Looking for a new way to serve potatoes? You will love this cheesy hash brown casserole with corn flakes! It’s so creamy, full of flavor, and easy to bake. Delish! Even better, it’s a side dish you can serve for breakfast but also as a side for lunch or dinner.

Love this combination of cheese and potatoes? Then you definitely need to try my Crockpot Cheesy Potatoes and Slow Cooker Cheesy Potato Soup.

A spoon dipping into a dish of cheesy hash brown casserole.

Why You’ll Love This Easy Hash Brown Casserole!

  • Enjoy It Any Time of Day. This hash brown casserole recipe is PERFECT for breakfast, lunch, and dinner! It’s delicious, creamy, savory, and so filling.
  • Great to Make A Day Ahead. This makes it perfect for a holiday breakfast or your weekly meal prep. It’s so easy to reheat and serve when you’re ready.
  • Goes Together in a Snap. Prep time is only FIVE minutes. Simply mix the ingredients together, add the topping, and bake. It’s that easy!!
  • A Tasty Side For Meals. This dish goes with a wide variety of main dishes including breakfast favorites, beef, chicken, and pork!

5 Star Review

We make this every Christmas. I usually bring 5 pans of this Cheesy Hash Brown Casserole because everyone LOVES it and wants seconds and thirds. A holiday must have!

Jamie ~

Ingredients

Ingredients to make cheesy potatoes with corn flakes on the counter before mixing and baking.
  • Hash Browns. It’s not a hash brown casserole without it, right? This recipe uses frozen diced hash browns to save time.
  • Salt. Potatoes are always better with a bit of salt!
  • Onion. Layers in more delicious flavors.
  • Creamy Soup. A mixture of cream of chicken and cream of mushroom soup serves as the creamy base for the casserole while piling on the flavors.
  • Sour Cream. The sour cream adds a thick and creamy texture that makes this casserole so delicious.
  • Milk. Adding in some milk gives this dish the perfect texture and creaminess.
  • Cheese. Cheddar cheese is our favorite!
  • Corn Flakes. An extra crunchy topping for your cheesy hash browns. 
  • Butter. It adds richness and flavor to the crunchy cornflake topping. You’ll want to melt your butter and bring it to room temp!

How To Make Hash Brown Casserole with Corn Flakes

A collage of images showing mixing the ingredients together, in the baking dish, mixing the topping, and adding the corn flakes on top.
  1. Mix Together. The hash browns, salt, onions, soups, sour cream, milk, and cheese together. 
  2. Pour. The mixture into a baking dish and smooth out the top.
  3. Mix the Topping. Combine the crushed cornflakes and melted butter in a bowl and toss to coat. 
  4. Sprinkle. The topping evenly across the top of the hash brown mixture. Bake your hash brown casserole in the preheated oven.

Tips & Variations

  • Make it Spicy. You can add some green chilies to add a mild level of spiciness and more complex flavors or chop up some fresh jalapenos for a bit more heat.
  • Swap Out the Cheese. This hash brown potato recipe will work with just about any type of cheese that melts well. Try it out with Pepper Jack, Monterey Jack, or Colby Cheese for a bit of variation.
  • Add Bacon or Sausage. You can easily mix in some crispy bacon or cooked sausage to make it a bit heartier.
  • Use Shredded Hash Browns. I prefer the texture you get from using the diced hash browns but this same recipe will also work with shredded.

What To Serve With Hash Brown Casserole

Here are some ideas for serving this dish to help you plan out your menu!

A spoon dipping into the casserole dish to pick up a serving of cheesy potatoes with corn flakes.

Leftovers & Storing

  • Make Ahead. Bake the casserole the night before and refrigerate once it has cooled and wrap it in foil. Then you can reheat it in the morning when everyone is ready to eat.
  • Store. Leftovers in an airtight container in the fridge for up to four days.
  • Reheat. If you’d like to reheat the entire casserole (such as after freezing), bake it in the oven for about 15 minutes. You can also reheat a single serving in the microwave on a microwave-safe plate for about 30-60 seconds.
  • Freeze. Freeze the fully baked casserole after it’s cooled in the freezer for up to three months. Make sure to wrap it well in foil. Thaw it out in the fridge overnight and then proceed with reheating when it’s thawed.

Tools Needed To Make This Recipe

  • Mixing Bowls. These are my favorite bowls to mix all the ingredients easily together.
  • Baking Dish. You will need a large casserole dish for these potatoes and it’s pretty for serving.
  • Serving Spoon. If you are looking for the perfect serving spoons for the holidays, these are my favorite.
Cheesy hash brown potatoes on white plate.

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Cheesy hash brown casserole with corn flakes in a dish with a spoon scooping some out.
4.90 from 28 ratings
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Servings: 8 servings

Hash Brown Casserole with Corn Flakes

Prep Time: 5 minutes
Cook Time: 45 minutes
Total Time: 50 minutes
This cheesy hash brown casserole is so creamy, full of flavor, and easy to bake. It's the perfect easy side dish for breakfast, lunch, or dinner!
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Ingredients
 

  • 32 ounces Frozen Diced Hash Browns (defrosted)
  • 1 teaspoon salt
  • ½ cup chopped onion
  • 1 can cream of chicken soup
  • 1 can cream of mushroom soup
  • 1 cup sour cream
  • ½ soup can of milk
  • 2 cups shredded cheddar cheese
  • 2 cups corn flakes, crushed
  • ¼ cup butter, melted

Instructions
 

  • Preheat the oven to 350℉ and spray a 9×13 baking dish with nonstick cooking spray.
  • In a large bowl, mix the hash browns, salt, onions, soups, sour cream, milk, and cheese together. Pour into baking dish.
  • In another small bowl, mix the crushed corn flakes and melted butter together. Sprinkle evenly across the top of the hash brown mixture.
  • Bake uncovered for 45 minutes and serve hot. Enjoy!

Notes

  • Make it Spicy. You can add some green chilies to add a mild level of spiciness and more complex flavors or chop up some fresh jalapeños for a bit more heat.
  • Swap Out the Cheese. This hash brown potato recipe will work with just about any type of cheese that melts well. Try it out with Pepper Jack, Monterey Jack, or Colby Cheese for a bit of variation.
  • Add Bacon or Sausage. You can easily mix in some crispy bacon or cooked sausage to make it a bit heartier.
  • Use Shredded Hash Browns. I prefer the texture you get from using the diced hash browns but this same recipe will also work with shredded.
Calories: 412kcal, Carbohydrates: 34g, Protein: 13g, Fat: 25g, Saturated Fat: 14g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 6g, Trans Fat: 0.2g, Cholesterol: 67mg, Sodium: 1150mg, Potassium: 499mg, Fiber: 2g, Sugar: 3g, Vitamin A: 859IU, Vitamin C: 12mg, Calcium: 270mg, Iron: 4mg
Cuisine: American
Course: Breakfast
Author: Jennifer
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