Step 2: Mix the Casserole Base
In a large mixing bowl, combine the thawed hashbrowns, diced onions, 1½ cups of shredded cheese, cream of chicken soup, sour cream, melted butter, garlic powder, salt, and pepper. Stir until all ingredients are evenly distributed and coated.
Step 3: Transfer to Baking Dish
Pour the mixture into the prepared baking dish, spreading it evenly with a spatula. Press down lightly to ensure the top is level.
Step 4: Add Topping (Optional)
If you like a crunchy top, mix the crushed cornflakes or panko breadcrumbs with melted butter and sprinkle evenly over the casserole. You can also add the remaining ½ cup of cheese on top for extra cheesiness.
Step 5: Bake
Bake the casserole in the preheated oven for 45–55 minutes, or until the top is golden brown and the casserole is bubbling around the edges.
Step 6: Cool and Serve
Let the casserole cool for 5–10 minutes before serving. This allows it to set slightly, making it easier to cut and serve. Enjoy it as a side dish with eggs, ham, or roasted meats, or simply as a comforting meal on its own.
Tips for the Perfect Hashbrown Casserole
- Use thawed hashbrowns – Frozen straight from the bag can release too much water during baking.
- Add extra veggies – Diced bell peppers, mushrooms, or cooked bacon add flavor and texture.
- Cheese varieties – A combination of sharp cheddar and mozzarella creates a gooey, flavorful result.
- Make ahead – Assemble the casserole a day in advance and refrigerate; bake it fresh before serving.
- Leftovers – Store any leftovers in an airtight container in the fridge for up to 3 days and reheat in the oven for a crispy finish.
Hashbrown casserole is a versatile and crowd-pleasing dish that balances creamy richness with a golden, crispy top. Whether you’re feeding a family or bringing a dish to a brunch, this recipe is bound to impress and satisfy every time.
If you want, I can also create a quick 5-minute “shortcut” version of hashbrown casserole for busy mornings that’s just as delicious but faster to make. Do you want me to do that?
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