Introduction to Cheesy Sausage Breakfast Casserole
When mornings get hectic, finding a hearty breakfast that doesn’t require hours in the kitchen can be a game-changer. Enter the cheesy sausage breakfast casserole — a one-dish wonder that combines the protein-packed goodness of beef sausage with the rich creaminess of eggs and cheese, all baked to perfection.
Why Choose a Breakfast Casserole?
Breakfast casseroles are a fantastic option for busy young professionals or families. They allow for:
- Meal Prep: Make it ahead of time, store it in the fridge, and simply reheat it when you're ready to eat.
- Versatility: Feel free to personalize your casserole! Whether you prefer turkey bacon instead of sausage or want to throw in some veggies, the options are endless. Need some inspiration? Check out The Kitchn’s guide for more ideas.
- Crowd-Pleaser: Hosting brunch? This casserole serves a crowd, making it ideal for gatherings with friends or family.
With a delightful blend of flavors and textures, this cheesy sausage breakfast casserole is sure to become a beloved breakfast staple. So why not say goodbye to bland mornings and hello to a delicious start? Let's dive into the recipe!

Ingredients for Cheesy Sausage Breakfast Casserole
Creating a delightful cheesy sausage breakfast casserole is a breeze with the right ingredients. Here’s a detailed breakdown to guide you through the shopping process!
Key ingredients you'll need
- Cooking spray: For easy cleanup and to prevent sticking.
- Olive oil (1 tablespoon): Adds flavor when sautéing your sausage and veggies.
- Uncooked breakfast sausage (1 pound): Ground beef sausage brings richness to the casserole.
- Medium yellow onion (1): Diced to add sweetness and depth.
- Medium red bell pepper (1): Adds color and a slight crunch.
- Kosher salt (1 ½ teaspoons): Enhances the flavor of all ingredients.
- Baby spinach (3 ounces): A nutritious boost with vibrant color.
- Large eggs (12): The essential base for your eggy goodness.
- Half-and-half (2 cups): For a creamy texture.
- Dijon mustard (1 tablespoon): Adds tanginess.
- Freshly ground black pepper (½ teaspoon): For seasoning.
- Frozen shredded hash browns (20 ounces): The perfect base, no thawing required!
- Sharp cheddar cheese (6 ounces): Because who doesn’t love cheese?
Optional ingredients for customization
Feel free to experiment! Here are some optional ingredients you might consider:
- Turkey bacon or chicken ham: For a twist on the meat aspect.
- Additional veggies: Such as mushrooms or zucchini for extra nutrients.
- Herbs and spices: Try adding garlic powder or Italian seasoning for more flavor.
Looking to enhance your casserole experience? Check out this article on Breakfast Casserole Variations for inspiration!
Preparing Cheesy Sausage Breakfast Casserole
Preparing a cheesy sausage breakfast casserole is a game-changer for your morning routine. It’s perfect for brunch gatherings, lazy weekends, or meal prep for busy weekdays. Let’s dive into how you can whip up this delicious dish in a few simple steps!
Preheat and Prepare the Baking Dish
First things first, preheat your oven to 375°F. This ensures that your casserole cooks evenly. While the oven heats, grab a 9x13-inch baking dish and lightly coat it with cooking spray or a dash of olive oil. This helps to prevent sticking and makes cleanup a breeze. If you’re looking for eco-friendly options, consider using parchment paper as a liner.
Cook the Breakfast Beef Sausage
Heat 1 tablespoon of olive oil in a large skillet over medium heat. Once it shimmers, add 1 pound of uncooked breakfast beef sausage. Use a wooden spoon to break it into small pieces as it cooks, making sure there’s no pink left, which should take about 6 to 8 minutes. The scent of the sausage sizzling will fill your kitchen and have everyone wondering what’s for breakfast!
Sauté the Vegetables
Now that your sausage is perfectly browned, it’s time to elevate the flavor. Stir in one diced medium yellow onion and one diced medium red bell pepper, along with a pinch of kosher salt (½ teaspoon). Cook for about 3 to 5 minutes, until the onion becomes translucent. Don’t forget to add 3 ounces of baby spinach last; it only takes about a minute for it to wilt down. This colorful veggie mix not only tastes good but is packed with nutrients.
Whisk the Egg Mixture
In a separate large bowl, whisk together 12 large eggs, 2 cups of half-and-half, 1 tablespoon of Dijon mustard, the remaining 1 teaspoon of kosher salt, and ½ teaspoon of freshly ground black pepper. This egg mixture is the heart of your casserole — combining richness with flavor. Just picture the creamy goodness that awaits!
Combine and Layer the Ingredients
Next, you’ll want to add the star of this dish: the frozen shredded hash brown potatoes. Use a 20-ounce bag without thawing — just smash any big clumps against a hard surface. Toss in half of the shredded sharp cheddar cheese (about ¾ cup) along with your sautéed mixture, stirring to combine. Spread this into the baking dish to make an even layer.
Bake to Perfection
Pour the egg mixture evenly over the potato and sausage layer. You can tilt the dish gently to ensure it settles well. Top it off with the rest of the cheddar (another ¾ cup) and place it in the oven. Bake for 55 to 60 minutes, or until a knife inserted comes out clean, and the top is golden brown. Let it cool for about 5 minutes before slicing and serving this delightful cheesy sausage breakfast casserole.
Enjoy with friends and family — feel free to add hot sauce or salsa for an extra kick! Want more breakfast ideas? Check out this comprehensive brunch guide for more inspiration.

Variations on Cheesy Sausage Breakfast Casserole
When it comes to cheesy sausage breakfast casserole, there are plenty of delicious alternatives to satisfy different dietary preferences. Let’s explore some tasty variations!
Vegetarian Cheesy Breakfast Casserole
For a meat-free twist, try a vegetarian cheesy breakfast casserole. Simply replace the sausage with your favorite plant-based sausage or sautéed mushrooms, zucchini, and cherry tomatoes for added flavor. Don’t forget to load it up with extra veggies like bell peppers and spinach—the more, the merrier!
Cheesy Breakfast Casserole with Chicken Ham
If you're craving something a bit different, consider using chicken ham in place of beef sausage. The smoky flavor pairs beautifully with the eggs and cheese, creating a comforting breakfast that feels indulgent yet light. You can also experiment with various cheeses like mozzarella or feta for a unique flavor profile.
For more inspiration, check out these delicious breakfast casserole ideas that can easily be tailored to suit your taste!
Making these variations not only caters to a wider audience but also keeps your breakfast exciting!
Cooking Tips and Notes for Cheesy Sausage Breakfast Casserole
Importance of Ingredient Temperature
When making your cheesy sausage breakfast casserole, using ingredients at the right temperature can significantly affect the final dish. For instance, consider using room-temperature eggs and half-and-half. This prevents the casserole from cooling down too quickly when it goes into the oven, promoting even cooking and a fluffy texture. If you've been storing your ingredients in the fridge, taking them out about 30 minutes before preparation can make a noticeable difference.
Avoiding Sogginess
Sogginess can be a common issue with breakfast casseroles. To prevent this, ensure you properly cook off excess moisture—especially from vegetables like onions and bell peppers. Additionally, using frozen hash browns directly from the bag (without thawing) helps maintain a crispy texture. For more tips on the lusciousness of the cheese, check out these expert suggestions on balancing moisture in your casseroles.

Serving suggestions for Cheesy Sausage Breakfast Casserole
Ideal pairings for a complete breakfast
A cheesy sausage breakfast casserole pairs beautifully with various delicious sides! Consider serving it alongside:
- Turkey bacon or chicken ham: These add a savory crunch that complements the casserole perfectly.
- Fresh fruit salad: The natural sweetness balances the savory flavors.
- Seasoned breakfast potatoes: A crispy texture can add another layer of flavor.
- Coffee or fresh-squeezed orange juice: These beverages enhance the breakfast experience and provide a refreshing finish.
Presentation tips for brunch gatherings
For a visually appealing brunch, serve your cheesy sausage breakfast casserole in an elegant baking dish. Garnish with fresh herbs, like parsley or chives, for a pop of color. Consider using colorful plates and platters to make the spread inviting. If you’re feeling creative, individual servings in ramekins can offer a charming touch. Don’t forget to have some bite-sized pastries on the side for guests to nibble on while they wait! For more festive brunch ideas, check out this guide on Food Network.
Time Breakdown for Cheesy Sausage Breakfast Casserole
Preparation Time
Preparing the cheesy sausage breakfast casserole takes about 15 minutes. This is your chance to gather all those delightful ingredients and create the flavorful filling.
Cooking Time
Once you pop it into the oven, the cooking time will be around 55 to 60 minutes. It's the perfect window to enjoy a quick coffee and catch up on your favorite morning podcast.
Total Time
From start to serving, you’re looking at about 75 to 80 minutes total. A deliciously satisfying dish is just around the corner, with minimal effort and maximum flavor! While you wait, why not browse for some breakfast side ideas? Consider checking out Breakfast Side Dishes for inspiration.
Nutritional Facts for Cheesy Sausage Breakfast Casserole
When it comes to enjoying a delicious brunch, the Cheesy Sausage Breakfast Casserole truly hits the mark! Here’s a quick rundown of its nutritional highlights:
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Calories per serving: Each serving contains approximately 390 calories, making it a satisfying yet moderate choice for your morning meal.
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Protein content: Packed with 22 grams of protein per serving, this casserole provides a hearty dose to fuel your day.
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Sodium levels: While it's delicious, be mindful of the sodium content, which clocks in at around 750 mg per serving. It’s a good idea to balance your day with lower-sodium foods if you indulge in this dish.
This breakfast casserole not only pleases the palate but also delivers a solid nutritional profile, especially with the protein boost from the eggs and sausage. For those looking to optimize their meals, you can find more about balanced eating from servings at ChooseMyPlate.gov. Enjoy your brunch!
FAQ about Cheesy Sausage Breakfast Casserole
Can I make this casserole ahead of time?
Absolutely! The cheesy sausage breakfast casserole can be prepared the night before. Simply assemble all the ingredients in your baking dish, cover it with foil, and refrigerate. In the morning, you can bake it straight from the fridge, adding an extra 10-15 minutes to the cooking time.
What can I substitute for half-and-half?
If you’re out of half-and-half or looking for a lighter option, you can mix equal parts whole milk and heavy cream to achieve a similar richness. A non-dairy milk alternative, like almond or oat milk combined with slightly more oil, can also work, but keep in mind it may alter the flavor slightly.
How do I store leftovers?
Leftovers should be stored in an airtight container in the refrigerator. They’ll stay fresh for up to 4 days. Reheat individual portions in the microwave or warm up the whole casserole in the oven until heated through. For longer storage, you can freeze portions for up to 3 months. Just make sure to separate them in freezer-safe containers.
For more tips on meal prepping, check out Meal Prep on Fleek.
Conclusion on Cheesy Sausage Breakfast Casserole
The joy of homemade mornings
There's something special about a homemade cheesy sausage breakfast casserole, isn’t there? It transforms a regular morning into a delightful occasion. The rich flavors and comforting textures invite everyone to the table, creating memories beyond just a meal. So why not gather your loved ones and make breakfast unforgettable?

Cheesy Sausage Breakfast Casserole
Equipment
- 9x13 inch baking dish
- large skillet
- Mixing Bowl
- Whisk
Ingredients
- Cooking spray
- 1 tablespoon olive oil
- 1 pound uncooked breakfast sausage casings removed if needed
- 1 medium yellow onion diced (about 1 ½ cups)
- 1 medium red bell pepper diced (about 1 ½ cups)
- 1 ½ teaspoons kosher salt divided
- 3 ounces baby spinach (about 3 packed cups)
- 12 large eggs
- 2 cups half-and-half
- 1 tablespoon Dijon mustard
- ½ teaspoon freshly ground black pepper
- 1 20-ounce bag frozen shredded hash brown potatoes (do not thaw, about 6 ½ cups)
- 6 ounces sharp cheddar cheese shredded (about 1 ½ cups), divided
Instructions
- Heat the oven to 375°F. Lightly coat a 9x13-inch baking dish with cooking spray or oil.
- Heat 1 tablespoon olive oil in a large skillet over medium heat until shimmering. Add 1 pound uncooked pork breakfast sausage and cook, breaking it up into small pieces with a wooden spoon, until no longer pink, 6 to 8 minutes.
- Stir in 1 diced medium yellow onion, 1 diced medium red bell pepper, and ½ teaspoon of the kosher salt. Cook, stirring occasionally, until the onion is softened, 3 to 5 minutes. Stir in 3 ounces baby spinach. Cook until wilted, about 1 minute. Transfer to the baking dish.
- Whisk 12 large eggs, 2 cups half-and-half, 1 tablespoon Dijon mustard, the remaining 1 teaspoon kosher salt, and ½ teaspoon black pepper in a large bowl until combined.
- Add 20 ounces frozen shredded potatoes (if it’s frozen into big clumps, smash the unopened bag against a hard surface to break them up first) and half of the shredded sharp cheddar cheese (about ¾ cup) to the baking dish. Stir until combined and spread into an even layer.
- Pour the egg mixture over the potato mixture. Tilt the baking dish so the egg mixture is in an even layer if needed. Sprinkle with the remaining ¾ cup cheddar.
- Bake until a knife inserted in the middle comes out clean and the top is light golden-brown, 55 to 60 minutes. Let cool for 5 minutes before serving.





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