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Easy Breakfast Casserole for a Cozy Morning Treat

Published: Sep 12, 2025 by Dia Martinez · This post may contain affiliate links · Leave a Comment

The aroma of sizzling sausage fills the air as I gather ingredients for my Easy Breakfast Casserole with Sausage and Cheddar. It’s a dish that transforms mornings from a rushed affair into a comforting routine, making it a favorite for both family gatherings and quiet weekends. This breakfast casserole stands out as the ultimate make-ahead brunch option—it's effortlessly assembled the night before, so busy mornings become a breeze. Imagine a buttery crescent roll base, fluffy eggs, and gooey cheese melding together into a savory delight that will impress every guest at your table. Not only is it a crowd-pleaser, but it’s also customizable—swap in veggies or different cheeses to match your cravings. Are you ready to elevate your breakfast game? Let's dive into this simple yet satisfying recipe!

Why is this breakfast casserole a favorite?

Ease of Preparation: This casserole is a straightforward dish that can be prepped the night before. Just assemble, refrigerate, and bake in the morning, allowing you to enjoy a leisurely breakfast without stress.

Crowd-Pleaser: Its savory combination of sausage and cheese guarantees it’ll be the star of brunch gatherings or family meals. Everyone will come back for seconds!

Customizable Delight: With endless variations, you can swap ingredients like turkey sausage or add vegetables for a tailored experience that suits any palate.

Irresistible Comfort: The buttery crescent roll base combined with fluffy eggs creates a filling meal that resonates with cozy mornings, just like a warm hug on a plate.

Perfect for All Occasions: Whether it's a festive brunch or a casual weekday breakfast, this Easy Breakfast Casserole is versatile enough to fit any occasion, making it a recipe you’ll turn to again and again.

Breakfast Casserole Ingredients

• Get ready to create a delicious Breakfast Casserole!

For the Base

  • Crescent Rolls – The flaky base provides a perfect foundation; consider puff pastry for added richness.

For the Filling

  • Breakfast Sausage – Adds savory flavor and protein; turkey sausage is a great substitute for a lighter option.
  • Eggs – Essential for the custard-like texture; add a splash of milk for extra fluffiness.
  • Shredded Cheddar Cheese – Offers creaminess and richness; use Swiss or mozzarella for a milder flavor, or sprinkle pepper jack for a kick.

Optional Add-ins

  • Vegetables (e.g., Spinach, Bell Peppers) – Boost nutrition and color; feel free to sauté before adding for extra flavor.
  • Fresh Herbs – A sprinkle of chives or parsley can elevate the dish, adding a fresh touch.

Enjoy this delightful Breakfast Casserole that’s sure to become a staple at your breakfast table!

Step‑by‑Step Instructions for Easy Breakfast Casserole with Sausage and Cheddar

Step 1: Preheat the Oven
Begin by preheating your oven to 350°F (175°C). This ensures that once your Easy Breakfast Casserole is ready to bake, it’ll cook evenly and quickly. Take a moment to prepare your 9x13-inch baking dish by spraying it with nonstick cooking spray, which will help prevent your casserole from sticking and make cleanup a breeze.

Step 2: Cook the Sausage
In a large skillet over medium heat, brown the breakfast sausage, breaking it apart with a spatula, for about 5–7 minutes until fully cooked and no longer pink. Once brown, drain any excess grease to keep your casserole from becoming too oily. This savory filling will add depth and flavor as a vital component of your breakfast casserole.

Step 3: Prepare the Crescent Roll Base
Spread the crescent rolls evenly across the bottom of your greased baking dish, pressing together any seams to create a solid base. This flaky layer will hold your casserole together beautifully. Ensure it covers the entire bottom for an even texture and golden finish. You can use your fingers or a rolling pin to flatten it out, making it ready for the delicious filling.

Step 4: Layer the Cooked Sausage
Once the sausage is cooked and drained, layer it generously over the crescent roll base, creating a hearty foundation. Spread it evenly to ensure every bite has that mouthwatering savory flavor. This simple step enhances the richness of your Easy Breakfast Casserole, making it a filling meal that will satisfy everyone at the table.

Step 5: Whisk the Eggs
In a medium bowl, beat together the eggs with a splash of milk for extra fluffiness, seasoning lightly with salt and pepper. Use a whisk or fork for at least 1–2 minutes until the mixture is well combined and slightly frothy. This egg mixture will pour over the sausage and create that creamy custard-like texture everyone loves in a breakfast casserole.

Step 6: Combine the Ingredients
Carefully pour the egg mixture over the sausage layer in the baking dish, ensuring even coverage across the entire casserole. This ensures that every layer gets infused with that delicious egg mixture, binding together the flavors beautifully. You’ll see it seep between the sausage and crescent rolls, creating that wonderful combination we all look forward to.

Step 7: Top with Cheese
Generously sprinkle the shredded cheddar cheese over the top of the casserole, creating a luscious layer that will melt and brown during baking. The cheese not only adds richness but also a delightful gooeyness that ties the dish together. Use as much cheese as you prefer, ensuring it covers the entire surface for that perfectly cheesy finish.

Step 8: Bake the Casserole
Place the assembled Easy Breakfast Casserole in the preheated oven and bake for approximately 30 minutes. Look for the cheese to bubble and turn golden brown, while the edges of the crescent roll become crisp and flaky. This visual cue indicates that your dish is ready to come out, filling your kitchen with an irresistible aroma.

Step 9: Cool and Slice
Once baked, remove the casserole from the oven and let it cool for about 5–10 minutes. This resting time allows the flavors to meld and the casserole to firm up slightly, making it easier to slice. With a sharp knife, cut it into squares, revealing the delicious layers of sausage, cheese, and eggs, ready to be served and enjoyed!

Expert Tips for Breakfast Casserole

  • Prepare in Advance: Assemble your Breakfast Casserole the night before and refrigerate. This way, just pop it in the oven in the morning for a hassle-free brunch.

  • Season the Eggs: Don’t forget to season the egg mixture with salt and pepper before pouring it into the casserole. This enhances flavor in every bite.

  • Avoid Soggy Base: Ensure that you drain excess grease from the sausage completely. This prevents a soggy bottom, keeping your casserole's base perfectly flaky.

  • Experiment with Cheeses: Try different cheeses like feta or smoked gouda for an interesting twist. Just make sure to adjust the quantity to complement the flavors.

  • Keep an Eye on Baking: Ovens vary, so start checking your casserole a few minutes before the suggested bake time. You want it golden brown and bubbling!

Make Ahead Options

These Easy Breakfast Casseroles are perfect for busy home cooks looking to save time in the mornings! You can assemble the entire casserole up to 24 hours in advance; simply cover it tightly with plastic wrap and refrigerate. Make sure to let the casserole sit at room temperature for about 30 minutes before baking to ensure even cooking. Additionally, the individual slices can be stored in an airtight container in the refrigerator for up to 3 days, allowing for quick reheating during the week. When you're ready to bake, simply pop it into the preheated oven and enjoy a delightful breakfast with minimal effort, ensuring it's just as delicious as fresh out of the oven!

What to Serve with Easy Breakfast Casserole with Sausage and Cheddar

Brighten your morning table with delightful pairings that complement the hearty flavors of this easy breakfast casserole.

  • Fresh Fruit Salad: A vibrant medley of seasonal fruits balances the richness of the casserole, providing a refreshing contrast.
  • Crispy Hash Browns: The crunchy texture of golden hash browns adds a delightful contrast, making each bite even more satisfying.
  • Zesty Tomato Salsa: This fresh salsa elevates flavors, adding a tangy kick that pairs beautifully with the savory casserole.
  • Buttery Croissants: Flaky croissants enhance the breakfast experience, inviting everyone to enjoy a luxurious morning feel.
  • Savory Breakfast Sausages: If you can't get enough, serve extra sausages on the side—perfect for those looking for a protein-packed breakfast!
  • Cinnamon Rolls: A sweet touch like gooey cinnamon rolls creates a delightful brunch spread, ensuring both savory and sweet cravings are satisfied.
  • Coffee or Mimosa: Pair this casserole with a steaming mug of coffee or a sparkling mimosa, setting the stage for a relaxing brunch atmosphere.
  • Chilled Orange Juice: Bright orange juice refreshes the palate, making it the perfect drink to enjoy alongside the breakfast casserole's rich flavors.

How to Store and Freeze Breakfast Casserole

  • Fridge: Store leftovers in an airtight container for up to 3 days. Reheat individual portions in the microwave for a quick breakfast solution or in the oven at 350°F for about 15-20 minutes for even heating.

  • Freezer: If you have a lot of leftovers, this breakfast casserole can be frozen for up to 2 months. Wrap it tightly in plastic wrap and then foil for optimum freshness. Thaw overnight in the fridge before reheating.

  • Assembled Dish: You can also prepare the casserole the night before, cover it tightly, and store it in the fridge. Bake in the morning for an easy, stress-free breakfast.

  • Reheating Tips: Always check that it’s heated through to an internal temperature of 165°F before serving. This ensures a safe and delicious meal for your family!

Breakfast Casserole Variations & Substitutions

Get ready to shake things up and customize your Breakfast Casserole with these delightful variations!

  • Vegetarian Upgrade: Swap sausage for sautéed spinach and mushrooms for a tasty and healthy twist. This variation adds earthy flavors and makes for a satisfying dish without the meat.

  • Cheese Variety: Experiment with different cheeses such as feta for tang or provolone for a creamy melt. Mixing cheeses can elevate the flavor profile to delightful new heights.

  • Spicy Kick: Use pepper jack cheese or add jalapeños to infuse your casserole with a zesty heat. This variation will wake up your taste buds and add excitement to your breakfast spread.

  • Herbed Delight: Stir in fresh herbs like thyme or rosemary into the egg mixture for an aromatic twist. This touch of freshness brightens up the whole dish and tantalizes your senses.

  • Crispy Topping: Add breadcrumbs or crushed chips on top before baking for an extra crunchy texture. This twist introduces a delightful contrast to the soft, fluffy interior of the casserole.

  • Savory Roasted Veggies: Incorporate diced bell peppers and red onions into the sausage layer for a burst of flavor and color. These veggies not only enhance nutrition but also bring a pop of vibrancy to your dish.

  • Dairy-Free Substitute: For a dairy-free version, replace regular cheese with a dairy-free cheese alternative and use almond milk instead of regular milk. Enjoy a delicious breakfast without compromising your dietary needs.

  • Mini Casseroles: Create individual servings by using muffin tins instead of a baking dish. This fun twist is perfect for brunch parties or meal-prepping breakfast for busy mornings!

Feel free to mix and match these variations to find your perfect Breakfast Casserole combo! And if you enjoy meal-prepping, consider assembling the casserole the night before for a seamless start to your day. With so many options, your breakfast table will never be boring again!

Easy Breakfast Casserole with Sausage and Cheddar Recipe FAQs

What is the best way to select ripe ingredients for this casserole?
Absolutely! When choosing your ingredients, look for crescent rolls that are fresh and not near the expiration date—check for any dark spots or damage on the packaging. For the breakfast sausage, opt for high-quality brands with minimal fillers for better flavor. Eggs should be large and free from any cracks; test them for freshness by placing them in water—if they sink, they are fresh!

How do I store leftovers from the breakfast casserole?
After enjoying your delicious casserole, store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply place individual portions in the microwave for a quick fix, or for a crispy finish, pop them in the oven at 350°F for about 15-20 minutes until warmed through!

Can I freeze the breakfast casserole?
Very much! To freeze your Easy Breakfast Casserole, allow it to cool completely first. Then, wrap it tightly in plastic wrap, followed by aluminum foil to prevent freezer burn. It can be frozen for up to 2 months. When you're ready to enjoy it, thaw it overnight in the fridge before reheating in the oven until it reaches an internal temperature of 165°F.

What if my casserole is too soggy?
If you find that your casserole is too soggy, it’s likely due to either excess grease from the sausage or not allowing it to rest after baking. To avoid this, ensure you drain the cooked sausage thoroughly and let your casserole cool for 5-10 minutes before slicing. This resting time will allow the flavors to meld and the dish to firm up, making it easier to serve.

Are there any dietary considerations I should keep in mind?
Certainly! If you're serving this casserole to guests, it's important to consider any allergies they may have. This dish contains eggs and dairy, which are common allergens. For a vegetarian option, you can easily swap the sausage for sautéed vegetables like spinach and mushrooms. Always check labels if you're using pre-packaged ingredients for any hidden allergens.

Breakfast Casserole

Easy Breakfast Casserole for a Cozy Morning Treat

This Easy Breakfast Casserole transforms rushed mornings into a cozy experience. Packed with sausage, cheese, and customizable options, it's a perfect make-ahead dish.
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 30 minutes mins
Cooling Time 10 minutes mins
Total Time 55 minutes mins
Servings: 8 slices
Course: Breakfast
Cuisine: American
Calories: 300
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Base
  • 1 package Crescent Rolls Flaky base, consider puff pastry for richness.
For the Filling
  • 1 pound Breakfast Sausage Savory flavor, turkey sausage is a lighter option.
  • 6 large Eggs Essential for custard texture; add milk for fluffiness.
  • 1 cup Shredded Cheddar Cheese Offers creaminess; use Swiss or pepper jack for variation.
Optional Add-ins
  • 1 cup Vegetables (e.g., Spinach, Bell Peppers) Boost nutrition; sauté for more flavor.
  • 2 tablespoons Fresh Herbs (Chives or Parsley) Elevate the dish with fresh herbs.

Equipment

  • 9×13-inch baking dish
  • large skillet
  • medium bowl
  • whisk or fork

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C) and prepare a 9x13-inch baking dish with nonstick spray.
  2. In a large skillet, brown the breakfast sausage over medium heat for 5–7 minutes until fully cooked, then drain excess grease.
  3. Spread the crescent rolls evenly across the bottom of the greased baking dish.
  4. Layer the cooked sausage evenly over the crescent roll base.
  5. In a medium bowl, whisk together the eggs with a splash of milk and season with salt and pepper.
  6. Pour the egg mixture over the sausage layer in the baking dish.
  7. Sprinkle shredded cheddar cheese generously over the top.
  8. Bake for approximately 30 minutes until cheese is bubbly and golden.
  9. Cool for about 5–10 minutes, then cut into squares and serve.

Nutrition

Serving: 1sliceCalories: 300kcalCarbohydrates: 15gProtein: 18gFat: 20gSaturated Fat: 8gPolyunsaturated Fat: 2gMonounsaturated Fat: 4gCholesterol: 180mgSodium: 600mgPotassium: 250mgFiber: 1gSugar: 2gVitamin A: 500IUVitamin C: 5mgCalcium: 200mgIron: 1.5mg

Notes

Assemble the casserole the night before for a hassle-free breakfast. Adjust seasoning and cheese types to your preference.

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Let us know how it was!

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Welcome!

I'm a passionate home cook and recipe developer who has been creating and testing family-friendly recipes for over 8 years. Every recipe on DiaRecipes is tested multiple times in my own kitchen before sharing it with you

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