Preheat your oven to 350ºF and grease a 13x9-inch dish with cooking spray.
In a bowl mix together hash browns, butter, soup, onion, sour cream, salt, pepper and 1 cup of cheese. Transfer to baking dish and top with remaining cheese. Bake until bubbly, about 45 minutes.
Notes
The easiest way to thaw the hash browns is to keep it in the refrigerator overnight.
This dish isn't only for breakfast! Try serving it as a side for chicken or beef.
Perfect Pairing
This hash brown casserole goes perfectly with these bacon wrapped eggs.
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