Hashbrown casserole is one of those classic dishes that takes me straight back
to family gatherings and holiday dinners.

Creamy, cheesy, and packed with cozy flavor, it’s the kind of recipe that always disappears fast at potlucks and Sunday dinners.

What I love most about this dish is how easy it is to throw together with simple ingredients you likely already have on hand.

Just mix, bake, and watch it turn into bubbly, golden perfection.
It’s the ultimate comfort side—and pairs perfectly with ham, roast chicken, or just about anything!

Serve it up hot and enjoy that irresistible combination of crispy edges and melty cheese in every bite.

Trust me, this is one of those recipes you’ll make again and again.

For Hashbrown Casserole

Hashbrowns – Use 32 ounces of frozen shredded hashbrowns, thawed. Diced hashbrowns also work well, but avoid using fresh potatoes as they release too much moisture.

Unsalted Butter – Melted, to add richness and help bind the casserole together.

Cream of Chicken Soup – Adds creaminess and savory flavor. You can swap with cream of mushroom if needed.

Sour Cream – Full-fat sour cream keeps the casserole creamy and tangy. Greek yogurt can be used as a substitute.

Yellow Onion – Finely chopped for mild sweetness and added depth of flavor.

Cheddar Cheese – Shredded sharp or mild cheddar works great. Other options like mozzarella, Colby, or Monterey Jack can be used too.

Salt & Black Pepper – Just enough to season everything and bring out the flavors.

Hashbrown Casserole

This cheesy, comforting hashbrown casserole is quick to prepare and perfect for family dinners, holidays, or potlucks. A true crowd-pleaser!

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Course: Side Dish

Cuisine: American

Keyword: Hashbrown Casserole

Prep Time: 10

Cook Time: 45

Total Time: 55

Servings:

Notes

Ingredients

32 oz frozen hashbrowns, thawed
½ cup (113g) unsalted butter, melted
1 can (10.25 oz) cream of chicken soup
16 oz full-fat sour cream
½ cup (71g) finely chopped yellow onion (about 1 small onion)
8 oz shredded cheddar cheese (about 2 cups)
1 tsp salt
½ tsp black pepper

Instructions

Preheat oven to 375°F (190°C). Grease a 9x13-inch baking dish.
In a large mixing bowl, combine all the ingredients and stir until well mixed.
Pour the mixture into the prepared baking dish and spread evenly.
Bake for 30 to 45 minutes, or until the top is golden brown and the edges are bubbling.
Let the casserole sit for 10 minutes before serving.
Optional: Garnish with chopped parsley or chives for a fresh touch.

Tips & Variations

Hashbrowns: Use thawed frozen shredded or diced hashbrowns. Avoid fresh potatoes due to excess moisture.
Soup Swap: Cream of mushroom soup can be used instead of cream of chicken.
Sour Cream Substitute: Full-fat plain Greek yogurt works as a great alternative.
Cheese Options: While cheddar is classic, mozzarella, gouda, Monterey Jack, or Colby can be used for different flavors.
Funeral Potatoes: Add a topping of crushed cornflakes or Ritz crackers before baking for extra crunch.
Add Some Heat: Stir in a 4 oz can of green chiles for a mild spicy kick.

Make Ahead & Storage

Make Ahead: Assemble the casserole, cover, and refrigerate for up to 2 days before baking.
Leftovers: Store in an airtight container in the fridge for up to 4 days.
Freezing: Freeze before or after baking (once cooled). Wrap tightly and freeze for up to 3 months. Thaw in the fridge before reheating.

Nutrition

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1. Do I need to thaw frozen hash browns before using them in the casserole?
Yes, it’s best to thaw frozen hash browns before mixing them into the casserole. Thawing ensures even cooking and prevents a mushy or watery texture.

2. Can I substitute fresh potatoes for frozen hash browns?
While possible, using fresh potatoes requires extra steps. Peel and shred russet potatoes, then soak them in water to remove excess starch. Drain and pat them dry thoroughly to prevent excess moisture in the casserole.

3. How can I add a crunchy topping to my hashbrown casserole?
For a crispy topping, mix crushed cornflakes with melted butter and sprinkle over the casserole before baking. Alternatively, crushed Ritz crackers or potato chips can be used for added crunch.

4. Can I prepare the casserole ahead of time?
Absolutely! Assemble the casserole, cover it tightly, and refrigerate for up to 24 hours before baking. This makes it convenient for gatherings or busy mornings.

5. How do I store and reheat leftovers?
Store leftover casserole in an airtight container in the refrigerator for up to four days. Reheat individual portions in the microwave or warm the entire casserole in the oven until heated through.