Easy Breakfast Casserole Recipe with Hash Browns, Sausage, and Cheese
There are few breakfast dishes as comforting and crowd-pleasing as a warm breakfast casserole. Packed with crispy hash browns, savory sausage, fluffy eggs, and melted cheese, this easy breakfast casserole recipe is perfect for busy mornings, holiday breakfasts, weekend brunches, and meal prep.
One of the reasons breakfast casseroles are so popular is their versatility. You can prepare them ahead of time, customize the ingredients to suit your family's preferences, and serve a large group with minimal effort. Whether you're searching for a breakfast casserole with bread, hash browns, potatoes, sausage, or even a vegetarian version, this recipe provides the perfect foundation.
The combination of protein-rich eggs, golden hash browns, flavorful sausage, and gooey cheese creates a hearty meal that keeps everyone satisfied. It's also ideal for overnight preparation, making mornings stress-free.
If you're planning a holiday brunch, feeding overnight guests, or simply looking for a delicious breakfast meal prep idea, this breakfast casserole deserves a place in your recipe collection.
Why You'll Love This Breakfast Casserole
- Easy to prepare
- Family-friendly
- Perfect for meal prep
- Freezer-friendly
- Great for holidays and brunches
- Customizable ingredients
- Make-ahead convenience
- Loaded with protein
- Comforting and satisfying
What Is a Breakfast Casserole?
A breakfast casserole is a baked breakfast dish that combines eggs, cheese, potatoes or bread, vegetables, and often breakfast meats like sausage or bacon.
Everything is layered in a casserole dish and baked until golden brown and set. The result is a hearty breakfast that can feed a crowd while requiring minimal hands-on cooking.
Breakfast casseroles are especially popular during holidays because they can be assembled the night before and baked in the morning.
Ingredients
For the Casserole
- 1 pound breakfast sausage
- 1 package (30 ounces) frozen shredded hash browns, thawed
- 8 large eggs
- 2 cups shredded cheddar cheese
- 1 cup mozzarella cheese
- 1 cup milk
- 1 small onion, diced
- 1 bell pepper, diced
- 1 teaspoon garlic powder
- 1 teaspoon paprika
- 1 teaspoon salt
- ½ teaspoon black pepper
- 2 tablespoons chopped parsley
Optional Add-Ins
- Cooked bacon
- Diced ham
- Mushrooms
- Spinach
- Green onions
- Jalapeños
- Swiss cheese
- Monterey Jack cheese
Equipment Needed
- 9×13-inch baking dish
- Large skillet
- Mixing bowl
- Whisk
- Measuring cups
- Spatula
How to Make Breakfast Casserole
Step 1: Prepare the Oven
Preheat your oven to 375°F (190°C).
Grease a 9×13-inch baking dish with cooking spray or butter.
Step 2: Cook the Sausage
Heat a large skillet over medium heat.
Cook the sausage until browned and fully cooked.
Break it into small pieces while cooking.
Drain excess grease.
Step 3: Sauté the Vegetables
Add onions and bell peppers to the skillet.
Cook for 3–4 minutes until softened.
Remove from heat.
Step 4: Build the Base
Spread the thawed hash browns evenly across the bottom of the baking dish.
Top with cooked sausage and vegetables.
Sprinkle half of the cheese over the mixture.
Step 5: Prepare the Egg Mixture
In a large bowl, whisk together:
- Eggs
- Milk
- Garlic powder
- Paprika
- Salt
- Black pepper
Mix until smooth.
Step 6: Assemble
Pour the egg mixture evenly over the casserole.
Top with the remaining cheese.
Sprinkle parsley over the top.
Step 7: Bake
Bake for 40–45 minutes.
The center should be set and the top should be golden brown.
A knife inserted in the center should come out clean.
Step 8: Rest and Serve
Allow the casserole to rest for 10 minutes.
Slice into squares and serve warm.
Tips for the Best Breakfast Casserole
Use Freshly Shredded Cheese
Freshly shredded cheese melts better and creates a creamier texture.
Don't Skip Resting Time
Allowing the casserole to rest helps it set properly and makes slicing easier.
Thaw Hash Browns First
Removing excess moisture improves texture.
Season Well
Egg-based dishes need proper seasoning to avoid tasting bland.
Make Ahead Instructions
One of the biggest reasons people love breakfast casseroles is convenience.
To prepare ahead:
- Assemble the casserole completely.
- Cover tightly.
- Refrigerate overnight.
- Bake the next morning.
This makes it perfect for Christmas morning, family gatherings, and weekend brunches.
Overnight Breakfast Casserole
To turn this into an overnight breakfast casserole:
Prepare the casserole the evening before.
Store covered in the refrigerator for up to 12 hours.
Remove from the refrigerator 20 minutes before baking.
Bake as directed.
The flavors actually improve overnight.
Breakfast Casserole with Bread
Many people search specifically for breakfast casserole with bread.
You can easily adapt this recipe.
Replace the hash browns with:
- 6 cups cubed bread
- French bread
- Brioche
- Sourdough
- Texas toast
The bread absorbs the egg mixture and creates a soft, rich texture.
Breakfast Casserole with Potatoes
Instead of frozen hash browns, use:
- Diced potatoes
- Yukon Gold potatoes
- Red potatoes
- Roasted breakfast potatoes
Cook them before assembling the casserole.
This version offers a heartier texture.
Breakfast Casserole with Biscuits
For a biscuit version:
Use refrigerated biscuit dough cut into pieces.
Arrange biscuit pieces on the bottom of the dish.
Pour egg mixture over the top.
Bake until biscuits are golden.
This variation is especially popular for Southern-style breakfasts.
Breakfast Casserole with Bacon
Replace sausage with cooked bacon.
Use approximately:
- 10–12 slices cooked bacon
- Crumbled
The smoky flavor pairs beautifully with eggs and cheese.
Vegetarian Breakfast Casserole
Skip the sausage and add:
- Mushrooms
- Spinach
- Broccoli
- Bell peppers
- Tomatoes
- Zucchini
You'll still have a filling and delicious breakfast.
What to Serve with Breakfast Casserole
This dish pairs well with:
- Fresh fruit salad
- Orange juice
- Coffee
- Yogurt parfaits
- Pancakes
- Muffins
- Toast
- Breakfast pastries
Storage Instructions
Refrigerator
Store leftovers in an airtight container.
Keeps well for up to 4 days.
Freezer
Wrap individual portions tightly.
Freeze for up to 2 months.
Reheating Instructions
Microwave
Heat individual servings for 1–2 minutes.
Oven
Bake at 350°F until warmed through.
Common Mistakes to Avoid
Using Too Much Liquid
Excess liquid can make the casserole soggy.
Overbaking
Overbaking dries out the eggs.
Forgetting to Grease the Pan
This can make serving difficult.
Not Draining Meat
Excess grease affects texture.
Nutrition Information (Per Serving)
Servings: 10
| Nutrient | Amount |
|---|---|
| Calories | 385 kcal |
| Protein | 22 g |
| Carbohydrates | 14 g |
| Fat | 26 g |
| Saturated Fat | 10 g |
| Cholesterol | 190 mg |
| Sodium | 690 mg |
| Potassium | 470 mg |
| Fiber | 2 g |
| Sugar | 2 g |
| Calcium | 260 mg |
| Iron | 2 mg |
| Vitamin A | 550 IU |
| Vitamin C | 18 mg |
Note: Nutrition values are estimates and may vary depending on ingredient brands and substitutions.
Nutrition Highlights
-
High in protein from eggs, sausage, and cheese
-
Good source of calcium
-
Provides potassium from potatoes and vegetables
-
Filling breakfast that helps keep you satisfied longer
-
Can be made lighter by using turkey sausage, reduced-fat cheese, and low-fat milk
Frequently Asked Questions
What is a breakfast casserole?
A breakfast casserole is a baked dish made with eggs, cheese, potatoes or bread, vegetables, and breakfast meats.
Can I make breakfast casserole ahead of time?
Yes. Assemble it the night before and bake in the morning.
Can I freeze breakfast casserole?
Absolutely. It freezes well for up to two months.
What's the best cheese for breakfast casserole?
Cheddar, mozzarella, Monterey Jack, Swiss, and Colby Jack all work well.
How do I know when it's done?
The center should be fully set and a knife inserted should come out clean.
Final Thoughts
This easy breakfast casserole recipe is everything a great breakfast should be: hearty, flavorful, simple to make, and perfect for feeding a crowd. Whether you're looking for a breakfast casserole with hash browns, sausage, potatoes, bread, biscuits, bacon, or a vegetarian option, this versatile recipe can be customized to fit your needs.
From holiday mornings to weekly meal prep, this cheesy breakfast casserole is a reliable favorite that delivers delicious results every time. For TasteVera readers, it's one of those recipes worth making again and again. 😄
