This hash brown and egg casserole is a delightful and easy-to-make dish perfect for breakfast or brunch. Combining the comforting flavors of hash browns, eggs, and cheddar cheese, this casserole is sure to be a hit with family and friends. It's a great way to start your day with a hearty and satisfying meal.
If you're planning to make this recipe, you might need to pick up a few items from the supermarket. Frozen hash browns are a key ingredient and may not be something you typically have on hand. Additionally, make sure you have enough cheddar cheese and milk to complete the dish. These ingredients are essential for achieving the rich, creamy texture and flavor that makes this casserole so delicious.

Ingredients for Hash Brown and Egg Casserole
Hash browns: These are shredded potatoes that add a crispy texture to the casserole.
Eggs: They bind the ingredients together and provide a rich, creamy texture.
Cheddar cheese: Adds a sharp, tangy flavor and creamy texture to the dish.
Milk: Helps to create a smooth, creamy consistency in the casserole.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a bit of spice and depth to the flavor profile.
Technique Tip for This Recipe
When preparing the hash browns for this casserole, make sure they are fully thawed and drained of any excess moisture. Excess water can make the casserole soggy. For an extra crispy texture, you can even pat the hash browns dry with a paper towel before mixing them into the egg mixture. This will help achieve a better consistency and enhance the overall flavor of the dish.
Suggested Side Dishes
Alternative Ingredients
thawed frozen hash browns - Substitute with grated fresh potatoes: Freshly grated potatoes can provide a similar texture and flavor, just make sure to squeeze out excess moisture.
eggs - Substitute with flax eggs: Mix 1 tablespoon of ground flaxseed with 3 tablespoons of water per egg. This is a good vegan alternative that helps bind the ingredients.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella has a milder flavor but melts well, making it a good alternative.
milk - Substitute with unsweetened almond milk: Almond milk can be used as a dairy-free alternative that still provides a creamy texture.
salt - Substitute with soy sauce: Soy sauce can add a salty and umami flavor, but use it sparingly to avoid overpowering the dish.
black pepper - Substitute with white pepper: White pepper has a similar heat but a slightly different flavor profile, making it a good alternative.
Other Alternative Recipes Similar to This Casserole
How to Store or Freeze This Casserole
- To store your hash brown and egg casserole, first allow it to cool completely. This helps prevent condensation, which can make the casserole soggy.
- Once cooled, cover the baking dish tightly with aluminum foil or plastic wrap. Alternatively, you can transfer individual portions to airtight containers.
- Store the covered casserole in the refrigerator for up to 3-4 days. This ensures it stays fresh and maintains its flavor.
- For longer storage, consider freezing the casserole. Cut it into individual portions for easy reheating.
- Wrap each portion tightly in plastic wrap and then in aluminum foil. This double layer helps prevent freezer burn.
- Place the wrapped portions in a freezer-safe bag or container, and label it with the date. The casserole can be frozen for up to 2-3 months.
- When ready to enjoy, thaw the casserole in the refrigerator overnight. This gradual thawing helps maintain the texture and flavor.
- Reheat the thawed casserole in a preheated oven at 350°F (175°C) for about 20-25 minutes, or until heated through. You can also use a microwave for quicker reheating, but the oven method will help retain the dish's original texture.
- If reheating from frozen, cover the casserole with aluminum foil and bake at 350°F (175°C) for 45-60 minutes, or until heated through. Remove the foil for the last 10 minutes to allow the top to crisp up.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover hash brown and egg casserole in an oven-safe dish.
- Cover the dish with aluminum foil to prevent the top from drying out.
- Heat for about 20-25 minutes, or until the casserole is warmed through.
- Remove the foil for the last 5 minutes to let the cheese on top get bubbly and slightly crispy.
Microwave Method:
- Place a portion of the casserole on a microwave-safe plate.
- Cover with a microwave-safe lid or a damp paper towel to retain moisture.
- Heat on medium power for 2-3 minutes, checking halfway through to ensure even heating.
- If needed, continue heating in 30-second increments until the casserole is hot throughout.
Stovetop Method:
- Heat a non-stick skillet over medium heat.
- Add a small amount of butter or olive oil to the skillet.
- Place the leftover casserole in the skillet, breaking it up slightly to ensure even heating.
- Stir occasionally, cooking for about 5-7 minutes until the casserole is heated through and the edges are slightly crispy.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the leftover casserole in the air fryer basket, ensuring it is spread out evenly.
- Heat for about 5-7 minutes, shaking the basket halfway through to ensure even heating.
- Check to make sure the casserole is heated through and the top is crispy.
Toaster Oven Method:
- Preheat the toaster oven to 350°F (175°C).
- Place the leftover casserole on a toaster oven tray.
- Cover with aluminum foil to prevent drying out.
- Heat for about 15-20 minutes, removing the foil for the last 5 minutes to crisp up the top.
Best Tools for This Recipe
Oven: Used to bake the casserole at a consistent temperature of 350°F (175°C).
Mixing bowl: Essential for whisking together the eggs, milk, salt, and pepper, and for combining the hash browns and cheese.
Whisk: Ideal for thoroughly mixing the eggs, milk, salt, and pepper to ensure an even consistency.
Measuring cups: Necessary for accurately measuring the milk and cheese.
Measuring spoons: Used to measure the salt and black pepper precisely.
Baking dish: The vessel in which the casserole mixture is poured and baked.
Cheese grater: Handy if you need to shred the cheddar cheese yourself.
Spatula: Useful for stirring the hash browns and cheese into the egg mixture and for spreading the mixture evenly in the baking dish.
Oven mitts: Important for safely handling the hot baking dish when removing it from the oven.
Cooling rack: Allows the casserole to cool slightly before serving, ensuring it sets properly.
How to Save Time on This Recipe
Pre-chop ingredients: Thaw and chop hash browns the night before to save time in the morning.
Use pre-shredded cheese: Opt for pre-shredded cheddar cheese to cut down on prep time.
Mix in advance: Whisk eggs, milk, salt, and pepper the night before and store in the fridge.
Grease the dish ahead: Prepare your baking dish in advance to streamline the process.
Batch cooking: Make a double batch and freeze one for a quick meal later.

Hash Brown and Egg Casserole
Ingredients
Main Ingredients
- 4 cups Frozen Hash Browns thawed
- 6 Eggs
- 2 cups Shredded Cheddar Cheese
- 1 cup Milk
- 1 teaspoon Salt
- ½ teaspoon Black Pepper
Instructions
- Preheat oven to 350°F (175°C).
- In a mixing bowl, whisk together eggs, milk, salt, and pepper.
- Stir in hash browns and 1 ½ cups of cheese.
- Pour mixture into a greased baking dish.
- Sprinkle remaining cheese on top.
- Bake for 45 minutes or until the top is golden and the center is set.
- Let it cool for a few minutes before serving.
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