Name: Overnight Sausage and Egg Casserole – A Fun, Easy Bake!
Prep time: 20 min
Cook time: 45 min
Total time: 545 min
Ingredients: 1 pound Breakfast Sausage (Feel free to substitute with bacon, ham, or rotisserie chicken.); 8 large Eggs (Opt for extra-large eggs for fluffier results.); 2 cups Milk (Half-and-half can be used for a richer flavor.); 1 teaspoon Salt (Adjust based on the type of sausage used.); 1/2 teaspoon Black Pepper (White pepper can be used for a milder taste.); 1 tablespoon Dry Mustard; 6 slices Bread (cubed) (Consider using keto-friendly or day-old bread.); 2 cups Shredded Cheddar Cheese (Mix in different cheeses for unique flavors.); Diced Vegetables (Incorporate spinach, bell peppers, or mushrooms.)

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As I stumbled into the kitchen, still half-asleep, the comforting smell of my Overnight Sausage and Egg Casserole greeted me like a warm hug. This recipe transforms the chaos of mornings into a delightful experience with minimal fuss—just prep the night before and let the magic happen while you dream. Not only is this dish a protein-packed powerhouse, but it also boasts flexibility; feel free to swap in your favorite meats or toss in some colorful veggies for an extra nutrition boost. Whether it’s a hectic weekday or a cozy weekend brunch, this casserole is ready to impress without demanding your full attention. So, are you ready to elevate your breakfast game with this effortless delight?

Why Is This Casserole a Must-Try?

Simplicity at its finest: This overnight casserole is a breeze to prepare. Just mix and let it rest for a hassle-free morning!

Versatile Options: Choose your protein—breakfast sausage, bacon, or even rotisserie chicken. You can easily customize with vegetables for extra flavor and nutrition!

Stress-Free Mornings: Prep it the night before and wake up to a delicious, ready-to-bake meal that saves you time and effort.

Crowd-Pleaser: Perfect for holiday gatherings or family brunches, this dish is both hearty and satisfying, ensuring everyone leaves the table happy.

Nutrient-Packed: With eggs and protein, this casserole helps fuel your day, making it an excellent alternative to rundown fast food options. You might also want to explore similar hearty dishes like the Baked Beef Casserole for more ideas!

Overnight Sausage and Egg Casserole Ingredients

For the Casserole

Breakfast Sausage – Provides savory flavor and protein; feel free to substitute with bacon, ham, or leftover rotisserie chicken for variations.
Large Eggs – Acts as the binding agent for a satisfying texture; opt for extra-large eggs for an even fluffier result.
Milk – Adds creaminess and moisture; you can substitute half-and-half for an indulgently rich flavor.
Salt – Enhances overall flavor; adjust based on the type of sausage used, as some can be saltier.
Black Pepper – Introduces a mild spice; consider using white pepper if you prefer a more subtle taste.
Dry Mustard – Imparts depth and balances the richness of the dish.
Bread (cubed, 6 slices) – Provides structure and texture; consider using keto-friendly bread for a low-carb twist or day-old bread for better moisture absorption.
Shredded Cheddar Cheese – Creates a gooey and melty texture; mix in different cheeses like mozzarella, Swiss, or pepper jack for a unique flavor.

Optional Add-Ins

Diced Vegetables – Incorporate spinach, bell peppers, or mushrooms for added nutrition and color; they enhance flavor and texture beautifully.

With these simple ingredients, you’ll have all you need for a comforting, protein-packed Overnight Sausage and Egg Casserole that’s ready to shine at your breakfast table!

Step‑by‑Step Instructions for Overnight Sausage and Egg Casserole – Easy Breakfast Bake

Step 1: Prepare the Mixture
In a large mixing bowl, crack open 8 large eggs and whisk them together with 2 cups of milk, 1 teaspoon of salt, 1/2 teaspoon of black pepper, and 1 tablespoon of dry mustard. Make sure everything is well combined, creating a creamy, smooth mixture. This egg mixture forms the heart of your Overnight Sausage and Egg Casserole, so give it a good whisk for at least a minute until you see uniformity.

Step 2: Cook the Sausage
In a skillet over medium heat, add about 1 pound of breakfast sausage and cook until well-browned and crumbly, roughly 7-10 minutes. Use a spatula to break up the sausage as it cooks, ensuring it’s evenly browned. Once cooked, drain any excess grease and set the sausage aside to cool slightly. It’s vital to have the sausage flavor ready for layering, as it adds savory richness to your casserole.

Step 3: Layer the Casserole
Grease a 9×13-inch baking dish with cooking spray or butter. Begin layering the casserole by spreading 6 slices of cubed bread evenly across the bottom. Next, sprinkle the cooked sausage on top of the bread, ensuring even distribution for maximum flavor throughout the dish. This structure is essential for your Overnight Sausage and Egg Casserole to soak and meld the flavors beautifully.

Step 4: Pour the Egg Mixture
Now, take your prepared egg mixture and pour it evenly over the layered bread and sausage. Ensure the bread is fully saturated, which will help achieve that delightful custard-like texture when baked. If needed, gently press down the bread with a spatula to help it absorb the liquid. This is where the magic begins as the bread soaks up the delicious egg mixture overnight.

Step 5: Add Cheese
Sprinkle around 2 cups of shredded cheddar cheese generously over the top of the casserole. The cheese creates that irresistible, gooey topping while baking, adding flavor and richness to the dish. Feel free to mix in other cheeses like mozzarella or pepper jack for an exciting twist. This step completes your Overnight Sausage and Egg Casserole, prepped and ready for chilling.

Step 6: Chill Overnight
Cover the baking dish with plastic wrap, making sure it’s airtight. Place the casserole in the refrigerator for at least 8 hours or overnight. This resting period allows the bread to absorb the egg mixture fully, ensuring a delightful texture and flavor in the morning. The anticipation builds as the flavors meld, creating a fantastic breakfast experience to wake up to!

Step 7: Bake
When you’re ready to bake, preheat your oven to 350°F (175°C). Remove the plastic wrap from the casserole and place it in the preheated oven. Bake uncovered for about 45 minutes, or until the top is golden brown and the eggs are set. Keep an eye out for that lovely bubbling action through the cheese, which indicates it’s time to take out your Overnight Sausage and Egg Casserole.

Step 8: Serve
After baking, let the casserole cool for about 5-10 minutes. This will help it set slightly, making slicing easier. Cut into squares and serve warm, perhaps with a side of crispy hash browns or fresh fruit for a complete breakfast experience. Enjoy the delightful flavors and the warmth of a dish that’s perfect for any morning!

Expert Tips for Overnight Sausage and Egg Casserole

Choose Quality Sausage: Use high-quality breakfast sausage for the best flavor. This will elevate your overnight sausage and egg casserole significantly!
Even Bread Cubes: Ensure your bread is cut into uniform cubes for optimal soaking. This prevents dry spots and ensures every bite is deliciously creamy.
Rest Before Serving: Allow the casserole to sit for 5-10 minutes after baking. This step makes cutting easier and enhances the overall serving experience.
Reheat Wisely: If you have leftovers, reheat them in the oven at 350°F for the best texture. Microwaving can lead to a soggy finish.
Consider Flavor Variations: Don’t be afraid to experiment with different proteins and vegetables. This versatility keeps the overnight sausage and egg casserole exciting and adaptable!

What to Serve with Overnight Sausage and Egg Casserole?

Wake up your taste buds and create a delightful breakfast spread with these fantastic pairing ideas.

Crispy Hash Browns: The crunchy texture of perfectly fried hash browns complements the creamy casserole beautifully, adding a satisfying contrast to every bite.
Fresh Fruit Salad: A colorful mix of seasonal fruits brings brightness and natural sweetness, providing a refreshing balance to the hearty casserole. Each juicy bite enhances the overall breakfast experience.
Mixed Green Salad: Add some vibrant greens dressed lightly with lemon vinaigrette for a light, tangy side that cuts through the richness of the casserole, creating a well-rounded meal.
Morning Pastries: Serve warm, flaky pastries or buttery croissants alongside for an indulgent touch; the combination of flavors will make your breakfast table feel special.
Buttermilk Biscuits: Fluffy, warm biscuits soaked in gravy or served with a dollop of jam are a perfect accompaniment, elevating your breakfast to an unbeatable spread.
Freshly Squeezed Orange Juice: A cold glass of this classic drink brightens the morning, offering a zesty kick that pairs harmoniously with the savory flavors of the casserole.
Coffee or Herbal Tea: Start your day with a warm beverage that energizes and complements the comforting breakfast. A rich coffee or cozy herbal tea creates an inviting atmosphere.
Chocolate Croissants: For a sweet twist, pair your casserole with indulgent chocolate-filled pastries, ensuring a delightful balance of flavors that can satisfy any sweet craving.

How to Store and Freeze Overnight Sausage and Egg Casserole

Fridge: Store leftovers in an airtight container for up to 4 days. This keeps your delicious overnight sausage and egg casserole fresh and ready for quick breakfasts.

Freezer: For longer storage, freeze the unbaked casserole. Wrap it tightly in plastic wrap and aluminum foil for up to 3 months. Thaw in the fridge overnight before baking.

Reheating: To reheat, place slices in a preheated oven at 350°F for about 15-20 minutes until heated through. This restores the casserole’s delightful texture and flavor.

Serving Suggestions: When ready to enjoy, pair reheated portions with fresh fruit or crispy hash browns for the perfect breakfast plate.

Make Ahead Options

These Overnight Sausage and Egg Casseroles are perfect for busy home cooks looking to save time in the mornings! You can prepare the entire casserole up to 24 hours in advance. Simply assemble the dish by following the layering instructions, then cover it tightly with plastic wrap and refrigerate overnight to allow the flavors to meld. To maintain quality, ensure the bread is well-saturated with the egg mixture; this prevents dryness during baking. When you’re ready to serve, preheat your oven to 350°F (175°C) and bake for about 45 minutes, until golden and bubbly. This way, you’ll enjoy a delicious, hearty breakfast with minimal effort!

Overnight Sausage and Egg Casserole Variations

Feel free to unleash your creativity and make this dish uniquely yours with these delightful twists!

Dairy-Free: Substitute milk with almond or oat milk for a creamy, plant-based alternative that everyone can enjoy.
Adding a splash of nutritional yeast can also bring in that savory flavor that cheese typically provides.
Vegetable-Loaded: Incorporate a colorful medley of vegetables like zucchini, bell peppers, and sautéed onions for added nutrition.
These vibrant additions not only boost health benefits but also create a lovely rainbow on your breakfast table.
Spicy Kick: Add diced jalapeños or a sprinkle of crushed red pepper flakes to introduce a gentle yet invigorating heat.
For an added bonus, consider topping with a drizzle of hot sauce before serving for those who crave an extra kick!
Keto-Friendly: Use cauliflower rice or omit the bread altogether for a lower-carb version.
By focusing on eggs and sausage, you maintain that comfort food vibe while sticking to your dietary goals.
Herb Infusion: Mix in fresh herbs like chives, parsley, or even rosemary for a fragrant and flavor-packed twist.
Herbs can elevate the dish’s aroma and add an extra layer of taste to brighten your morning.
Meat Lovers: Combine different proteins such as crumbled bacon, diced ham, or turkey sausage for a hearty, meaty variant.
This delicious mix is sure to satisfy all the breakfast enthusiasts at your table, leaving no plate uncleaned!
Cheese Varieties: Experiment with different cheeses like feta, gouda, or pepper jack for a new flavor profile.
Each cheese brings its own character, transforming your classic casserole into a gourmet experience!

Don’t forget to check out my Baked Tortellini Casserole for another easy, heartwarming dish to try.

Overnight Sausage and Egg Casserole Recipe FAQs

How do I select the best sausage for this casserole?
Absolutely! I recommend using high-quality breakfast sausage for the most flavorful results. Look for sausages with a good fat content and seasoning. Freshness matters, so check for any dark spots or unusual odor. You can also try different types like spicy or maple-flavored for a twist!

What’s the best way to store leftovers?
Leftovers can be stored in an airtight container in the refrigerator for up to 4 days. Ensure it’s tightly sealed to maintain freshness. When ready to enjoy, you can reheat it in the oven at 350°F for about 15-20 minutes to revive the casserole’s delightful texture.

Can I freeze the casserole, and how?
Certainly! You can freeze the unbaked Overnight Sausage and Egg Casserole for up to 3 months. To do this, tightly wrap the dish in plastic wrap and then in aluminum foil to prevent freezer burn. When you’re ready to bake it, simply thaw overnight in the refrigerator before placing it in the oven at 350°F for about 45 minutes.

What if my bread is stale or hard?
No worries! If your bread is a bit stale, that’s often the perfect opportunity for this casserole. Stale bread absorbs the egg mixture well and adds a lovely texture. Just make sure to cut it into uniform cubes, so every piece can soak in that deliciousness. You can even toast it lightly to enhance flavors before layering!

Are there any dietary considerations I should keep in mind?
Definitely! If you’re cooking for guests with specific dietary needs, be sure to check for allergies related to gluten or dairy, as this casserole contains both. As for alternatives, you can use gluten-free bread and dairy-free milk to accommodate various diets. Always have a variety of protein options available to cater to different preferences.

How can I add veggies to the casserole?
Absolutely! Adding vegetables like spinach, bell peppers, or mushrooms is a fantastic way to boost nutrition. Chop the vegetables finely and sauté them briefly before mixing; this reduces excess moisture and enhances their flavors. Aim for about 1-2 cups of mixed veggies, spread evenly between the bread and the sausage for a colorful, nutrient-packed dish.