Prep. Preheat the oven to 400ยบ F. Lightly butter a 9x13 baking dish or spray with nonstick cooking spray.
Mix. Stir together the thawed diced or shredded potatoes, half of the cheddar cheese, cream of chicken soup, sour cream, melted butter, onion, and Stone House Seasoning in a large mixing bowl. Spread into the prepared baking dish.
Bake. Bake until the potatoes are fork tender, about 30 minutes and then top the hashbrown casserole with the remaining cheddar cheese. Return the hashbrown casserole to the oven until the cheese has melted.
Serve warm.
For the Optional Topping:
Stir together the the Corn Flakes, Ritz Cracker, or Panko with the melted butter until well coated. Spread on top of the casserole and bake as directed.
Video
Notes
Make Ahead: Prepare hashbrown casserole without baking, cover tightly and store in the refrigerator for up to 3 days. To serve, bake as directed and serve. Freezer Friendly: Prepare hashbrown casserole without baking, store in an airtight, freezer-safe container in the freezer for up to 3 months. To serve, thaw in the refrigerator overnight and then bake as directed and serve.