Looking for a fresh way to serve potatoes? You’ll love this cheesy hash brown casserole with a crunchy corn flake topping. It’s creamy, flavorful, and simple to bake—perfect as a breakfast bake or as a hearty side for lunch or dinner.

Why You’ll Love This Easy Hash Brown Casserole
- Versatile Meal. Serve it for breakfast, brunch, lunch, or dinner—this casserole fits every occasion.
- Make-Ahead Friendly. It reheats beautifully, so it’s ideal for holidays or meal prep.
- Fast Prep. You can mix everything in about five minutes, then bake—easy and reliable.
- Perfect Side Dish. Pairs well with eggs, roasted meats, or a simple salad.
5 Star Review
We make this every Christmas. I usually bring five pans because everyone LOVES it and wants seconds and thirds. A holiday must have!
Jamie
Ingredients

- Frozen diced hash browns (defrosted) – the base of the casserole.
- Salt – enhances the potato and cheese flavors.
- Chopped onion – adds savory depth.
- Cream of chicken and cream of mushroom soup – combined for a rich, creamy base.
- Sour cream – adds tang and creaminess.
- Milk – adjusts the texture so the casserole is smooth and not dry.
- Shredded cheddar cheese – melts into the mixture for classic flavor.
- Corn flakes – crushed for a crisp, buttery topping.
- Butter – melted and mixed with the corn flakes to create the topping.
How to Make Hash Brown Casserole with Corn Flakes

- Preheat the oven to 350°F and spray a 9×13-inch baking dish with nonstick spray.
- Mix the defrosted hash browns, salt, chopped onion, creams of soup, sour cream, milk, and shredded cheddar in a large bowl until combined.
- Pour the mixture into the prepared baking dish and smooth the top.
- Combine crushed corn flakes with melted butter in a small bowl and toss to coat.
- Sprinkle the corn flake topping evenly over the casserole and bake uncovered for about 45 minutes, until bubbly and golden. Serve hot.
Tips & Variations
- Make it spicy by folding in green chilies or diced jalapeños.
- Try different cheeses such as Pepper Jack, Monterey Jack, or Colby for a new flavor profile.
- Add protein by mixing in cooked bacon or sausage for a heartier dish.
- Swap hash brown style if you prefer shredded over diced—the recipe works with either.
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What to Serve with Hash Brown Casserole
Pair this casserole with complementary dishes to build a full menu:
- Appetizers: simple snacks or dips to start.
- Salads: a crisp green salad or a classic layered salad balances the richness.
- Main courses: roasted or grilled chicken, pulled pork, or a breakfast casserole for a brunch menu.
- Sides: green beans, baked beans, or roasted vegetables.
- Sweet options: when serving for breakfast, offer muffins or pancakes for a balanced spread.

Leftovers & Storing
- Make ahead: Bake the casserole the night before, cool, wrap in foil, and refrigerate. Reheat before serving.
- Store leftovers in an airtight container in the refrigerator for up to four days.
- Reheat a whole casserole in the oven for about 15 minutes or single servings in the microwave for 30–60 seconds.
- Freeze fully baked casserole (cooled and wrapped) for up to three months. Thaw overnight in the fridge before reheating.
Tools Needed
- Mixing bowls for combining ingredients.
- A 9×13-inch baking dish for baking and serving.
- A serving spoon for dishing out portions.

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4.90 from 28 ratings
Servings: 8 servings
Hash Brown Casserole with Corn Flakes
Prep Time: 5 mins
Cook Time: 45 mins
Total Time: 50 mins
This cheesy hash brown casserole is creamy, full of flavor, and easy to bake—an ideal side for any meal.
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 can (soup can) milk
- 2 cups shredded cheddar cheese
- 2 cups crushed corn flakes
- ¼ cup melted butter
Instructions
- Preheat oven to 350°F and spray a 9×13-inch baking dish with nonstick spray.
- In a large bowl, mix hash browns, salt, onion, both soups, sour cream, milk, and cheese. Pour into the prepared dish.
- In a small bowl, combine crushed corn flakes and melted butter. Sprinkle over the casserole.
- Bake uncovered for 45 minutes until bubbly and golden. Serve hot.
Notes
- Make it spicy. Add green chilies or diced jalapeños.
- Swap cheese. Pepper Jack, Monterey Jack, or Colby all work well.
- Add meat. Stir in cooked bacon or sausage for extra heft.
- Hash brown type. Shredded hash browns work if you prefer that texture.
Calories: 412
Carbohydrates: 34 g
Protein: 13 g
Carbohydrates: 34 g
Protein: 13 g
Cuisine: American
Course: Breakfast / Side
Author: Jennifer
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