
Sausage Egg McMuffin Casserole: Your Ultimate Make-Ahead Breakfast
Transform your breakfast routine with this incredible Sausage Egg McMuffin Casserole! This recipe ingeniously takes the beloved flavors of the classic Sausage Egg McMuffin – savory sausage, fluffy eggs, rich cheese, and toasted English muffins – and reimagines them into a convenient, crowd-pleasing breakfast casserole. The best part? You can assemble it the night before, making your morning effortless and delicious. Simply pop it into the oven, and soon you’ll be serving a hearty, comforting meal perfect for any day of the week, holidays, or special brunch gatherings.
The original Sausage Egg McMuffin holds a special place in the hearts of fast-food breakfast enthusiasts worldwide. It’s a true icon, known for its satisfying combination of textures and flavors, often hailed for its quick convenience and, dare we say, its alleged magical hangover-healing properties! The savory goodness of sausage, egg, and cheese nestled in a soft English muffin is undeniably a delightful way to start the day. But what if we could elevate this classic to an even grander, more shareable experience? That’s precisely what this Sausage Egg McMuffin Casserole aims to do.

Why You’ll Fall in Love with This Breakfast Casserole
Beyond its delicious taste, this Sausage Egg McMuffin Casserole offers a myriad of benefits that make it an absolute winner in any home kitchen:
- Unbeatable Convenience: The primary draw of a breakfast casserole is its make-ahead potential. Assemble it entirely the night before, cover, and refrigerate. In the morning, all that’s left to do is bake. This feature is a game-changer for busy weekdays, lazy weekends, or when hosting guests. Imagine waking up, brewing coffee, and having a hot, homemade breakfast ready with minimal effort.
- Perfect for Crowds: Feeding a family or a group of friends? This casserole is designed for sharing. It’s an ideal dish for brunch, holiday mornings (think Christmas or Easter breakfast!), or any gathering where you want to serve a substantial and satisfying meal without the stress of individual plate preparation.
- Hearty & Satisfying: Loaded with protein from the eggs and sausage, and carbohydrates from the English muffins, this casserole provides sustained energy to kickstart your day. It’s a complete meal in one dish, ensuring everyone leaves the table feeling full and happy.
- Familiar Comfort: There’s a comforting familiarity in the flavors of an Egg McMuffin. This casserole captures that essence perfectly, offering a nostalgic taste in a fresh, exciting format. It’s comfort food at its finest.
- Cost-Efficient: Making a large casserole is often more economical than buying individual breakfast sandwiches for everyone, especially when you can purchase ingredients in bulk or on sale.
- Customizable: While the recipe provides a fantastic base, it’s incredibly versatile. You can easily adjust ingredients to suit dietary preferences or incorporate your favorite additions, ensuring it’s always a hit.
My journey with this recipe began when friends invited me to a beach house in Laguna for a weekend getaway, with one delicious condition: I had to provide a super breakfast. As a food blogger, this isn’t an uncommon request, and I love the challenge! I whipped up this Sausage Egg McMuffin Casserole, and it was an undeniable success – not a single crumb was left behind. That’s the kind of endorsement that truly speaks volumes!

Crafting Your Sausage Egg McMuffin Casserole: A Step-by-Step Guide
Making this casserole is surprisingly simple, primarily involving layering and a quick whisk. Here’s a detailed look at the process, ensuring a perfect breakfast every time.
Key Ingredients and Preparation Tips
- English Muffins: These are the backbone of our casserole, mimicking the classic McMuffin. Cut them into sixths to ensure they absorb the egg mixture beautifully and create a tender, cake-like base. Using day-old English muffins can sometimes work even better as they tend to hold their shape after soaking.
- Breakfast Sausage: Opt for your favorite breakfast sausage, whether it’s mild, spicy, or a turkey alternative. Make sure to cook and crumble it thoroughly before adding it to the casserole. This ensures even distribution and adds that essential savory depth. Drain any excess grease to prevent the casserole from becoming oily.
- Cheddar Cheese: Shredded cheddar cheese provides a sharp, melty layer that binds all the flavors together. Feel free to experiment with other cheeses like Monterey Jack, Colby, or a blend for different flavor profiles. Freshly shredded cheese melts smoother than pre-packaged varieties.
- Eggs and Milk: The egg and milk mixture forms the custardy base that holds the casserole together. Whisk them thoroughly with salt and pepper until well combined and slightly frothy. This ensures a light, even texture throughout the baked casserole. The milk also adds moisture and richness.
- Seasoning: Salt and pepper are fundamental, enhancing the natural flavors of the ingredients. Don’t be shy; proper seasoning makes a huge difference.
Assembly is Key: Building Your Casserole
The magic of this casserole lies in its layered construction. To begin, thoroughly grease an 8×8 inch baking dish with non-stick spray. This prevents sticking and makes serving a breeze.
- First Muffin Layer: Arrange half of your cut English muffins in a single, even layer at the bottom of the prepared baking dish. These pieces will soak up all the delicious egg mixture and become wonderfully tender during baking.
- Sausage and Cheese: Generously cover the English muffins with half of your cooked and crumbled breakfast sausage. Follow this with a layer of half the shredded cheddar cheese. These layers ensure that every bite offers a balanced combination of flavors.
- Repeat the Layers: Add the remaining English muffins for the second layer, then top with the rest of the breakfast sausage and finally, the remaining shredded cheese. This creates a substantial casserole with plenty of delicious components.

Once your layers are complete, it’s time for the egg mixture. In a separate bowl, whisk together the eggs, milk, salt, and pepper until light and thoroughly combined. This mixture is crucial for binding the casserole and creating its custardy texture.

Carefully and evenly pour the whisked egg mixture over the entire casserole, ensuring all the English muffin pieces and other ingredients are well coated and submerged. This is where the magic truly begins, as the muffins start to absorb the creamy liquid.
The Overnight Advantage: Soaking for Flavor and Texture
This is arguably the most important step for achieving the best results. Cover your assembled Sausage Egg McMuffin Casserole tightly with plastic wrap and refrigerate for at least two hours, though overnight is highly recommended. Allowing the casserole to soak in the refrigerator lets the English muffins fully absorb the egg mixture, resulting in an incredibly tender, flavorful, and uniformly cooked dish. This pre-soak prevents dry spots and ensures every bite is moist and delicious. This is your secret weapon for an effortless morning!

Baking, Serving, and Customizing Your Casserole
When you’re ready to bake, preheat your oven to 325°F (160°C). Bake the casserole for 40-50 minutes, or until the center is set, golden brown on top, and a knife inserted comes out clean. Be careful not to overbake, as this can lead to a dry casserole. Once cooked, let it cool for about 5 minutes before slicing and serving. This allows the casserole to set further, making it easier to cut into neat portions.
Serving Suggestions: The Perfect Toppings and Sides
While delicious on its own, a great topping can truly enhance your Sausage Egg McMuffin Casserole. I love drizzling mine with maple syrup, which gives it a sweet and savory “McGriddle” inspired twist. However, preferences vary widely! My friend Janette, for instance, prefers to douse hers in ketchup, a choice that might horrify some, but to each their own!

Here are a few other popular condiment and side suggestions:
- Hot Sauce: A dash of your favorite hot sauce can add a delightful kick.
- Salsa: Fresh or store-bought salsa brings a vibrant, tangy element.
- Chopped Chives or Green Onions: For a fresh, oniony garnish.
- Sour Cream or Greek Yogurt: A dollop adds a creamy, cooling contrast.
- Side of Fruit Salad: A light, refreshing fruit salad balances the richness of the casserole.
- Crispy Bacon: For those who can never get enough breakfast meat!
Variations to Try
This recipe is incredibly flexible. Don’t hesitate to make it your own!
- Vegetarian Version: Omit the sausage and add sautéed mushrooms, bell peppers, spinach, or onions. You could also use a plant-based sausage substitute.
- Different Cheeses: Swiss, provolone, or a spicy pepper jack can offer unique flavor profiles.
- Add Veggies: Sautéed onions, bell peppers, spinach, or mushrooms can be layered in with the sausage.
- Spicy Kick: Add a pinch of red pepper flakes to the egg mixture or use spicy breakfast sausage.
- Ham or Bacon: Instead of sausage, use cooked, crumbled bacon or diced ham for a different flavor.
- Herbs: Fresh chives, parsley, or a pinch of dried thyme or oregano can elevate the taste.
Frequently Asked Questions (FAQs)
Can I use different bread instead of English muffins?
While English muffins are key to the “McMuffin” flavor, you could experiment with other types of bread. Cubed stale bread, croissants, or even biscuits could work, but the texture and flavor will be different. Ensure the bread is sturdy enough to soak up the egg mixture without becoming too soggy.
How do I know when the casserole is fully cooked?
The casserole is cooked when the center is set and no longer jiggly. You can also insert a knife into the center; if it comes out clean, it’s ready. The top should be golden brown.
Can I freeze the Sausage Egg McMuffin Casserole?
Yes, you can! Once the casserole has fully cooled, cut it into individual portions. Wrap each portion tightly in plastic wrap and then in foil. Store in an airtight container or freezer bag for up to 1-2 months. To reheat, thaw overnight in the refrigerator and then warm in the oven or microwave until heated through.
What size baking dish should I use?
An 8×8 inch baking dish is recommended for this recipe. If you use a larger dish, the casserole will be thinner, and the cooking time may need to be reduced. If using a smaller dish, it will be thicker, and cooking time may need to be increased.
Whatever condiment or accompaniment you choose to adorn your Sausage Egg McMuffin Casserole with, we hope you enjoy it as much as we do. It’s truly a recipe designed to bring joy and ease to your breakfast table.
Sausage Egg McMuffin Casserole Recipe

Ingredients
- 8 English Muffins, cut into sixths
- 8 oz Breakfast Sausage, cooked and crumbled
- 1 1/2 Cup Cheddar Cheese, Shredded
- 5 Eggs
- 1 1/4 Cup Milk
- 1.5 Tsp Salt
- 1/2 Tsp Pepper
Instructions
- Preheat oven to 325 degrees F.
- Grease an 8×8 baking dish with non-stick spray. Place half of your cut English muffins into the bottom of the dish in a single layer.
- Cover then English muffins with half of the cooked breakfast sausage, then layer with half of the cheese.
- Add one more layer of English muffins, another of sausage, then the cheese.
- In a bowl, whisk together the eggs, milk, salt, and pepper. Pour evenly over the casserole.
- Bake 40-50 minutes until center is cooked through.
- Let cool 5 minutes, then cut and serve.
Nutrition

