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Amazing Easy Breakfast Casserole: 6 Servings

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amine

November 21, 2025

A golden-brown Easy Breakfast Casserole baked in a white dish, topped with melted cheese and crumbled sausage.

Oh, those crazy busy mornings! You know the ones – where you’re trying to get everyone out the door, find matching socks, and somehow, miraculously, feed them something that actually sticks to their ribs. Been there, done that, got the slightly-too-early wake-up call to prove it! That’s exactly why I’ve perfected this Easy Breakfast Casserole recipe. It’s a lifesaver, truly. It’s simple, packed with flavor, and honestly, so forgiving. I remember a particularly frantic Saturday when dance class, soccer practice, and a birthday party were all on the same day. This casserole was the only thing that kept us all fueled and happy. It’s become my trusty go-to for those hectic days when you need breakfast to be the easy part.

A slice of Easy Breakfast Casserole with layers of sausage, eggs, and melted cheese, baked to golden perfection.

Why This Easy Breakfast Casserole (How-To) Is a Game-Changer

Seriously, this recipe is a lifesaver. Here’s why it’s become my absolute favorite for busy mornings:

  • Super Speedy Prep: You can toss it together in about 15 minutes flat. Seriously, that’s faster than waiting in line at the coffee shop!
  • Minimal Fuss: It’s mostly just dumping and mixing. No fancy techniques needed, just grab your favorite skillet and a baking dish.
  • Crowd Pleaser: Even the pickiest eaters devour this! It’s got that yummy savory flavor that everyone loves.
  • Totally Versatile: Don’t like sausage? Swap it! Want different veggies? Go for it! You can really make it your own. Check out more quick breakfast ideas for inspiration.
  • Make-Ahead Magic: Bake it the night before and just reheat in the morning. Total game-changer for those rush-out-the-door days.
  • Satisfyingly Filling: This isn’t a light, airy breakfast; it’s hearty and keeps you full until lunch. No post-breakfast hunger pangs here!

Gather Your Ingredients for the Easy Breakfast Casserole (How-To)

Alright, listen up! To get this amazing breakfast casserole going, you’ll need these goodies. Don’t worry, it’s all pretty standard stuff you might already have!

First up, for the savory base, grab 1 pound of breakfast-style sausage. You can use mild or spicy, whatever your heart desires! Then, let’s get some veggies in there so it feels a *little* healthy, right? You’ll need 1 cup of chopped onion and 1 cup of chopped bell pepper – any color works, I usually go for whatever looks good in the produce bin.

For the custardy goodness, we’re going with 6 large eggs. Make sure they’re large! And to make it nice and creamy, get 2 cups of milk. Whole milk is great, but honestly, any kind will do in a pinch. For just a touch of seasoning, we’ll add 1 teaspoon of salt and 1/2 teaspoon of black pepper. And for that cheesy magic? You’ll want 2 cups of shredded cheddar cheese. Yum!

Finally, the backbone of the casserole that soaks up all that goodness: 6 slices of bread. It’s best if it’s a day or two old, so it’s a bit stale, or just give it a quick toast. Cut it into cubes – roughly 1-inch pieces are perfect!

Step-by-Step Guide: Making Your Easy Breakfast Casserole (How-To)

Okay, ready to whip up this magic? It’s seriously straightforward. Just follow along, and you’ll have a fantastic breakfast casserole before you know it!

Preheating and Preparing the Dish

First things first, let’s get that oven warmed up. Crank it to 350 degrees F (that’s 175 degrees C). While it’s heating, grab your trusty 9×13 inch baking dish and give it a good greasing. This is super important to make sure nothing sticks later – we want that casserole to slide right out!

Cooking the Sausage and Vegetables

Now, for the savory goodness! Get a big skillet over medium heat and toss in that pound of breakfast sausage. Cook it up, breaking it apart with your spoon, until it’s all beautifully browned. Give it a good drain to get rid of any extra grease – nobody wants a greasy casserole! Then, toss in your chopped onion and bell pepper. Sauté ’em for about 5 minutes until they’re nice and soft. The whole kitchen will start smelling amazing!

A slice of Easy Breakfast Casserole featuring layers of bread, sausage, eggs, and melted cheese.

Assembling the Base Layers

Alright, grab that greased-up baking dish. Spread the cooked sausage and veggie mix evenly across the bottom. Then, sprinkle your cubed bread all over the top of that. Try to get it distributed pretty well so every bite has some of that yummy base.

Creating the Egg Mixture

In a separate bowl, it’s time to mix the magic binder! Crack in your 6 large eggs, pour in the 2 cups of milk, and add your salt and pepper. Get your whisk going and give it a good whisk until everything is totally combined and looks nice and uniform. You want it all blended in there!

Pouring and Topping the Casserole

Now comes the fun part! Gently pour that lovely egg mixture all over the sausage, bread, and veggies in the baking dish. Make sure it gets into all the nooks and crannies. Once that’s done, generously sprinkle the 2 cups of shredded cheddar cheese all over the top. This is going to get deliciously melty and golden!

A close-up of an Easy Breakfast Casserole with golden-brown bread, sausage, and melted cheddar cheese in a white baking dish.

Baking and Resting

Pop that beautiful dish into your preheated oven. Let it bake for about 40 to 45 minutes. You’ll know it’s ready when the casserole is set through and the cheese on top is melted and has those lovely golden-brown spots. Before you dive in, though, let it rest for about 5-10 minutes. This little pause helps it set up perfectly, making it easier to serve and giving you even better texture. Trust me, it’s worth the wait! If you love make-ahead meals, this is a great one to try alongside my meal prep breakfast burritos.

Tips for the Perfect Easy Breakfast Casserole (How-To)

Okay, so you’ve got the recipe, but let me share a couple of my little secrets to make this Easy Breakfast Casserole (How-To) absolutely *perfect* every single time. I’ve learned these through trial and error, and trust me, they make a big difference!

First off, don’t skimp on the bread! Using stale or slightly toasted bread is key. Fresh bread can get a bit mushy, but older bread soaks up all that delicious eggy goodness without turning into soup. I usually just leave my bread out on the counter for a day or toast the cubes lightly in the oven if I’m in a real hurry. It makes *all* the difference for that lovely, slightly chewy texture. Also, make sure to really drain off the sausage grease; nobody wants an oily casserole, right?

When you’re whisking those eggs and milk, give it a good, thorough whisking. I like to make sure there are no streaks of egg white left. This helps create a smoother, more cohesive custard that holds everything together beautifully. It’s a simple step, but it really lifts the texture. If you love making things ahead, check out my egg muffins – another great grab-and-go option!

Variations and Substitutions for Your Easy Breakfast Casserole

You know, the beauty of this Easy Breakfast Casserole is how darn adaptable it is! It’s like a blank canvas for your breakfast dreams. If sausage isn’t your jam, no worries! Try crumbled bacon, diced ham, or even some spicy chorizo for a kick. For a leaner option, cooked shredded chicken works too, or stick to the veggies for a delicious vegetarian meal – you can see some great vegetarian meal prep bowl ideas for inspiration.

Feeling fancy with your veggies? Toss in some mushrooms, spinach, or even a pinch of jalapeño for heat. And cheese, oh glorious cheese! Cheddar is classic, but Gruyere, Monterey Jack, or a spicy pepper jack are amazing. If you need to go dairy-free, there are some pretty decent shredded cheeses out there now, and you can swap the milk for a plain, unsweetened almond or soy milk. For my gluten-free friends, just make sure to use your favorite gluten-free bread, or even some gluten-free toast cubes. It all works!

Serving Suggestions for Your Easy Breakfast Casserole

Now that you have this fantastic breakfast casserole ready to go, what else do you need? Honestly, it’s a meal in itself! But if you want to round it out, a simple side of fresh fruit is always lovely. Think juicy melon, berries, or even some sliced oranges. A slice of whole-wheat toast never hurts either, especially if you want a little extra crunch. For something lighter and fresher, a small side salad with a light vinaigrette is surprisingly good! It cuts through the richness of the casserole. And of course, coffee, tea, or some orange juice makes it a perfect start to any day. You can even whip up a quick side salad using these salad ideas.

A close-up of a slice of Easy Breakfast Casserole, featuring bread, sausage, and melted cheddar cheese.

Storage and Reheating Your Easy Breakfast Casserole

Got leftovers? Lucky you! Store any leftover Easy Breakfast Casserole in an airtight container in the fridge for up to 3 or 4 days. It holds up really well! Need to freeze it? Totally doable! Just wrap portions tightly in plastic wrap, then foil, and pop them in the freezer for up to a month.

For reheating, the oven is your best bet for that just-baked texture. Pop individual slices or a whole pan in a 350°F (175°C) oven for about 15-20 minutes, or until heated through. If you’re in a super rush, the microwave works too, just cover it loosely with a paper towel to avoid splatters. You might find it a *little* softer, but still super tasty! If you’re planning ahead, check out my tips for simple weekly lunch meal prep – it pairs great with this.

Frequently Asked Questions about Easy Breakfast Casserole

Got questions about this awesome casserole? I’ve got answers! Here are a few things people often ask me, and hopefully, this helps you out:

Can I make it ahead of time?

Absolutely YES! This is one of my favorite things about this Easy Breakfast Casserole. You can totally assemble the whole thing the night before, cover it tightly, and pop it in the fridge. In the morning, just pull it out, let it sit for maybe 10 minutes while the oven heats up, and then bake as usual. It might take a few extra minutes in the oven, but it’s so worth it for a stress-free morning!

Can I freeze it?

You sure can! It freezes really well, which is fantastic for having grab-and-go meals. Bake it first, let it cool completely, then wrap individual portions or the whole casserole really well in plastic wrap and then foil. Pop it in the freezer for up to about a month. Reheat it gently in the oven or microwave.

What if I don’t have stale bread?

No worries at all! If your bread is super fresh, just give the cubes a quick toast in a single layer on a baking sheet in a 350°F (175°C) oven for about 5-8 minutes, or until they’re lightly golden and a bit dried out. This little step makes sure they soak up all the yummy egg mixture instead of getting mushy. Fresh bread can get a bit too soft, and we want a nice texture!

Can I use different types of sausage?

Oh, for sure! The recipe calls for breakfast sausage, but feel free to mix it up. You can use a spicy Italian sausage for a little kick, or even cooked and crumbled bacon or diced ham instead. Just make sure it’s cooked before you add it to the casserole. If you try different ones, I’d love to hear how it turns out! You might also like my easy overnight breakfast casserole variations.

Nutritional Information

Just a heads-up, this is an estimate per serving, and the actual numbers can wiggle around a bit depending on the exact ingredients and brands you use. For our Easy Breakfast Casserole, you’re looking at roughly Calories: 350-450, Protein: 20-25g, Fat: 25-35g, and Carbohydrates: 15-20g. It’s a hearty meal, for sure!

Share Your Easy Breakfast Casserole Creation!

So, what did you think? Did you give this Easy Breakfast Casserole a whirl? I’m dying to hear all about it! Drop a comment below and let me know how it turned out, or if you tweaked it with your own amazing additions. And hey, if you snap a pic, tag me on social media – I love seeing your kitchen creations! You can find more about my cooking adventures here.

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  • Author: Mary

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