Egg and Hash Brown Casserole

written by :
Eliza Nooman
Egg and Hash Brown Casserole

Egg and hash brown casserole is the perfect dish to serve for breakfast, brunch, or even a cozy dinner. This comfort food combines the heartiness of crispy hash browns with the fluffiness of eggs and the richness of cheese. It’s a crowd-pleasing recipe that’s easy to make, and you can customize it with a variety of add-ins like vegetables, meats, and more. Whether you’re hosting a special occasion or preparing a weekday breakfast, this casserole is sure to satisfy.

If you’re looking for meal prep ideas, you might be interested in learning how to freeze casseroles for easy storage. Freezing casseroles is a great way to save time, and it ensures you always have a hearty meal ready to go. Additionally, if you’re aiming to make a healthier version of the casserole, consider tips for making casseroles healthier by reducing fat or adding more vegetables.

At its core, egg and hash brown casserole is a layered dish made with frozen hash browns, eggs, and cheese. It’s a simple, yet flavorful combination of ingredients that bake together to create a fluffy, cheesy meal. The casserole can be easily customized based on personal preferences and dietary restrictions.

Here’s a breakdown of the main ingredients:

  • Frozen hash browns – Provides a crispy, starchy base that complements the creamy eggs and cheese.
  • Eggs – The base of the dish, adding protein and structure.
  • Cheese – Cheddar, mozzarella, or any variety you like for a rich, melty texture.
  • Milk or cream – Adds creaminess to the dish, making it extra rich.

For more inspiration, check out these brunch recipes for special occasions, which include a variety of casseroles and ideas for an unforgettable spread.

There are plenty of reasons to choose egg and hash brown casserole for your next meal:

  • Convenience: It’s easy to prepare with ingredients you may already have in your pantry and fridge.
  • Customization: You can add breakfast meats, veggies, or different types of cheese to suit your taste.
  • Crowd-pleaser: This dish is perfect for feeding a group, making it ideal for family gatherings or potlucks.
  • Nutritional benefits: Packed with protein from eggs and cheese, and you can include vegetables for extra vitamins and fiber.

This casserole is not only delicious but also flexible enough to meet a variety of dietary needs. Want to make it vegetarian? Simply skip the meat and load it with mushrooms, spinach, or bell peppers.

Here are the essential ingredients you’ll need to make this dish:

  • Frozen hash browns: These form the crispy base of the casserole. If you prefer fresh potatoes, feel free to swap them out, though the texture may differ.
  • Eggs: Use large eggs for the best results, as they provide the perfect binding agent and structure to the casserole.
  • Cheese: Shredded cheddar cheese is most commonly used, but feel free to experiment with mozzarella, gouda, or a blend.
  • Dairy: Milk or heavy cream will give the casserole its smooth texture. Sour cream can be used as a substitute for an extra creamy result.
  • Seasonings: Salt, pepper, garlic powder, onion powder, and paprika are great basic seasonings. You can add other spices like chili powder or cayenne if you prefer some heat.

Optional add-ins for customization:

  • Meats: Bacon, sausage, or ham for a savory, protein-packed casserole.
  • Vegetables: Bell peppers, onions, spinach, and mushrooms work great in this dish.
  • Herbs: Fresh parsley, thyme, or chives for added flavor.

Making the perfect egg and hash brown casserole is simple, but it requires a few key steps to ensure it comes out perfectly cooked, flavorful, and cheesy. Follow these detailed instructions for a dish that’s sure to impress:

  • 1 (30 oz) bag of frozen hash browns, thawed (or 4 cups of fresh grated potatoes)
  • 8 large eggs
  • 1 cup milk or heavy cream
  • 2 cups shredded cheddar cheese (or a mix of your favorite cheeses)
  • 1/2 cup sour cream (optional, for extra creaminess)
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 2 tablespoons melted butter
  • Optional: cooked bacon, sausage, or vegetables (like bell peppers or spinach)

Start by preheating your oven to 350°F (175°C). This ensures that the casserole bakes evenly and thoroughly.

If you’re using frozen hash browns, let them thaw for a few minutes, then press out excess moisture with a paper towel or cheesecloth. This prevents the casserole from being too watery.

If using fresh potatoes, grate them and squeeze out the water using a clean kitchen towel. This step is crucial for a crispy base.

Grease a 9×13-inch baking dish with a bit of butter or non-stick cooking spray. This will help prevent the casserole from sticking to the pan.

Spread the prepared hash browns evenly over the bottom of the greased baking dish. Press them down lightly to create an even layer. This will form the crispy base of your casserole.

In a large bowl, crack the 8 eggs and whisk them together until smooth.

Add 1 cup of milk or cream, sour cream (if using), and the seasonings: garlic powder, onion powder, salt, and pepper. Mix well.

You can also add shredded cheese (about 1 1/2 cups) to the egg mixture for extra cheesiness.

Pour the egg mixture evenly over the layer of hash browns in your baking dish.

Top the casserole with the remaining 1/2 cup of shredded cheese.

For an extra flavor boost, you can add any optional ingredients like bacon bits, sausage, or sautéed vegetables like bell peppers or spinach.

Place the baking dish in the oven and bake for 45-50 minutes. The casserole should be set in the center, golden brown on top, and the cheese melted and bubbly.

To ensure the casserole is fully cooked, insert a knife or toothpick in the center. If it comes out clean (with no wet egg), it’s ready to serve. If it’s still wet, bake for an additional 5-10 minutes.

For an extra crispy top, you can broil the casserole for 3-5 minutes at the end of baking. Keep an eye on it to make sure it doesn’t burn!

Once done, remove from the oven and let it cool for a few minutes before serving. Cut into squares and serve with fresh fruit, toast, or a side salad for a complete meal.

One of the best things about egg and hash brown casserole is its versatility. Here are a few ways you can make it your own:

  • Add breakfast meats: Crumbled sausage, crispy bacon, or diced ham are popular options.
  • Use different vegetables: You can include mushrooms, spinach, onions, or bell peppers to add flavor and color.
  • Try different cheeses: While cheddar is the go-to, you can experiment with mozzarella, Monterey Jack, or Swiss for unique flavors.
  • Spice it up: Add jalapeños or a bit of hot sauce to the egg mixture for a spicy twist.

Remember, you can also adjust the recipe to suit dietary preferences. For example, if you’re looking for a lower-carb version, use a cauliflower base instead of hash browns.

While this casserole is simple, there are a few mistakes to watch out for:

  • Overcooking: Be careful not to overbake the casserole, as it can become dry. Make sure to check for doneness after 45 minutes.
  • Skipping the seasonings: Don’t forget to season the eggs well! Hash browns and cheese can be a bit bland without the right spices.
  • Using too many eggs: Stick to the recommended number of eggs to keep the texture fluffy, rather than dense.

This casserole can be served on its own, or paired with a variety of sides:

  • Fruit salad: A fresh fruit salad can add a burst of sweetness to complement the savory casserole.
  • Bread: Serve with a slice of toasted sourdough or a fresh baguette for a complete meal.
  • Salads: A side salad with greens, tomatoes, and a light vinaigrette is a refreshing addition to the rich casserole.

Egg and hash brown casserole is ideal for any breakfast gathering, from casual family breakfasts to holiday brunches.

How to Store Leftovers and Reheat Egg and Hash Brown Casserole

If you have leftovers, no problem! Egg and hash brown casserole can be stored and enjoyed for days:

  • In the fridge: Store in an airtight container for up to 3 days.
  • In the freezer: Wrap the casserole tightly in foil and freeze for up to 3 months.
  • Reheating: To reheat, bake the casserole in the oven at 350°F for 15-20 minutes. For frozen casserole, thaw it overnight in the fridge and then reheat.

1. Can I make egg and hash brown casserole ahead of time?

Yes, you can definitely make this casserole ahead of time. You can assemble the entire dish the night before, cover it tightly, and refrigerate it overnight. The next morning, simply bake it as directed, adding a few extra minutes to ensure it’s heated through. This makes it a perfect make-ahead breakfast for busy mornings or holiday gatherings.

2. Can I use fresh potatoes instead of frozen hash browns?

Yes, you can use fresh potatoes instead of frozen hash browns. If you choose to use fresh potatoes, grate them and make sure to squeeze out any excess moisture. You may also want to par-cook them (either by microwaving or briefly boiling) to ensure they cook evenly in the casserole.

3. How can I make egg and hash brown casserole without cheese?

If you want to make the casserole without cheese, simply omit it from the recipe. While the cheese adds richness and flavor, you can still enjoy a delicious casserole with just eggs, hash browns, and seasonings. For a dairy-free version, use a non-dairy milk alternative and skip the cheese, or replace it with a plant-based cheese substitute.

4. Can I freeze egg and hash brown casserole?

Yes, egg and hash brown casserole freezes well. To freeze it, assemble the casserole but don’t bake it. Cover it tightly with plastic wrap and aluminum foil, and store it in the freezer for up to 3 months. When ready to bake, thaw it overnight in the fridge and bake as usual. Alternatively, you can bake it directly from frozen; just add extra baking time.

5. What’s the best way to reheat leftover casserole?

The best way to reheat leftover casserole is to bake it in the oven at 350°F for 15-20 minutes. This will keep the texture intact and prevent the casserole from becoming soggy. If you’re in a hurry, you can also microwave individual portions, but be sure to cover it to retain moisture.

Egg and hash brown casserole is a versatile and satisfying dish that’s perfect for any occasion. Whether you’re serving it for a lazy Sunday breakfast, a holiday brunch, or even as a quick dinner, this casserole delivers both flavor and comfort in every bite. The best part? It’s incredibly customizable, so you can adjust it to suit your dietary needs or add your favorite ingredients like bacon, sausage, or vegetables.

Making this casserole ahead of time or storing leftovers makes it even more convenient for busy mornings or weeknight meals. Whether you prefer it cheesy and savory, or light and veggie-packed, this dish is sure to become a go-to recipe in your meal planning.

So, grab your ingredients, preheat that oven, and get ready to enjoy a delicious homemade casserole that’s bound to become a family favorite!

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