Best Sausage Egg Breakfast Casserole: 8 Servings

I swear mornings used to be pure chaos at our house when the kids were little—school bags flying, shoes missing, and breakfast usually ended up being a rushed granola bar eaten in the car. It was exhausting! That’s why I started obsessing over finding the perfect solution, and folks, I landed on gold with the Best Sausage Egg Breakfast Casserole. For me, as someone who really digs into family meal planning to keep things sane, this casserole became my superpower!

I remember that first Saturday when I whipped this up on a whim, needing a solution for those crazy weekdays ahead. We actually sat down for a whole, uninterrupted hour! That first warm, cheesy slice felt like a hug on a plate. Now, it’s a non-negotiable staple, a tradition that reminds me of those slower moments we managed to carve out.

Golden brown Sausage Egg Breakfast Casserole baked in a white rectangular dish, featuring bread cubes and crumbled sausage.

I’m Sophie Williams, and trust me, I know the juggle! This recipe isn’t just good; it’s genuinely a game-changer for busy families needing hearty, make-ahead meals. Check out my journey; this casserole grew right alongside our family.

Why This Is the Best Sausage Egg Breakfast Casserole for Busy Families

Seriously, if you’re looking for a breakfast hero, this is it. I designed this savory bake specifically for the daily morning shuffle that parents everywhere know all too well. It takes the stress right out of getting a good meal on the table.

What makes it the absolute best? Well, it checks every box a busy mom or dad needs:

  • Make-Ahead Magic: You put in the work Saturday, and Sunday morning is pure relaxation. It fits perfectly into your weekend breakfast rotation because you can literally pull it from the fridge and slide it into the oven.
  • Hearty and Filling: Between the sausage, eggs, and bread soaking up all that creamy custard, this breakfast bake sticks with you. No mid-morning snack demands here!
  • Flavor That Sings: It’s perfectly seasoned with sharp cheddar and just a hint of mustard—it tastes like you spent ages cooking, even though the prep is super fast.
  • Simple Prep: This recipe is the definition of Easy Prep. We’re talking just mixing, pouring, and baking. That’s my kind of cooking!

Gathering Your Ingredients for the Best Sausage Egg Breakfast Casserole

If you want the absolute best result, you can’t start cutting corners on the ingredients list. When people ask me for tips on success, they often forget that the quality of the basics—especially the cheese and the bread—makes a huge difference in how this dish sets up. Don’t worry, I’ve gathered everything you need right here. You probably have most of this in your fridge already!

When you’re shopping, remember that sharp cheddar is necessary to cut through the richness of the sausage and egg custard. Also, make sure you grab a good, hearty white bread; super flimsy sandwich bread sometimes gets too mushy, and we want that nice structure.

For the Casserole

This is the main event! Here’s what you need for one amazing breakfast bake that serves about 8 people:

  • 1 tablespoon olive oil
  • 14-16 ounces uncooked pork breakfast sausage (use the good stuff!)
  • 12 large eggs
  • 2 cups half-and-half (don’t substitute the whole milk here, you need the richness)
  • 2 teaspoons dry mustard
  • 1.5 teaspoons kosher salt
  • 0.5 teaspoon freshly ground black pepper
  • 8 ounces sharp cheddar cheese, shredded (that’s about 2 cups, and yes, shred it yourself!)
  • 6 slices hearty white sandwich bread, about 8 to 9 ounces, cut into 1-inch cubes

See? It’s straightforward, but those details—like cubing your own bread and choosing sharp cheddar—are what elevate this from being just *a* casserole to being *the* Best Sausage Egg Breakfast Casserole.

Step-by-Step Instructions for Your Best Sausage Egg Breakfast Casserole

Okay, let’s get down to business! This is where the magic happens, but don’t let the steps scare you. It’s really just a little bit of browning, whisking, and assembling. Follow these instructions exactly, and you’ll have that beautiful, hearty breakfast bake ready in under an hour and fifteen minutes total. I always feel like I’m cheating when I make this because it’s so easy compared to the payoff!

Preparing the Base and Egg Mixture

First things first, we get the oven heating up. You want it at 350°F (175°C). While that’s warming, grab your 9×13 inch dish and give it a good greasing—a little oil or spray works, whatever you keep on hand. Next, grab that large skillet! Over medium heat, cook up your pork breakfast sausage until it’s nicely browned and totally crumbled. I always make sure to drain off every bit of excess grease; nobody wants a greasy custard, trust me.

A close-up of the Best Sausage Egg Breakfast Casserole, featuring browned sausage and melted cheese over cubed bread in a white baking dish.

Now, for the heart of the dish, the egg mixture. In your big bowl, you’re going to whisk together those 12 eggs, the half-and-half, your mustard, salt, and pepper. Whisk it until it looks completely uniform and slightly frothy. You want everything integrated before it hits the bread.

Assembling and Baking the Best Sausage Egg Breakfast Casserole

Time to put it together! Grab your prepared baking dish. Add in your cubed bread, the cooked sausage, and that glorious shredded cheddar cheese. Add about half of the egg mixture and stir everything gently. If you want to see another fantastic take on similar comfort food, check out this recipe for inspiration!

Once it’s mixed, pour the rest of that creamy egg mixture evenly over the top. Get a spatula and press down gently everywhere to make sure most of that bread gets soaked through—it really needs to sit in that custard bath! Now we bake in two stages. Cover the dish with foil and pop it in that 350°F oven for 30 minutes. That first covered session steams things nicely.

Close-up of a golden brown Sausage Egg Breakfast Casserole baked in a white rectangular dish.

After 30 minutes, pull it out and toss that foil aside! You’ll bake it uncovered for another 15 to 20 minutes until the top looks golden brown and it seems set. Before slicing this beauty up, you absolutely must let it rest for 10 minutes. That short rest keeps the slices from falling apart when you serve up this amazing Breakfast Bake.

Expert Tips for the Perfect Best Sausage Egg Breakfast Casserole

Getting a stunning, uniformly cooked casserole isn’t luck; it’s about paying attention to a few details that make all the difference. When I share this recipe, I always warn people about a couple of common slips. If you follow these little tricks, you’ll always get that incredible texture we’re aiming for.

My biggest tip? Don’t over-whisk the eggs! You want them combined with the half-and-half, but if you beat them into a crazy foam, they deflate in the oven, and you lose that lovely density. Also, that bread needs to be fully saturated. I gently press mine down before the final egg pour to make sure those cubes are tucked in, ready to absorb the custard. If you’re looking for more quick ideas for weeknight meals, sometimes I use similar techniques for my easy chicken recipes too!

And please, drain that sausage well! If you leave too much fat in the bottom of the skillet, it pools in the bottom of your casserole dish and makes the bread soggy instead of perfectly custardy. Trust me on the draining part—it’s essential for balancing this rich dish.

Making Ahead: Your Secret to a Stress-Free Weekend Breakfast

You know how I keep saying this recipe is great for busy families? Well, this is the real reason why: it’s the ultimate make-ahead wonder! I call this the key to achieving a truly relaxed Weekend Breakfast. Seriously, you can prep the entire thing, cover it tightly, and pop it in the fridge for up to 24 hours before you plan to bake it.

When morning finally rolls around, don’t just throw it straight into the oven! That’s the one adjustment you need to remember. Let the casserole sit out on the counter and come closer to room temperature for about 30 minutes first. This helps it bake more evenly.

Because it starts colder, you’ll need to add just a few extra minutes to the initial covered baking time. Once the foil comes off, follow the baking time as normal. You still get that amazing, hearty breakfast bake with zero morning stress—that’s what I call winning the morning!

Variations on the Best Sausage Egg Breakfast Casserole

While I absolutely adore this original recipe—the classic pork sausage with sharp cheddar is pure perfection—sometimes you just need to mix things up a bit, right? That’s the fun part of a basic casserole structure; it’s super flexible! Don’t feel like you have to stick to the standard build every time, especially if you’re trying to use up stray veggies in the crisper drawer.

Here are a couple of ways I switch things up when I’m making this comforting dish for my family:

  • Change the Meat: I often swap out the pork sausage for turkey sausage if I want something a touch lighter, or I use spicy Italian sausage when we’re having guests over and want a nice kick! Just remember to drain whatever meat you use thoroughly.
  • Veggies Galore: About 1 cup of gently sautéed mushrooms, onions, and bell peppers added right in with the sausage works wonders. You have to cook the veggies down a bit first, though, so they don’t dump extra water into the custard.
  • Cheese Swap: If you’ve run out of cheddar (gasp!), Monterey Jack melts beautifully and gives a milder flavor, or mixing the cheddar with some Gruyère adds this incredible nutty depth. See? So many options, and they all still taste amazing because the eggs and mustard base holds everything together perfectly. These little meal tweaks really help keep weeknight dinner menus interesting, even if it’s just for breakfast!

Serving Suggestions for This Comfort Food Breakfast Bake

Once this big, beautiful, savory breakfast bake comes out of the oven and rests, it’s time for the fun part: dressing it up! Because this is such a rich slice of Comfort Food paradise, you want toppings that cut through that richness a little bit. It’s decadent, but you can balance it out easily.

I always serve ours with a side of fresh melon or berries—that cool sweetness is the perfect contrast to the hot, cheesy sausage down below. If you like a little spice, don’t skip the bottle of your favorite hot sauce on the table; a few dashes make that sharp cheddar pop even more! A small side salad with a light vinaigrette is also surprisingly excellent here if you want greens in the morning.

Frequently Asked Questions About Your Sausage Egg Breakfast Casserole

I get so many questions every time I post about this recipe, which just tells me how much everyone loves a hearty, make-ahead breakfast! It’s the perfect solution for feeding a crowd without losing your mind. Here are some of the most common things people ask me when making their very own Sausage Egg Casserole. If you need more help or just want to chat about meal prep, feel free to reach out to me!

Can I use different types of sausage in this Breakfast Bake?

Absolutely! That’s one of the fun things about this Breakfast Bake; it’s super forgiving. I use standard pork sausage because it’s a classic, but you can easily substitute it with turkey sausage if you want something a little leaner. If you love a kick, spicy Italian sausage is fantastic in here, or even maple sausage works great for adding a hint of sweetness!

Just remember my golden rule, no matter what meat you choose: you have to promise me you’ll drain all that grease off after you cook it. We want savory flavor, not an oil slick at the bottom of the dish!

How do I store leftovers of the Best Sausage Egg Breakfast Casserole?

Leftovers are the gift that keeps on giving the next day, especially since this recipe is already designed for Easy Prep! Once the Best Sausage Egg Breakfast Casserole has cooled completely—and I mean completely, otherwise you get condensation—slice it into squares. Store the pieces in an airtight container lined with a little paper towel if you have one handy, which helps absorb any residual moisture.

It stays perfectly good in the refrigerator for about three to four days. It freezes even better! If you know you won’t eat it all in a few days, wrap individual slices tightly in plastic wrap and foil, and they last beautifully for nearly two months. Just thaw them overnight in the fridge before reheating.

What is the best way to reheat this Easy Prep casserole?

This is where microwave reheating falls short, unfortunately. While you *can* zap a single serving in the microwave for about 45 seconds if you’re desperate, it tends to make the texture a little spongy, which we definitely don’t want!

For the very best result, treat it like baking it fresh. Pop your desired slice(s) onto a baking sheet or into a small, oven-safe dish. Cover it loosely with foil and reheat at 325°F (160°C) for about 10 to 15 minutes. The foil keeps the edges from drying out while the middle warms all the way through back to that perfect, fluffy texture. It’s worth the ten minutes, I promise!

A golden-brown Best Sausage Egg Breakfast Casserole baked in a white dish with one serving removed.

Estimated Nutritional Data for the Best Sausage Egg Breakfast Casserole

Now, I know many of you are tracking macros or just trying to get a handle on what’s going into your family’s tummies, especially with something this hearty! Transparency is huge for me, so I wanted to share the estimated nutritional breakdown for one serving of this amazing casserole. Since I’m a family meal planner and not a lab technician, take these numbers as a very good ballpark estimate based on the ingredients we used.

Remember, if you swap the pork sausage for turkey, or use a different kind of cheese, these numbers are going to shift a bit! But for the standard recipe, you’re getting a fantastic balance of protein and satisfying fat that keeps everyone full until lunch.

If you’re ever curious about how certain ingredients affect the final breakdown, you can always check out my policy page for more background on how I approach meal planning transparency!

Here are the general figures we are looking at per serving (based on 8 servings total):

  • Calories: 450
  • Fat: 30g (with 12g saturated fat)
  • Protein: 25g
  • Carbohydrates: 20g
  • Fiber: 2g
  • Sugar: 5g
  • Sodium: 900mg (It’s a savory dish, so watch the salt shaker!)
  • Cholesterol: 300mg
  • Iron: 10% of your daily value

Look at all that protein to start the day! That’s what makes this more than just a nice treat; it’s truly fuel for a busy day. I love seeing those numbers, especially knowing it means my kids are set until the school bell rings!

Share Your Experience Making This Family Breakfast Staple

This is truly where the recipe comes full circle for me. Seeing your families enjoy this Best Sausage Egg Breakfast Casserole is the best part of my job as a meal planning expert! I poured a lot of chaotic Saturday mornings into perfecting this method for us, and I sincerely hope it brings a little bit of that calm, warm feeling to your table, too.

When you make this delicious, hearty Breakfast Bake, please come back here and let me know how it went for you! Did it solve your morning logjams? Were the kids fighting over the edges?

I really value your feedback, whether it’s a quick star rating or a detailed comment about swapping out the cheese. Your experiences help build trust in these family recipes, and honestly, knowing that something I made easier is now part of someone else’s happy routine means the world to me. Happy baking, everyone!

A golden-brown Best Sausage Egg Breakfast Casserole baked in a white dish with a serving removed.

Best Sausage Egg Breakfast Casserole

This sausage egg breakfast casserole is a hearty and delicious option for busy families. It can be made ahead, making your mornings easier and more enjoyable.
Prep Time 20 minutes
Cook Time 45 minutes
Resting Time 10 minutes
Total Time 1 hour 15 minutes
Servings: 8 people
Course: Breakfast
Cuisine: American
Calories: 450

Ingredients
  

For the Casserole
  • 1 tablespoon olive oil
  • 14-16 ounces uncooked pork breakfast sausage
  • 12 large eggs
  • 2 cups half-and-half
  • 2 teaspoons dry mustard
  • 1.5 teaspoons kosher salt
  • 0.5 teaspoon freshly ground black pepper
  • 8 ounces sharp cheddar cheese, shredded preferably white, about 2 cups
  • 6 slices hearty white sandwich bread about 8 to 9 ounces, cut into 1-inch cubes

Equipment

  • Large skillet
  • 9×13-inch baking dish
  • Whisk
  • Large bowl

Method
 

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9×13 inch baking dish with cooking spray or olive oil.
  2. In a large skillet over medium heat, cook the breakfast sausage until browned and crumbled. Drain off any excess grease.
  3. In a large bowl, whisk together the eggs, half-and-half, dry mustard, kosher salt, and black pepper until well combined.
  4. Add the cubed bread, cooked sausage, shredded cheese, and about half of the egg mixture to the prepared baking dish. Stir gently to combine.
  5. Pour the remaining egg mixture evenly over the casserole. Press down gently with a spatula to ensure the bread is mostly submerged.
  6. Cover the baking dish with foil and bake for 30 minutes.
  7. Remove the foil and bake for an additional 15-20 minutes, or until the casserole is set and lightly golden brown on top.
  8. Let the casserole rest for about 10 minutes before slicing and serving.

Nutrition

Calories: 450kcalCarbohydrates: 20gProtein: 25gFat: 30gSaturated Fat: 12gCholesterol: 300mgSodium: 900mgPotassium: 250mgFiber: 2gSugar: 5gVitamin A: 20IUCalcium: 20mgIron: 10mg

Notes

For a make-ahead option, assemble the casserole as directed, cover tightly, and refrigerate for up to 24 hours. When ready to bake, let it sit at room temperature for about 30 minutes before baking as instructed, adding a few extra minutes to the covered baking time if needed.

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