Step-by-Step Instructions
1. Prep the Oven and Pan
Preheat your oven to 350°F (177°C). Lightly grease a standard 9×13-inch baking dish with non-stick cooking spray or a thin layer of butter.
2. Mix the Creamy Base
In a large mixing bowl, combine the entire can of condensed cream of chicken soup and the container of sour cream. Stir them together until completely smooth. Stir in about 1.5 cups of the shredded sharp cheddar cheese, reserving the remaining half-cup for the topping.
3. Toss in the Hashbrowns
Add the thawed shredded hashbrowns to the bowl. Using a sturdy spoon or a rubber spatula, fold the potatoes into the cheese mixture until every single strand of hashbrown is thoroughly coated in the creamy sauce.
4. Assemble the Casserole
Spread the hashbrown mixture evenly into your prepared 9×13-inch baking dish, smoothing out the top with your spatula. Sprinkle the remaining half-cup of sharp cheddar cheese uniformly across the surface.
5. Bake to Golden Perfection
Bake uncovered at 350°F for 45 to 50 minutes. You will know it is done when the edges are bubbling vigorously, the potatoes are tender, and the cheese on top has melted into a stunning, lightly browned crust.
Let the casserole rest for 5 to 10 minutes before scooping and serving. This resting time allows the cheese and cream base to set slightly, making it beautifully scoopable.
Pro-Tips for Casserole Success
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The Squeeze Trick: If your thawed hashbrowns seem excessively wet, wrap them in a clean kitchen towel or a few layers of paper towels and squeeze out the excess moisture before adding them to the bowl. This ensures your casserole stays rich and velvety rather than soggy.
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Want Extra Crunch? While the 4-ingredient version is absolute perfection on its own, the classic Southern variation often includes a crunchy top. If you want to add an optional fifth ingredient, toss 1 cup of crushed cornflakes or crushed ritz crackers with 2 tablespoons of melted butter and scatter them over the cheese before baking.
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Make it a Meal: Turn this simple side dish into a complete weeknight dinner by folding in two cups of leftover diced ham or shredded rotisserie chicken right before baking
