Start your day with a hearty and satisfying sausage hash brown breakfast casserole. This dish combines the savory flavors of breakfast sausage, hash browns, and cheddar cheese into a delicious and easy-to-make meal that will please the whole family.
Most of the ingredients in this recipe are commonly found in households, but you might need to pick up a few items at the supermarket. Make sure to get a package of frozen hash browns and breakfast sausage. Also, ensure you have enough shredded cheddar cheese on hand, as it plays a crucial role in the dish's flavor.

Ingredients for Sausage Hash Brown Breakfast Casserole
Breakfast sausage: Adds a savory and slightly spicy flavor to the casserole.
Hash browns: Provides a crispy and hearty base for the dish.
Cheddar cheese: Melts beautifully and adds a rich, cheesy taste.
Milk: Helps to create a creamy texture in the casserole.
Eggs: Binds the ingredients together and adds protein.
Salt: Enhances the overall flavor of the dish.
Black pepper: Adds a touch of heat and depth to the flavor.
Technique Tip for This Breakfast Casserole
To ensure your hash browns are perfectly crispy in the casserole, spread them out on a baking sheet and bake at 400°F (200°C) for about 15 minutes before mixing them with the sausage and cheese. This extra step helps remove excess moisture, giving your breakfast casserole a delightful texture.
Suggested Side Dishes
Alternative Ingredients
cooked and crumbled breakfast sausage - Substitute with cooked and crumbled turkey sausage: Turkey sausage is a leaner option and provides a similar texture and flavor.
cooked and crumbled breakfast sausage - Substitute with cooked and crumbled vegetarian sausage: Vegetarian sausage offers a plant-based alternative with a similar taste and texture.
thawed frozen hash browns - Substitute with freshly grated potatoes: Freshly grated potatoes can be used if you prefer a fresher taste and texture.
thawed frozen hash browns - Substitute with sweet potato hash browns: Sweet potato hash browns add a different flavor profile and additional nutrients.
shredded cheddar cheese - Substitute with shredded mozzarella cheese: Mozzarella cheese provides a milder flavor and a creamier texture.
shredded cheddar cheese - Substitute with shredded Swiss cheese: Swiss cheese offers a nutty and slightly sweet flavor that complements the dish.
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 dairy-free option.
beaten eggs - Substitute with egg substitute: Egg substitutes are ideal for those with egg allergies or dietary restrictions.
beaten eggs - Substitute with flaxseed meal and water mixture: A mixture of flaxseed meal and water can act as a vegan egg replacement.
salt - Substitute with soy sauce: Soy sauce adds a salty flavor along with umami notes.
salt - Substitute with sea salt: Sea salt can be used as a more natural alternative to table salt.
black pepper - Substitute with white pepper: White pepper provides a similar heat without the black specks.
black pepper - Substitute with cayenne pepper: Cayenne pepper adds a bit more heat and a different flavor profile.
Other Alternative Recipes Similar to This Breakfast Casserole
How To Store / Freeze This Breakfast Casserole
- Allow the casserole to cool completely before storing. This helps prevent condensation, which can make the dish soggy.
- For short-term storage, cover the baking dish tightly with plastic wrap or aluminum foil. Alternatively, transfer individual portions to airtight containers.
- Store in the refrigerator for up to 3-4 days. Reheat in the oven at 350°F (175°C) for about 15-20 minutes or until heated through.
- For freezing, cut the cooled casserole into individual servings. Wrap each piece tightly in plastic wrap and then in aluminum foil to prevent freezer burn.
- Place the wrapped pieces in a freezer-safe bag or container. Label with the date and contents.
- Freeze for up to 2-3 months. When ready to eat, thaw overnight in the refrigerator.
- Reheat thawed portions in the oven at 350°F (175°C) for about 20-25 minutes or until heated through. For a quicker option, use the microwave, heating on medium power in 1-minute intervals until warm.
How To Reheat Leftovers
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover sausage hash brown breakfast casserole in an oven-safe dish.
- Cover the dish with aluminum foil to prevent it from drying out.
- Bake for 20-25 minutes, or until heated through. Remove the foil for the last 5 minutes to let the top get 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. Continue heating in 30-second intervals until hot.
Stovetop Method:
- Heat a non-stick skillet over medium heat.
- Add a small amount of olive oil or butter to the skillet.
- Place the leftover casserole in the skillet and cover with a lid.
- Cook for 5-7 minutes, stirring occasionally, until heated through and slightly crispy.
Air Fryer Method:
- Preheat your air fryer to 350°F (175°C).
- Place the leftover casserole in the air fryer basket in a single layer.
- Heat for 5-7 minutes, shaking the basket halfway through to ensure even heating.
Toaster Oven Method:
- Preheat your toaster oven to 350°F (175°C).
- Place the casserole on a toaster oven-safe tray.
- Cover with aluminum foil and heat for 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).
Skillet: Utilized to cook and brown the sausage over medium heat.
Mixing bowl: A large bowl to combine the hash browns, cooked sausage, and cheese.
Whisk: Essential for beating the eggs and mixing them with milk, salt, and pepper.
Baking dish: A greased dish to transfer the hash brown mixture into for baking.
Spatula: Handy for stirring the hash brown mixture and ensuring everything is well combined.
Measuring cups: Used to measure out the milk and cheese accurately.
Measuring spoons: Necessary for measuring the salt and pepper precisely.
How to Save Time on Making This Breakfast Casserole
Use pre-cooked sausage: Save time by using pre-cooked sausage instead of cooking it from scratch.
Pre-shredded cheese: Opt for pre-shredded cheese to cut down on prep time.
Mix in advance: Combine the hash browns, sausage, and cheese the night before and store in the fridge.
Use a food processor: Quickly beat the eggs and mix the milk, salt, and pepper using a food processor.
Line the baking dish: Line your baking dish with parchment paper for easy cleanup.

Sausage Hash Brown Breakfast Casserole
Ingredients
Main Ingredients
- 1 lb Breakfast sausage cooked and crumbled
- 1 package Frozen hash browns thawed
- 2 cups Cheddar cheese shredded
- 1 cup Milk
- 6 Eggs beaten
- 1 teaspoon Salt
- ½ teaspoon Black pepper
Instructions
- Preheat oven to 350°F (175°C).
- In a skillet, cook sausage over medium heat until browned. Drain excess fat.
- In a large mixing bowl, combine hash browns, cooked sausage, and 1 ½ cups of cheese.
- In another bowl, whisk together eggs, milk, salt, and pepper. Pour over hash brown mixture and stir to combine.
- Transfer mixture to a greased baking dish. Sprinkle remaining cheese on top.
- Bake in preheated oven for 45 minutes, or until the top is golden and the casserole is set.
- Let cool for a few minutes before serving.
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