with either your hands or a rolling pin.
Combine the hash browns, melted butter, salt, pepper, minced garlic and onion, cream of chicken soup, sour cream, and shredded cheese in a large mixing bowl.
Spread the potato mixture in a greased 13×9 baking dish.
Mix together the slightly crushed Corn Flakes and melted butter in a smaller mixing bowl.
Sprinkle the buttery Corn Flakes over the top of the casserole.
Bake your hash brown casserole at 350°F for about 1 hour, ’til bubbly and golden brown.
Serve while warm.