This sausage hashbrown breakfast casserole is a hearty and delicious way to start your day. Combining savory sausage, crispy hashbrowns, and gooey cheese, this dish is perfect for feeding a crowd or meal prepping for the week. It's easy to make and sure to become a family favorite.
If you don't usually keep breakfast sausage or frozen hashbrowns on hand, you'll need to pick these up at the supermarket. Look for breakfast sausage in the refrigerated section, often near the bacon. Frozen hashbrowns can typically be found in the freezer aisle. Make sure to thaw the hashbrowns before using them in the recipe.
Ingredients For Sausage Hashbrown Breakfast Casserole
Breakfast sausage: Cooked and crumbled, this adds a savory and meaty flavor to the casserole.
Frozen hashbrowns: Thawed, these provide a crispy and hearty base for the dish.
Cheddar cheese: Shredded, this adds a rich and creamy texture.
Eggs: Beaten, they help bind the ingredients together and add protein.
Milk: This adds moisture and helps create a custard-like consistency.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a hint of spice and depth to the flavor profile.
Technique Tip for This Breakfast Casserole
When preparing this breakfast casserole, ensure that the hashbrowns are thoroughly thawed and patted dry to remove any excess moisture. This will help achieve a crispier texture and prevent the casserole from becoming soggy. Additionally, consider using a cast iron skillet for baking, as it distributes heat more evenly and can enhance the overall flavor and texture of the dish.
Suggested Side Dishes
Alternative Ingredients
cooked and crumbled breakfast sausage - Substitute with ground turkey: Ground turkey is a leaner option and can be seasoned similarly to breakfast sausage.
cooked and crumbled breakfast sausage - Substitute with vegetarian sausage: Vegetarian sausage provides a plant-based alternative while maintaining a similar texture and flavor.
thawed frozen hashbrowns - Substitute with freshly grated potatoes: Freshly grated potatoes can be used to achieve a similar texture and taste, just ensure they are well-drained.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella cheese offers a milder flavor and melts well, making it a good alternative.
shredded cheddar cheese - Substitute with shredded Monterey Jack cheese: Monterey Jack cheese provides a creamy texture and mild flavor that complements the dish.
beaten eggs - Substitute with egg substitute: Egg substitutes are suitable for those looking to reduce cholesterol or follow a vegan diet.
milk - Substitute with almond milk: Almond milk is a dairy-free alternative that works well in casseroles.
milk - Substitute with oat milk: Oat milk provides a creamy texture and is a good option for those avoiding dairy.
salt - Substitute with soy sauce: Soy sauce can add a savory depth of flavor while reducing the need for additional salt.
black pepper - Substitute with white pepper: White pepper offers a similar heat and flavor profile but with a slightly different taste that can add variety.
Other Alternative Recipes Similar to This Breakfast Casserole
How to Store or Freeze This Breakfast Casserole
Allow the casserole to cool completely before storing. This helps prevent condensation, which can make the hashbrowns soggy.
For short-term storage, cover the baking dish tightly with aluminum foil or transfer the casserole to an airtight container. Store in the refrigerator for up to 3-4 days.
For longer storage, cut the casserole into individual portions. Wrap each portion tightly in plastic wrap and then place them in a freezer-safe bag or container. This method allows you to take out only what you need.
Label the freezer-safe bag or container with the date to keep track of freshness. The casserole can be frozen for up to 2-3 months.
When ready to enjoy, thaw the casserole portions in the refrigerator overnight. This ensures even thawing and helps maintain the texture.
To reheat, preheat your oven to 350°F (175°C). Place the thawed casserole portions in a baking dish and cover with aluminum foil. Bake for 20-25 minutes or until heated through.
Alternatively, you can reheat individual portions in the microwave. Place a portion on a microwave-safe plate and cover with a microwave-safe cover or another plate. Heat on medium power for 2-3 minutes, checking halfway through to ensure even heating.
For a crispy top, you can uncover the casserole during the last few minutes of reheating in the oven or give it a quick broil.
How to Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover sausage hashbrown breakfast casserole in an oven-safe dish.
- Cover the dish with aluminum foil to prevent it from drying out.
- Heat for about 20-25 minutes, or until the casserole is warmed through and the cheese is melted and bubbly.
- Remove the foil for the last 5 minutes if you want a crispy top.
Microwave Method:
- Place a portion of the casserole on a microwave-safe plate.
- Cover it 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 not heated through, continue in 30-second intervals until warm.
Stovetop Method:
- Heat a non-stick skillet over medium heat.
- Add a small amount of butter or olive oil to the skillet.
- Place a portion of the casserole in the skillet and cover with a lid.
- Cook for about 5-7 minutes, flipping halfway through, until the casserole is heated through and has a crispy exterior.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place a portion of the casserole in the air fryer basket.
- Heat for 5-7 minutes, checking halfway through to ensure even heating.
- Continue heating until the casserole is warmed through and the top is crispy.
Best Tools for This Recipe
Oven: Used to bake the casserole at a consistent temperature of 350°F (175°C).
Large mixing bowl: Used to combine the cooked sausage, hashbrowns, and shredded cheese.
Whisk: Used to beat the eggs and mix them with milk, salt, and pepper.
Another bowl: Used to whisk together the eggs, milk, salt, and pepper.
Greased baking dish: Used to hold the casserole mixture while it bakes in the oven.
Measuring cups: Used to measure the milk and shredded cheese accurately.
Measuring spoons: Used to measure the salt and black pepper.
Spatula: Used to stir and combine the hashbrown mixture with the egg mixture.
Knife: Used to cut and serve the casserole once it has cooled.
How to Save Time on Making This Breakfast Casserole
Prepare ingredients ahead: Cook and crumble the sausage the night before. Thaw the hashbrowns in the refrigerator overnight.
Use pre-shredded cheese: Save time by using pre-shredded cheddar cheese instead of shredding it yourself.
Mix in one bowl: Combine the sausage, hashbrowns, and cheese in one bowl to minimize cleanup.
Pre-grease the dish: Grease the baking dish ahead of time to streamline the assembly process.
Batch cooking: Double the recipe and freeze half for a quick breakfast option later.

Sausage Hashbrown Breakfast Casserole
Ingredients
Main Ingredients
- 1 lb Breakfast sausage cooked and crumbled
- 1 package Frozen hashbrowns thawed
- 2 cups Cheddar cheese shredded
- 8 Eggs beaten
- 1 cup Milk
- 1 teaspoon Salt
- ½ teaspoon Black pepper
Instructions
- Preheat your oven to 350°F (175°C).
- In a large mixing bowl, combine the cooked sausage, hashbrowns, and 1 ½ cups of shredded cheese.
- In another bowl, whisk together the eggs, milk, salt, and pepper. Pour this mixture over the hashbrown mixture and stir to combine.
- Pour the mixture into a greased baking dish. Sprinkle the remaining cheese on top.
- Bake in the preheated oven for 45 minutes, or until the top is golden and the casserole is set.
- Let it cool for a few minutes before serving. Enjoy!
Nutritional Value
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