Name: Sausage Breakfast Egg Bake Recipe
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 12 ounces sausage (casing removed); 2 cloves garlic (minced); 3 cups fresh spinach; 2 large bell peppers (diced); ½ medium yellow onion (diced); Salt and pepper (to taste); 12 large eggs; ½ cup milk (any); ½ cup shredded cheese (any, divided); Olive oil (for sautéing)

There’s something so cozy about waking up to the aroma of a warm, hearty egg casserole. This Sausage Breakfast Egg Bake Recipe is my go-to for weekends or when I’m feeding a crowd. It’s flavorful, easy, and you can prep it ahead—a real kitchen win!

The image shows a glass baking dish on a white marbled surface holding a baked egg dish cut into square pieces. Each piece has a top layer of melted golden-yellow cheese with some browned spots, mixed with green spinach leaves and small red pepper bits. Below the cheese is a creamy, soft yellow egg layer with visible vegetable pieces like mushrooms and more red peppers. A metal spatula lifts one square, showing the layers held together firmly with a slightly moist texture. Photo taken with an iphone --ar 2:3 --v 7

Jump to:

Why You'll Love This Recipe
Ingredients & Why They Work
Make It Your Way
Step-by-Step: How I Make Sausage Breakfast Egg Bake Recipe
Top Tip
How to Serve Sausage Breakfast Egg Bake Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Sausage Breakfast Egg Bake Recipe

Why You'll Love This Recipe

This sausage breakfast egg bake hits all the right notes for a satisfying, make-ahead breakfast that feels special but couldn’t be simpler. I adore how it combines savory sausage, fresh veggies, and melty cheese—all baked together in one dish that’s ready whenever you are.

Make-ahead magic: Prep it the night before and wake up to a ready-to-bake dish that saves you time and stress.
Customizable ingredients: You can swap in your favorite veggies or cheese to match what you have on hand or prefer.
Feeds a crowd: It’s perfect for family breakfasts, brunch guests, or meal prepping for busy mornings.
Comfort food vibes: Warm, cheesy, and packed with flavor, it’s a breakfast that feels like a big, comforting hug.

A close-up of a piece of baked egg casserole with three visible layers: a light yellow fluffy egg base, a middle layer with green spinach and red bell pepper pieces, and a top layer of melted golden orange and white cheese with a slightly crispy texture, served on a white speckled plate. Behind the casserole, there is a side of roasted potatoes with light brown and darker spots, and a shiny silver fork rests on the edge of the plate. The plate sits on a green cloth on a white marbled surface. Photo taken with an iphone --ar 2:3 --v 7

Ingredients & Why They Work

Each ingredient in this sausage breakfast egg bake recipe brings something special to the table—protein-rich sausage for flavor, fresh veggies for a bit of crunch and nutrition, and eggs to hold it all together with creamy richness. Here’s a breakdown to help you shop smart.

Flat lay of a pile of raw sausage meat with casing removed, a small white bowl of olive oil, two peeled garlic cloves, a handful of fresh green spinach leaves, two diced large red and yellow bell peppers, half of a diced medium yellow onion, a few pinches of coarse sea salt and mixed peppercorns in a small white bowl, a set of a dozen whole large brown eggs with clean shells, a small white bowl of milk, and a small white bowl of shredded pale yellow cheese, all arranged in perfect symmetry on a simple white ceramic surface, placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997

Sausage: Removing the casing lets it crumble and cook evenly; I prefer a mild or herb-infused flavor to keep it balanced.
Olive oil: Helps sauté the veggies without overpowering their natural taste.
Garlic: Adds that cozy, aromatic depth that wakes up your senses first thing.
Spinach: Fresh spinach wilts beautifully, giving color and nutrients without overpowering flavors.
Bell peppers: Diced for a little crunch and sweetness, they brighten up the dish.
Onion: Adds a savory base, perfectly softened when sautéed.
Salt and pepper: Essential seasoning to bring all the flavors forward—don’t skip!
Eggs: The star that binds everything into a fluffy, satisfying bake.
Milk: Keeps the eggs tender and creamy; any kind works, so use what you have.
Cheese: Divided into the batter and topping, it melts into gooey pockets of deliciousness—try cheddar, mozzarella, or a sharp white cheese.

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Note: You'll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Make It Your Way

I love to tweak this sausage breakfast egg bake recipe depending on what’s in my fridge and the season. You absolutely should make it your own—it’s so forgiving and flexible.

Variation: One time, I swapped the spinach and peppers for kale and sun-dried tomatoes—totally tasty and gave the dish a nice twist.
Dairy-Free: Use a plant-based milk and skip the cheese or swap in a vegan alternative.
Spicy Kick: Add a dash of smoked paprika or some chopped jalapeños when sautéing the veggies.
Make It Meatless: Replace sausage with mushrooms or plant-based sausage to keep it hearty and satisfying.

Step-by-Step: How I Make Sausage Breakfast Egg Bake Recipe

Step 1: Brown the Sausage to Build Flavor

I like to start by heating a large skillet over medium heat and browning the sausage until it’s just a little crispy around the edges. This step really amps up the flavor—it’s worth the few extra minutes. If you’re using fully cooked sausage, you can skip this, but I often brown it anyway for that toasty taste. Once done, spread it evenly in your prepared casserole dish.

Step 2: Sauté the Veggies Until Tender

Using the same skillet, add a splash of olive oil if needed, then toss in your minced garlic, spinach, diced bell peppers, and onions. Cook everything until the veggies soften and the spinach wilts, about 6-7 minutes. Season with salt and pepper towards the end. This mix adds a fresh, vibrant touch that balances the richness of the sausage.

Step 3: Combine Ingredients in Your Casserole Dish

Mix the cooked veggies right in with the browned sausage in the casserole dish. I like to give it a gentle stir so everything is evenly scattered. This helps every bite have a little bit of everything—the sausage, the veggies, and later, the eggs.

Step 4: Whisk the Egg Mixture and Pour Over

In a bowl, whisk the eggs together with milk and half of your shredded cheese. Pour this mixture over the sausage and veggies, then sprinkle the rest of the cheese on top. Don’t forget a little extra salt and pepper at this stage for good measure.

Step 5: Bake and Enjoy! (Or Refrigerate for Later)

Bake at 375ºF (191ºC) for about 45 minutes, until the edges start to brown and the center is set. Let it cool for at least 15 minutes before digging in. Alternatively, cover and refrigerate it overnight—perfect for a stress-free morning.

Top Tip

From my kitchen to yours, these tips have made the biggest difference in helping the sausage breakfast egg bake recipe turn out perfect every single time.

Don’t skip browning the sausage: It’s a small step that adds layers of deep, savory flavor that you won’t get otherwise.
Season the veggies well: Adding salt and pepper while sautéing wakes up the vegetables and makes the whole bake taste balanced.
Let it rest: After baking, the casserole needs a good 15 minutes to firm up, which helps with easy slicing and serving.
Use a knife test: Insert a knife in the center; if it comes out clean, your egg bake is ready and not overcooked.

How to Serve Sausage Breakfast Egg Bake Recipe

sausage breakfast bake - Serving Suggestion

Garnishes

I usually top my slices with a sprinkle of fresh chopped parsley or chives—that pop of green makes it feel fresh and inviting. Sometimes I add a dollop of sour cream or hot sauce when serving, especially on chillier mornings.

Side Dishes

For a complete breakfast spread, I like to serve this bake with crispy hash browns or a light mixed fruit salad. Some crusty toast or a flaky croissant rounds it out beautifully if you want something carb-rich alongside.

Creative Ways to Present

For a brunch party, I’ve cut the egg bake into mini squares and arranged them on a platter with colorful veggie sticks and dipping sauces—super cute and so easy for guests to grab. You can also serve slices layered with avocado or tomato for a fresh twist.

Make Ahead and Storage

Storing Leftovers

We usually store any leftovers covered tightly in the refrigerator for up to five days. I find the flavors actually deepen overnight, making for even tastier mornings later in the week.

Freezing

I often freeze the unbaked casserole wrapped well in plastic and foil for up to two months. Thaw it in the fridge overnight, then bake as usual. This trick is a lifesaver for hands-off meal prep when life gets hectic.

Reheating

To reheat leftover slices, I pop them in the microwave for about a minute or so. If you want to crisp it up a bit, reheating in a toaster oven or skillet for a few minutes works wonders.

Frequently Asked Questions:

Can I use different types of sausage in this recipe?

Absolutely! This sausage breakfast egg bake recipe is very flexible. You can use pork, turkey, or chicken sausage, spicy or mild—just make sure to brown it well for the best flavor.

Can I make this recipe vegan or vegetarian?

To make a vegetarian version, substitute the sausage with hearty veggies or a plant-based sausage alternative, and use your favorite dairy or plant-based milk and cheese. For vegan, omit eggs and replace with a chickpea flour batter or tofu scramble base, though it changes the texture quite a bit.

How far ahead can I prepare the casserole before baking?

You can assemble the casserole up to 24 hours in advance. Just cover it tightly and keep it in the refrigerator. When ready, bake from chilled following the recipe instructions for best results.

Can I add other vegetables or cheese types?

Definitely! Feel free to swap or add your favorite vegetables like mushrooms, zucchini, or tomatoes. Cheese options like feta, pepper jack, or Swiss all work well and bring different flavor profiles.

Final Thoughts

I honestly can’t recommend this sausage breakfast egg bake recipe enough. It’s a comforting, nutritious dish that’s kinder to your morning hustle than scrambling eggs last minute. Plus, the ability to prep it ahead, customize ingredients, and feed a hungry bunch makes it a winner in my book. Give it a try—you’ll see why I keep coming back to this simple, flavorful breakfast favorite.