20 Breakfast Casseroles You’ll Wish You’d Tried Sooner

You likely already make casseroles like lasagna or shepherd's pie for dinner—they’re the ultimate comfort foods! But did you know you can also make a casserole for breakfast? That’s right—all your favorite breakfast flavors packed together in a warm, filling, oven-baked meal that will get your day off to a great start. Keep reading to discover 20 delicious breakfast casseroles you simply must try.  

What Is a Casserole?

A casserole is a meal prepared in a casserole pan and baked in the oven. Ingredients from a variety of food groups are layered into a pan so that their flavors can meld together in the oven, resulting in a complete meal that’s both nutritious and filling.

The beautiful thing about casseroles is that they usually only require one pan, making prep and clean-up a breeze. Most of the cooking is hands-off, too—simply layer ingredients, pop them in the oven, and sit back and relax. Casseroles are great for large family gatherings, potlucks, or meal prepping. They can also be made ahead of time and frozen.  

Types of Casserole Pans

Casserole pans are large, deep, and safe to use in the oven. They can be square, rectangular, round, or oblong and come in a wide range of sizes. They can be made of glass, ceramic, cast iron, aluminum, or stainless steel. 

Glass and ceramic pans are the most versatile because they allow for even cooking and can be used to safely store leftovers. Cast iron pans are perfect for casseroles that need to be cooked on the stovetop first before going into the oven. 

20 Delicious Breakfast Casseroles to Try

Baking a casserole for breakfast is the perfect way to make sure you get a nutrient-rich start to your day. It’s perfect for holiday mornings when you need to feed a large crowd or meal prepping a few days’ worth of breakfasts for a small household. Most of the recipes below can be assembled the night before, too, meaning all you have to do in the morning is pop the casserole in the oven.

Let’s dive in! 

1. Hashbrown Casserole

Nothing says breakfast like a batch of crispy golden hashbrowns. Take things to the next level by baking them into a hashbrown casserole. Simply layer hashbrowns at the bottom of a casserole pan, add a layer of cooked breakfast sausage, add your favorite veggies, pour in a mixture of eggs and milk, and top with a bit of cheese. You can shred potatoes on your own or use ready-made hashbrowns to cut down on prep time. 

2. Tater Tot Breakfast Casserole

Use tater tots in place of hashbrowns for another potato lover’s breakfast casserole. This recipe places the cooked sausage at the bottom, followed by a layer of cheese and the egg and milk mixture. The tater tots make up the top layer and are sprinkled with thick cut slices of bacon and a bit more cheese.

3. French Toast Casserole

This French toast casserole brings all the flavors and textures of traditional French toast but without the hassle of frying each slice of bread individually. To start, layer the bottom of your casserole pan with a mixture of melted butter and brown sugar—yum! Next, toss in cubes of French bread and pour in a mixture of eggs, milk, cinnamon, and vanilla extract. Bake to perfection and enjoy! 

4. Baked Oatmeal Casserole

Oatmeal is a popular breakfast choice, but if you haven’t tried baking it yet, you’re in for a treat! Start by layering the bottom of the casserole pan with berries of your choice (or maybe even apples or pears). Next, add a mixture of old-fashioned oats, toasted nuts, and warm spices like cinnamon and nutmeg. Pour in a mixture of milk and eggs and top with some more berries or fruit. The result is a healthy, naturally sweetened, dessert-like breakfast you can feel great about. 

5. Biscuits and Gravy Casserole

Can you name a better pairing than biscuits and gravy? Biscuits and gravy in a casserole, of course! This particular recipe calls for biscuits made from scratch, but you can also use ready-made dough. Simply spread dough pieces along the bottom of a casserole pan, pour in a mixture of milk and eggs, add in a layer of sausage gravy, sprinkle with cheese, and add a few more dough pieces on top. It’s the perfect way to make biscuits and gravy for a crowd! 

6. Crock-Pot Breakfast Casserole

Most breakfast casseroles can be assembled the night before and baked first thing in the morning. However, if you don’t have time to bake it in the morning, this slow cooker breakfast casserole is the perfect solution. All you have to do is place your ingredients in the Crock-Pot, turn it on, and go to sleep. Breakfast will be ready when you wake up! 

7. Breakfast Enchiladas

In traditional Mexican enchiladas, tortillas are wrapped around a ground beef filling and drenched in a red sauce. This breakfast version is similar, but it’s stuffed with all our favorite breakfast foods. To start, mix together cooked breakfast sausage, cheese, and bacon bits and roll the mixture into 8-10 tortillas. Place the tortillas into a casserole pan, pour over a few beaten eggs, add a generous layer of shredded cheese, and sprinkle on some more bacon. Feel free to play around with the fillings!

8. Breakfast Lasagna

Another dinner favorite gets a makeover in this breakfast lasagna recipe. Keep the lasagna noodles, but replace the ground beef with breakfast sausage and/or bacon, the ricotta cheese filling with a layer of eggs, and the tomato sauce with a Bechamel-based cheese sauce. If you’ve been waiting for an excuse to have pasta for breakfast, this is your chance!

9. Pancake Casserole

Pancakes are a go-to breakfast option on weekends and special occasions, but making them one-by-one can get a bit tedious. The solution? Layer all your favorite toppings and sides into a casserole pan and cover with a generous pour of pancake batter. This recipe calls for blueberries and chunks of breakfast sausage for a sweet and savory version, but you can really add anything you’d like! 

10. Sweet Potato Breakfast Casserole

This sweet potato breakfast casserole is a healthy way to start your day. The complex carbs in the sweet potato will keep you energized and feeling full longer. This particular recipe also calls for green peppers, but feel free to load up on other vegetables, as well. To make this casserole, simply layer sautéd vegetables and cooked turkey sausage in a casserole pan and cover with a mixture of milk and eggs. 

11. Corned Beef Hash Casserole

Wondering what to do with leftover corned beef? This corned beef hash casserole is the perfect breakfast for the day after St. Patrick’s Day (or any day of the year, really). Start by chopping up some potatoes and making corned beef hash. Once it’s ready, add flour and milk to the hash to create a white sauce, mix in some shredded cheese, and a few beaten eggs. Pour the mixture into a casserole pan and bake. Feel free to use canned corned beef or corned beef hash if you don’t have leftovers.

12. Chicken and Waffles Casserole

This breakfast casserole can be as simple or as elaborate as you like. If you’ve got the time, you can prepare homemade fried chicken and waffles from scratch. Or, if you’re in a pinch, you can always opt for store-bought frozen ingredients. Cut everything into chunks and layer them into a greased casserole pan, along with a handful of shredded cheese. Then, pour a mixture of eggs, milk, and maple syrup, and top with some more cheese. It’s a combination of flavors you never knew you needed! 

13. Eggs Benedict Casserole

Eggs Benedict is a classic breakfast dish, and it’s even better in casserole form! Cut up English muffins into 1-inch cubes and soak them in a creamy custard before layering them in a casserole pan along with sliced back bacon. While the casserole is baking, prepare the Hollandaise sauce in a blender and pour it over the casserole once it’s done. If you’re feeding a crowd, skip poaching eggs one by one and make this instead! 

14. Greek Omelette Casserole

This omelette casserole combines the best Mediterranean flavors for a light, yet filling, breakfast. The recipe calls for sautéd spinach, pickled artichoke hearts, roasted red peppers, olives, and sun-dried tomatoes. Layer the ingredients in a casserole pan, cover them with a mixture of eggs and milk, and sprinkle some feta cheese on top. The result is a delicious, vegetarian low-carb meal that’s bursting with flavor. 

15. Thanksgiving Leftovers Breakfast Casserole

Let’s be honest: It isn’t Thanksgiving if you don’t cook way too much food. But what do you do when you’re faced with a pile of leftovers the next morning? Well, this Thanksgiving leftovers breakfast casserole may just save your day. To assemble it, dice up leftover turkey, veggies, and stuffing (if you don’t have any stuffing left, try using Hawaiian rolls instead), and place everything in a casserole pan. Next, pour over a mixture of eggs and milk. Once it’s baked, you can even serve it with leftover cranberry sauce or gravy. 

16. Tex Mex Breakfast Casserole

This breakfast casserole packs some serious flavor (and heat!). It’s made with potatoes, chorizo sausage, green chiles, and Monterey Jack cheese. Place the ingredients in a casserole pan and cover with a mixture of eggs, scallions, and seasonings. Once baked, you can top it with salsa, avocado, and jalapeno peppers for even more Tex Mex goodness!

17. Sweet Croissant Breakfast Casserole

This casserole is for those mornings when you wish you could have a cream cheese danish for breakfast. Seriously, it tastes like dessert. To make this sweet breakfast treat, add chopped croissants to a greased casserole pan and sprinkle in some berries. Make a cream cheese sauce with milk, eggs, and sugar, and pour over the casserole. For added deliciousness, make a quick powdered sugar glaze to pour on top once it’s done baking. Just don’t eat it all in one sitting! 

18. Cauliflower Breakfast Skillet Casserole

This recipe calls for a cast iron skillet, so you can brown your sausage and bake the casserole all in one dish. Once the sausage has cooked, add onions and cauliflower florets to sauté them, sprinkle in shredded cheese, and cover with a mixture of eggs and milk. Then it’s ready to go in the oven—no need to transfer anything to a new pan or wash extra dishes! Plus, it’s low carb and, thanks to the cauliflower, perfectly satisfying.

19. Everything Bagel Breakfast Casserole

This casserole gives new life to stale bagels while offering the same delicious flavors and textures of a classic bagel breakfast. To prepare it, cut your bagels into chunks and place them in a casserole pan, along with chopped peppers, tomatoes, and bacon. Cover with a mixture of eggs, milk, and shredded cheese. Before baking, top with chunks of cream cheese and sprinkle with everything bagel seasoning. You might never go back to having regular bagel breakfasts again! 

20. Vegan Breakfast Casserole

Most breakfast casseroles use eggs as their main ingredient, but is it possible to omit eggs and dairy for a vegan option? Absolutely! This recipe calls for hashbrowns, lots of vegetables, vegan bacon, and vegan cheese. To make a substitute for the egg and milk mixture, blend together tofu, rice flour, cornstarch, nutritional yeast, and spices for a delicious sauce that holds the casserole together. Keep it as the base of your casserole and play around with fillings for even more tasty options.

Which One Will You Make First? 

You probably already have the ingredients to make at least one of these breakfast casseroles. Why not prep it tonight? You can pop it in the oven first thing tomorrow and enjoy a slow morning lounging about with a cup of coffee. You’ll know it’s ready when your kitchen is filled with the tantalizing aroma of a warm, fresh baked breakfast. Your future self will thank you! 

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Written By

Sayana Lam

Sayana is a musician, writer and graphic designer based in Toronto, Canada.

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