Easy Hash Brown Casserole

Hash Brown Casserole turns frozen shredded potatoes into a creamy, cheesy, crisp-topped bake that tastes cozy and feeds four for less.

Creamy hash brown casserole serving with golden cornflake topping on a white ceramic plateSave

This is the kind of easy, from-scratch-style casserole that saves dinner when the fridge looks bare. Frozen hash browns do the heavy lifting, sour cream and cream of chicken soup make the middle rich, and crushed cornflakes bake into a golden crunch on top.

 

Why You’ll Love This Recipe

  • Creamy center with tender shredded potatoes and melted cheddar in every bite.
  • Crunchy cornflake topping that turns golden and buttery in the oven.
  • Uses simple pantry and freezer staples, so it is easy on the grocery bill.
  • Great for holidays, potlucks, weeknight dinners, or breakfast for dinner.

Fabian’s Budget Tip: Buy store brand frozen hash browns and shred a block of cheddar yourself. Pre shredded cheese costs more and often melts less smoothly because of the coating added to the bag.

Measured hash brown casserole ingredients arranged on white linenSave

Ingredients (Serves 4)

  • 30 ounces frozen shredded hash browns, thawed (850 g)
  • 1 cup sour cream (240 g)
  • 1 can cream of chicken soup, 10.5 ounces (298 g)
  • 2 cups shredded cheddar cheese (225 g)
  • 6 tablespoons melted butter, divided (85 g)
  • 1 small onion, finely chopped, about 1/2 cup (75 g)
  • 1 teaspoon garlic powder (3 g)
  • 1/2 teaspoon salt (3 g)
  • 1/4 teaspoon black pepper (1 g)
  • 2 cups crushed cornflakes (60 g)

Creamy hash brown casserole mixture being spread into a ceramic baking dishSave

Step-by-Step Instructions

1. Heat the Oven and Prep the Dish

Heat your oven to 350°F (175°C). Grease a 9 by 13 inch baking dish with a little butter or cooking spray. The dish should be ready before you mix, because the filling comes together fast.

2. Mix the Creamy Potato Filling

Add the thawed hash browns to a large mixing bowl. Stir in the sour cream, cream of chicken soup, cheddar cheese, 4 tablespoons of melted butter, chopped onion, garlic powder, salt, and black pepper.

Mix until the potatoes look evenly coated and creamy. You should see little shreds of cheddar and onion throughout the bowl.

3. Spread the Casserole

Spoon the mixture into the prepared baking dish. Spread it into an even layer and lightly press it into the corners. Do not pack it down too hard, or the casserole can turn dense instead of tender.

4. Add the Buttery Cornflake Topping

In a small bowl, toss the crushed cornflakes with the remaining 2 tablespoons of melted butter. Stir until the flakes look lightly glossy. Sprinkle them evenly over the potatoes.

5. Bake Until Golden and Bubbling

Bake for 45 to 50 minutes, until the edges bubble and the top turns deep golden brown. Your kitchen should smell like toasted butter, warm cheddar, and savory potatoes.

Let the casserole rest for 5 to 10 minutes before serving. This short rest helps the creamy filling set, so each scoop holds together better.

Baked hash brown casserole with a scoop removed showing creamy potato fillingSave

Expert Troubleshooting & FAQs

Do I need to thaw the hash browns first?

Yes. Thawed hash browns mix more evenly and bake with a better texture. If you use them frozen, the casserole may take longer and can release extra water.

Why is my hash brown casserole watery?

The hash browns may have held too much ice. Thaw them fully, then pat them dry with a clean towel if they look very wet. Also let the casserole rest after baking so the sauce can settle.

Can I make this ahead of time?

Yes. Mix the potato filling and spread it in the baking dish up to 24 hours ahead. Cover and refrigerate it. Add the buttered cornflakes right before baking so they stay crisp.

Can I use a different soup?

Yes. Cream of mushroom soup or cream of celery soup both work well. Cream of chicken gives the classic savory flavor, but the others are good options if that is what you have.

How do I keep the topping from burning?

If the cornflakes brown too quickly, loosely cover the dish with foil near the end of baking. Remove the foil for the last few minutes if the center still needs to bubble.

Estimated Nutritional Facts

These numbers are rough estimates per serving and will vary based on the brands you use.

  • Calories: 610
  • Protein: 14 g
  • Carbs: 52 g
  • Fats: 39 g

Easy Hash Brown Casserole

Easy Hash Brown Casserole

Prep Time10 minCook Time50 minTotal Time60 minServings4

Ingredients

  • 30 ounces frozen shredded hash browns, thawed (850 g)
  • 1 cup sour cream (240 g)
  • 1 can cream of chicken soup, 10.5 ounces (298 g)
  • 2 cups shredded cheddar cheese (225 g)
  • 6 tablespoons melted butter, divided (85 g)
  • 1 small onion, finely chopped, about 1/2 cup (75 g)
  • 1 teaspoon garlic powder (3 g)
  • 1/2 teaspoon salt (3 g)
  • 1/4 teaspoon black pepper (1 g)
  • 2 cups crushed cornflakes (60 g)

Instructions

  • 1. Heat the Oven and Prep the Dish. Heat your oven to 350°F (175°C). Grease a 9 by 13 inch baking dish with a little butter or cooking spray. The dish should be ready before you mix, because the filling comes together fast.
  • 2. Mix the Creamy Potato Filling. Add the thawed hash browns to a large mixing bowl. Stir in the sour cream, cream of chicken soup, cheddar cheese, 4 tablespoons of melted butter, chopped onion, garlic powder, salt, and black pepper. Mix until the potatoes look evenly coated and creamy. You should see little shreds of cheddar and onion throughout the bowl.
  • 3. Spread the Casserole. Spoon the mixture into the prepared baking dish. Spread it into an even layer and lightly press it into the corners. Do not pack it down too hard, or the casserole can turn dense instead of tender.
  • 4. Add the Buttery Cornflake Topping. In a small bowl, toss the crushed cornflakes with the remaining 2 tablespoons of melted butter. Stir until the flakes look lightly glossy. Sprinkle them evenly over the potatoes.
  • 5. Bake Until Golden and Bubbling. Bake for 45 to 50 minutes, until the edges bubble and the top turns deep golden brown. Your kitchen should smell like toasted butter, warm cheddar, and savory potatoes. Let the casserole rest for 5 to 10 minutes before serving. This short rest helps the creamy filling set, so each scoop holds together better.
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Fabian

Hi, I'm Fabian! I'm a dad, husband, and everyday home cook based in Hungary. I'm passionate about the Mediterranean diet and specialize in creating healthy, budget-friendly recipes using simple supermarket ingredients. Whether we are making a quick weekday mezze or a hearty, wholesome pasta dish, my goal is to help you eat well and cook delicious, from-scratch food without breaking the bank.

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