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Hashbrown Casserole Recipe

Published: Dec 9, 2025 by Diane · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.4 from 80 reviews

If you are looking for a comforting, crowd-pleasing side dish that brings warm flavors and a nostalgic feel, this Hashbrown Casserole Recipe is sure to become your go-to favorite. With its golden, crispy topping and creamy, cheesy center, this casserole combines simple ingredients into a dish that’s bursting with texture and taste. Whether you’re preparing for a holiday gathering or a casual family dinner, this recipe delivers rich, satisfying goodness with every bite, making it an irresistible addition to any meal.

Ingredients You'll Need

Several bowls with different ingredients are arranged on a white marbled surface. In the center, there is a large clear glass bowl filled with small, white diced potato pieces. To the upper left, a smaller clear glass bowl contains melted yellow butter. Above and to the right of the potatoes is a glass bowl filled with bright orange shredded cheddar cheese. To the bottom left, a clear glass bowl holds small white diced onions. Below the onions is a small white bowl with smooth yellow mustard, and next to it on the right is another small clear glass bowl of thick white sour cream. Finally, there is a medium white bowl on the right side holding golden brown cornflakes with a crunchy texture. Photo taken with an iphone --ar 4:5 --v 7

This Hashbrown Casserole Recipe calls for straightforward ingredients that come together beautifully to create that perfect balance of creaminess and crunch. Each component adds something special — the cheese brings melty richness, the onions add subtle bite, and the cornflakes contribute an unexpected but delightful crispy topping.

  • Frozen diced hash brown potatoes: The base of the dish, offering a tender, starchy foundation that soaks up all the flavors.
  • Cream of chicken soup: Adds a creamy, savory element that keeps the casserole moist and flavorful.
  • Sour cream: Provides tang and richness to balance the mild cheese and smooth texture.
  • Shredded mild Cheddar cheese: Melts beautifully, bringing a gooey, cheesy goodness that’s crucial for comfort food appeal.
  • Chopped onion: Adds a subtle savory bite and depth to the overall flavor.
  • Unsalted butter: Used both inside and on the crunchy topping, it enhances richness and golden crispiness.
  • Cornflakes cereal: Crushed to sprinkle on top, creating a wonderfully crispy, buttery shell.
  • Fresh curly-leaf parsley sprigs (garnish): Adds a fresh pop of color and mild herbal flavor to brighten up the casserole when served.

How to Make Hashbrown Casserole Recipe

Step 1: Preheat and Prepare Your Dish

Start by heating your oven to 350°F and greasing a 2- to 3-quart baking dish with cooking spray. This step ensures that the casserole won’t stick and will bake evenly with a lovely golden exterior.

Step 2: Mix the Creamy Potato Base

In a large bowl, combine the thawed hash brown potatoes, cream of chicken soup, sour cream, shredded Cheddar cheese, and chopped onion. Add half of the melted butter (about ½ cup) and stir everything thoroughly until well blended. This creamy mixture forms the heart of the casserole, balancing hearty potatoes with indulgent textures.

Step 3: Assemble in Baking Dish

Transfer this mixture into your greased baking dish, spreading it out evenly. This creates a uniform layer that cooks through perfectly and sets up nicely for the crispy topping.

Step 4: Prepare and Add the Crunchy Topping

Crush the cornflakes cereal into small pieces and mix them with the remaining ¼ cup of melted butter. Sprinkle this buttery, crispy mixture evenly over the potato base. This step is key to achieving that signature contrast of creamy, cheesy potatoes with a crunch that makes every bite exciting.

Step 5: Bake Until Golden and Bubbling

Place the assembled casserole in the preheated oven and bake for 50 minutes. You'll know it's ready when the top is golden brown and bubbling, signaling that the cheese is melted and the potatoes are tender and flavorful.

How to Serve Hashbrown Casserole Recipe

A white bowl on a white marbled surface holds four separate layers of ingredients: finely chopped white onions at the top right, bright orange shredded cheese to their right, a smooth white creamy layer to the left of the onions, and a thick pale yellow creamy layer slightly overlapping the white cream. A wooden spoon is placed on the left side of the bowl. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Finishing your Hashbrown Casserole Recipe with fresh curly-leaf parsley sprigs not only adds a burst of cheerful green color but also a subtle herbal freshness that cuts through the dish’s richness perfectly. A little sprinkle of freshly cracked black pepper could also elevate the flavors beautifully.

Side Dishes

This casserole is a wonderful centerpiece for breakfast or brunch tables and pairs exceptionally well with classic eggs Benedict or a simple vegetable sauté. For dinner, try serving it alongside roasted chicken or glazed ham to round out your meal with hearty, satisfying textures.

Creative Ways to Present

For a fun twist, serve small portions of this casserole in individual ramekins topped with a sprinkle of extra cheese and fresh herbs. You can also add a layer of cooked crispy bacon inside for an extra smoky kick or stir in chopped green chiles for a subtle heat that livens up this classic dish.

Make Ahead and Storage

Storing Leftovers

After enjoying your Hashbrown Casserole Recipe, store any leftovers in an airtight container in the refrigerator. It will keep well for up to 3 days, giving you a convenient and delicious reheat option for busy mornings or quick dinners.

Freezing

This casserole freezes beautifully if you want to prepare it in advance. Assemble the dish, cover tightly with foil, and freeze for up to 2 months. When ready to bake, thaw overnight in the refrigerator and then proceed with baking instructions for best results.

Reheating

Reheat leftover casserole in the oven at 350°F for about 20 minutes or until warmed through to preserve the crispy topping. Alternatively, microwave individual servings for about 1 to 2 minutes for a quicker option, though the topping will lose some of its crunch.

FAQs

Can I use fresh potatoes instead of frozen hashbrowns?

Fresh potatoes can work, but you’ll need to shred and cook them first to remove excess moisture. Frozen hashbrowns are more convenient and provide consistent results in texture and moisture balance.

Is there a vegetarian version of this Hashbrown Casserole Recipe?

Absolutely! Simply swap the cream of chicken soup for a cream of mushroom or vegetable soup, and you have a delicious vegetarian alternative that retains all the creamy, comforting qualities.

Can I make this casserole dairy-free?

If you need a dairy-free version, replace sour cream with a plant-based alternative, use dairy-free cheese, and swap butter with a vegan margarine or oil. The texture might differ slightly, but it will still be tasty.

What can I do to make the casserole crispier?

For an extra crispy topping, broil the casserole for the last 2-3 minutes of baking, watching carefully so it doesn’t burn. Using crushed cornflakes ensures a satisfying crunch every time.

Is it okay to add other vegetables to this casserole?

Definitely! Adding chopped bell peppers, sautéed mushrooms, or even steamed broccoli can enhance both the flavor and nutritional value while keeping the texture delightful.

Final Thoughts

This Hashbrown Casserole Recipe is a timeless classic that’s easy to make and impossible to resist. Its comforting, cheesy layers topped with a golden crisp simply bring joy to any table. Once you try it, I’m confident it will become a staple in your recipe collection, ready to impress family and friends with ease and warmth every time you prepare it.

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Hashbrown Casserole Recipe

Hashbrown Casserole Recipe


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.4 from 80 reviews

  • Author: Diane
  • Total Time: 1 hr 10 mins
  • Yield: 10 to 12 servings
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Description

This classic hashbrown casserole is a comforting and easy-to-make dish featuring creamy hashbrowns baked with cheddar cheese, sour cream, and a crunchy cornflake topping. Perfect for potlucks, family dinners, or holiday gatherings, it combines creamy and crispy textures in every delicious bite.


Ingredients

Main Ingredients

  • 1 (32-oz.) package frozen diced hash brown potatoes, thawed
  • 1 (10 ½-oz.) can cream of chicken soup
  • 1 (8-oz.) container sour cream
  • 1 cup shredded mild Cheddar cheese
  • ½ cup chopped onion
  • ¾ cup unsalted butter, melted (divided as ½ cup and ¼ cup)
  • 2 cups cornflakes cereal

Garnish

  • Fresh curly-leaf parsley sprigs


Instructions

  1. Preheat Oven: Set your oven to 350°F (175°C) and grease a 2- to 3-quart baking dish with cooking spray to prevent sticking.
  2. Mix Ingredients: In a large bowl, combine the thawed hash browns, cream of chicken soup, sour cream, shredded Cheddar cheese, chopped onion, and ½ cup melted butter. Stir thoroughly until the mixture is smooth and well blended.
  3. Assemble Casserole: Spoon the potato mixture evenly into the prepared baking dish, spreading it out smoothly.
  4. Prepare Topping: Crush the cornflakes cereal finely and then mix it with the remaining ¼ cup melted butter. Sprinkle this buttery, crunchy topping evenly over the potato mixture in the baking dish.
  5. Bake: Place the casserole in the oven and bake at 350°F for 50 minutes, or until the topping is golden brown and the casserole is hot and bubbly throughout.
  6. Garnish and Serve: Remove from oven, let cool slightly, garnish with fresh curly-leaf parsley sprigs, then serve warm to enjoy the perfect creamy and crunchy texture combination.

Notes

  • Allow hash browns to thaw completely for even cooking.
  • You can substitute cream of chicken soup with cream of mushroom for a vegetarian variation, but adjust the diet label accordingly.
  • The cornflake topping can be replaced with crushed Ritz crackers or breadcrumbs for a different texture.
  • Use unsalted butter to control sodium levels.
  • Leftovers can be refrigerated and reheated in the oven to maintain crispiness.
  • Prep Time: 20 mins
  • Cook Time: 50 mins
  • Category: Casserole
  • Method: Baking
  • Cuisine: American

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Hi there! I’m so happy you’re here. Welcome to Eat With Diane a space where I share recipes that are simple, delicious, and filled with love to bring joy to your table.

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