Name: Ultimate Sausage Egg Bake Recipe
Prep time: 20 min
Cook time: 45 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 10 to 12 ounces sausage, casing removed; 2 cloves garlic, minced; 3 cups fresh spinach; 2 large bell peppers, diced; ½ medium yellow onion, diced; 12 large eggs; ½ cup milk, any type (120 g); ½ cup shredded cheese, any flavor, divided (56 g); Olive oil, as needed; Salt and pepper, to taste

There’s something truly comforting about waking up to the warm aroma of a hearty breakfast waiting for you. This Ultimate Sausage Egg Bake Recipe brings together fluffy eggs, savory sausage, and fresh veggies for a dish that’s both simple and spectacular—perfect for busy mornings or weekend brunches.

The image shows a close-up of a baked dish cut into square pieces inside a clear glass baking dish on a white marbled surface. Each piece has multiple layers, starting with a light golden crust at the bottom, followed by a mixture of finely chopped vegetables including visible green spinach and small red pepper pieces. The top layer is a melted orange-yellow cheese with a slightly browned, bubbly texture. A metal spatula is lifting one square piece, showing the layers from the side with a soft and moist texture. Crumbs and small bits of vegetables scatter around the dish. 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 Ultimate Sausage Egg Bake Recipe
Top Tip
How to Serve Ultimate Sausage Egg Bake Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Ultimate Sausage Egg Bake Recipe

Why You'll Love This Recipe

I can’t get over how versatile and convenient the Ultimate Sausage Egg Bake Recipe is. I’ve made it dozens of times—sometimes for a quick breakfast before work, other times for large family gatherings—and it never disappoints. Here’s why it stands out:

Make-ahead magic: You can prep this the night before, saving precious morning minutes.
Customizable ingredients: Whether you like it spicy, loaded with cheese, or extra veggies, it’s easy to tweak.
Feeds a crowd: This recipe stretches well and keeps everyone happy, making it perfect for brunch or potlucks.
Simple cleanup: Just one casserole dish to wash—and you’ve got a wholesome breakfast ready.

A white plate with a thick slice of baked egg casserole in front, showing three visible layers: a creamy light yellow egg base mixed with bits of vegetables, a middle layer with green spinach and small orange-red chunks, and a top layer of melted golden-orange cheese with some browned spots and green vegetable pieces. Behind the casserole, on the same plate, there are roasted potato pieces with a crispy, golden-brown texture. A fork rests on the left side of the slice, and the plate sits on a dark green cloth over a white marbled surface. photo taken with an iphone --ar 2:3 --v 7

Ingredients & Why They Work

What’s great about these ingredients is how they balance each other perfectly—rich sausage and eggs meet fresh veggies and melty cheese for a well-rounded breakfast casserole. I always recommend picking fresh spinach and bell peppers that are firm and vibrant to boost flavor and nutrition.

Flat lay of a mound of raw peeled sausage meat, two cloves of peeled garlic, a handful of fresh spinach leaves, two large diced red and yellow bell peppers, half a diced yellow onion, a small white bowl of olive oil, a small white bowl of black pepper, a small white bowl of salt, a dozen whole uncracked large brown eggs, a small white bowl of milk, a small white bowl of shredded cheese, 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: Using a flavorful pork sausage adds richness, and browning it enhances its taste by developing savory caramelized bits.
Olive Oil: Just a splash to sauté the veggies and garlic, bringing out their sweetness without overpowering the dish.
Garlic: Minced cloves add a subtle punch and aromatic depth that wakes up the flavor.
Fresh Spinach: It wilts down beautifully, adding color and a gentle earthiness without heaviness.
Bell Peppers: Diced red or yellow peppers deliver crunch and a hint of sweetness.
Yellow Onion: Sautéed until tender, it offers a savory base note that blends seamlessly with everything else.
Salt and Pepper: Essential for seasoning and balancing flavors—add gradually to suit your taste.
Eggs: The star binding ingredient that turns everything into a fluffy, cohesive bake.
Milk: Helps the eggs stay tender and less rubbery once baked.
Shredded Cheese: Divided to mix in and sprinkle on top—for that creamy, melty finish that’s absolutely irresistible.

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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

One of my favorite things about the Ultimate Sausage Egg Bake Recipe is how easy it is to tweak it based on what you have on hand or your cravings that day. Don’t hesitate to get creative!

Add fresh herbs: I love throwing in chopped parsley or chives for a fresh pop of flavor.
Switch up the sausage: Try spicy Italian sausage if you want a little heat, or turkey sausage for a lighter option—I’ve done both and loved the results.
Veggie swap: Feel free to add mushrooms, zucchini, or even diced tomatoes instead of or alongside peppers and spinach.
Dairy-free version: Use a plant-based milk and omit cheese or use a vegan cheese alternative—we did this for a friend once and it was still totally satisfying.

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

Step 1: Sizzle the Sausage

Start by removing the sausage from its casing if needed and browning it in a skillet over medium heat. I like to let it get just a bit crispy on the edges—this adds a wonderful texture contrast. If you’re using pre-cooked sausage, feel free to skip this or simply warm it up gently. Once browned, spread it evenly in your greased casserole dish so it forms a tasty, meaty base.

Step 2: Sauté the Veggies

In the same skillet (no need to wash it—bonus flavor!), add a quick drizzle of olive oil if it’s looking dry. Toss in the minced garlic, diced bell peppers, chopped onions, and fresh spinach. Cook everything until the veggies are tender and spinach is wilted, about 6 to 7 minutes. Season with salt and pepper near the end to keep the flavors balanced. Then, fold the veggie mixture into the sausage layer in the casserole dish—this ensures each bite is bursting with flavor.

Step 3: Whisk Up the Eggs & Cheese

Grab a medium bowl and whisk together twelve large eggs with half a cup of milk and a quarter cup of shredded cheese. This combo keeps the bake light yet creamy. Pour this mixture evenly over the sausage and vegetables in your casserole dish. Sprinkle the remaining cheese on top, then season with a little more salt and pepper—you’ll want to taste as you go here for the perfect balance.

Step 4: Bake or Chill

You’ve got options here! Go straight to baking by preheating your oven to 375ºF (191ºC) and placing the casserole inside for about 45 minutes, or until the edges start to brown and the center feels set. Or, cover it tightly with foil or plastic wrap and refrigerate for up to 24 hours—this makes busy mornings a breeze. When ready to bake from the fridge, just add a few extra minutes to the bake time to ensure it’s heated through.

Step 5: Let It Rest and Serve

Once out of the oven, give the casserole about 15 minutes to cool slightly—it helps it set and makes slicing easier. This rest time also lets the flavors settle, so every forkful is deliciously harmonious.

Top Tip

Over the years, I’ve found that a few simple tricks make all the difference with my Ultimate Sausage Egg Bake Recipe. These little insights will help you avoid common pitfalls and ensure your bake comes out perfect every time.

Don’t overmix the eggs: Whisk just enough to combine to keep the eggs fluffy, not rubbery.
Use a good-quality sausage: The flavor foundation here is key—I’ve found that fresher, fresher-tasting sausage dramatically improves the final dish.
Let it rest before slicing: When you skip this, the casserole tends to be too soft to cut nicely.
Cover tightly when refrigerating: Prevents dryness and helps the casserole stay tender if prepping ahead.

How to Serve Ultimate Sausage Egg Bake Recipe

Garnishes

I usually top mine with a sprinkle of fresh chopped parsley or scallions—both add a bright, fresh note that balances the richness. Sometimes, a dollop of salsa or a little hot sauce on the side adds a nice kick if you like things spicy.

Side Dishes

I love pairing the egg bake with crisp fruit salad or some crusty toast. Roasted potatoes or a simple green salad also round out the meal perfectly, especially when serving a crowd.

Creative Ways to Present

For special occasions, I’ve served this bake in mini muffin tins for individual portions—easy to grab and perfect for brunch parties. Another fun idea is layering it with sliced avocado and a drizzle of creamy dressing for a brunch buffet that feels a bit fancy without extra fuss.

Make Ahead and Storage

Storing Leftovers

After enjoying your meal, just cover any leftovers tightly and store them in the fridge. I’ve found the casserole keeps really well for up to five days—making it perfect for quick breakfast or lunch throughout the week.

Freezing

This bake freezes like a dream! I usually freeze it unbaked, wrapped tightly in plastic and foil, then thaw overnight in the fridge before baking. It saves so much time and is great for prepping in bulk ahead of busy weeks or holiday breakfasts.

Reheating

When reheating leftover slices, I pop them in the microwave for about a minute or two until warm. For a crispier edge, reheating in a small oven-safe dish at 350ºF for 10-15 minutes does the trick beautifully.

Frequently Asked Questions:

Can I make the Ultimate Sausage Egg Bake Recipe vegetarian?

Absolutely! Skip the sausage and load up on extra veggies like mushrooms, zucchini, and bell peppers. You can add plant-based sausage alternatives or extra cheese for more protein.

What type of cheese works best for this egg bake?

I like shredded cheddar, mozzarella, or a mild Monterey Jack. Any melting cheese you enjoy works well; just use your favorite flavor profile to complement the sausage and veggies.

Can I prepare this recipe ahead of time?

Definitely! You can assemble it the night before and refrigerate it up to 24 hours before baking. This is great for busy mornings or entertaining.

How long does this casserole last once baked?

Stored properly in the refrigerator, it stays fresh for about five days. Just cover it tightly and reheat as needed for quick meals.

Final Thoughts

Honestly, the Ultimate Sausage Egg Bake Recipe feels like a little warm hug from the kitchen every time I make it. It’s reliable, delicious, and so simple to customize—you’ll quickly find it becomes your go-to for gatherings or even a lazy weekend breakfast. Give it a try, and I bet it’ll become a favorite in your home too!