Easy Cheesy Breakfast Casserole

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Easy Cheesy Breakfast Casserole | gimmesomeoven.com

My mom and I were talking the other day about how different life would be if we lived a little closer to one another.

Right now, we live about 3 hours apart — close enough to definitely be able to drive and visit fairly often, but just far enough away that you can’t exactly grab coffee together on a whim. But that’s what we were talking about. It would be so fun to just be close enough to grab lunch together spontaneously! Or pop over for a glass of wine on the back deck. Or bribe her and my dad with cookies if they’d come help me unload a new sofa. Or do our grocery shopping together. You know, the random everyday things…together!

Sure, our time hanging out when they’re here or I’m there is great. But we usually see each other over the course of a weekend or a few days back-to-back, and you can’t help but feel the pressure to squeeze in All The Things while we’re in the same city at the same time. It’s like that with any long-distance relationships. And we both have major roots in both of our cities, so I don’t see that changing anytime soon. So we talk a lot on the phone, enjoy our time together in person when we can, and make the most of it. You know, as you do 3 hours apart. :)

Sadly, I am tied up in Kansas City this Sunday and won’t be able to make it to Wichita for Mother’s Day this year. But you can bet your bottom dollar that if I lived there, I would love to sneak over to their house early in the morning and make her a surprise to start the day — this cheesy, sausage-y, potato-y, indulgent (and easy to prepare the night before!) easy breakfast casserole. She would be a little surprised, and she might make some comment about how it’s not quite the light and healthy breakfast she usually eats, and then she would dive in.

Because that’s what moms do. :)

Easy Cheesy Breakfast Casserole Recipe | 1-Minute Video

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

Yes, this casserole probably falls a little more on the “indulgent” side. But I have had sooo many requests over the years for a basic breakfast casserole. And on special occasions, or even just any ol’ day when you feel like a hearty breakfast, this classic recipe is guaranteed to start your day off with a smile.

I have made it (or a version of it) countless times over the years whenever I need a quick and easy meal to serve a crowd. And I can attest that while it’s a definite crowd-pleaser, it’s also a cook-pleaser because it is super easy to make. If you don’t want to wake up really early for breakfast, you can also prep it the night beforehand and then pop it in the oven the next day. Win for you, and a win for your guests (or your mama!).

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

The steps to make it are simple. Just brown up some sausage. (I highly recommend using “hot” Italian sausage, as it will help flavor the whole casserole.)  Then saute some onions, garlic and a red pepper. (Or you can use a jar of roasted reds.)  Add those together with some whisked eggs, milk and cheese, and toss it all with the potatoes until combined. Then pop it in a baking dish and cook until the potatoes are tender.

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

Then once it’s nice and hot and bubbly and melted-cheesy, pull it out.

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

And top with some green onions, if you’d like some extra color. Or diced avocados would also be lovely.

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

Then dish it up (and discover those eggs that have settled to the bottom and baked).

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

And dive in, just like my mom would. ;)

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

So to my mom (who reads my blog faithfully each morning), happy early Mother’s Day!!!  I love you, and think you’re still my #1 Mom, and will make this for you (for realz) the next time I see you. :)

And to all of you other mothers out there, my warmest wishes to you for a happy Mother’s Day as well! You are changing this world every day, and we’re all better because of you. Big hugs from KC to wherever you may be!

Easy Cheesy Breakfast Casserole | gimmesomeoven.com

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Easy Cheesy Breakfast Casserole Recipe

Easy Breakfast Casserole with Sausage, Hashbrowns and Eggs

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Total Time: 45 minutes
  • Yield: About 8 servings 1x


This easy sausage, egg and hash brown casserole is simple to make, and always a crowd-pleaser!


  • 1 pound Italian sausage (I prefer hot, but mild or sweet will also work)
  • 1 medium white onion, peeled and diced
  • 3 cloves garlic, minced
  • 1 red bell pepper, cored and diced (or 1 jar of roasted red peppers, drained and diced)
  • 6 eggs
  • 1/3 cup milk
  • 1 (20 ounce) bag frozen diced hash browns, thawed
  • 2 cups shredded sharp cheddar cheese
  • 1/4 teaspoon freshly-ground black pepper
  • optional topping: thinly sliced green onions


  1. Heat oven to 375°F.
  2. Add the sausage to a medium saute pan. Cook over medium-high heat until browned, crumbling the sausage with a spoon as it cooks. Remove sausage with a slotted spoon and transfer to a large mixing bowl. Reserve about 1 tablespoon of sausage grease in the saute pan, discarding the rest. Add the onion and red pepper* to the saute pan, and saute for 5 minutes until cooked. Add the garlic and saute for an additional 2 minutes until fragrant. (If using the jarred roasted red peppers, wait to stir them until after the garlic.) Pour the vegetable mixture into the mixing bowl with the sausage. Add the hash browns and 1 1/2 cups cheese to the mixing bowl with the sausage and veggies. Stir to combine.
  3. In a separate bowl, whisk together the eggs, milk and black pepper until combined. Then add them to the hashbrown mixture, and stir to combine. Pour the mixture into a 11×7-inch or a 9×9-inch baking dish (a 9×13-inch dish will also work), and top with the remaining 1/2 cup of shredded cheese. Cover with aluminum foil and bake for 30 minutes. Then remove the aluminum foil and bake for an additional 10-15 minutes until the potatoes in the center are cooked through.  (I recommend just using a fork to pull out one of the potatoes in the center of the casserole, and test it to see whether it’s tender and cooked through). Remove and let the casserole rest for 5 minutes. Sprinkle with green onions and serve!


*Update: Some of you have reported back that your casserole took closer to 45 minutes (total) to bake, so I’ve updated the recipe instructions accordingly.  In general, just keep an eye on the casserole while baking, and once the potatoes are tender, it’s ready to go!

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590 comments on “Easy Cheesy Breakfast Casserole”

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  1. Breakfast for dinner? Count me in!

  2. Haha a “cook pleaser”–love it! My mom would definitely love this and I wish I could be closer to her to make it for her. We are 9 hours apart and it’s really hard!

  3. This casserole would be so good and not just for breakfast :D

  4. These photos are beautiful! My husband and I are house hunting right now and definitely want to stay close to my parents. I consider myself SO lucky that I can pop over and hang out whenever I want (and vise versa).

  5. I’ve read that women can’t resist two things 1.) chocolate and 2.) cheese. And I plan to have both for Mother’s Day!! For men, it’s peanut butter, right?!?

    I love how this can be prepared the night before and I can indulge on Mother’s Day but not have to cook that morning because as a mom with small kids, that’s a little lame.

    Your pics are smashing!! Thanks =)

  6. This is definitely my kind of breakfast and perfect for mom!

    I often have the same sentiments living three hours from my family. I would love to often pop in for a cup of coffee or grocery shop with my mom. It makes me really savor the time I do spend with her!

  7. This looks over the top scrumptious!! I’m in love

  8. Oh happy day. This looks SO good. Excuse me while I do as you instructed and dive right in :)

  9. I love this recipe. My honey and I try to have brunch with the family (or at least with each other) every weekend and this will be an excellent casserole to whip up and feed everyone with. Thank you!

  10. Does anyone know how many real potatoes I would need if I wanted to make the hash browns instead of buying frozen hash browns? And could I ues sweet potatoes instead of white potatoes for a variation?

    • I have another recipe that uses three pounds of potatoes cubed and boiled for eight minutes as a substitute for a bag of hash browns.

    • It depends on the size of your potatoes. I just made them with fresh potatoes, cubed, then microwaved the potatoes in a plate for 7 minutes. I followed the remaining steps as if I used thawed potatoes. Only different thing I did was not cover with foil because my potatoes were already precooked and baked it for 30 minutes. My family and I gobbled it up. Great recipe Ali! Thanks!

  11. Oh, this hits so close to home. My mom and I live 2 hours apart, and we only see each other once every couple of months. I know that is more than some people, but to me it is never enough time! And our weekends together always seem crazy hectic because we try to fit so much in. How I would love to live in the same city as my mom! Maybe one day. I think I’ll make this breakfast casserole for her on Sunday morning when I am visiting – thanks for the inspiration :)

  12. This looks absolutely amazing! Can’t wait to try it!

  13. This sounds awesome, Ali! I would love to try it with Field Roast vegan sausage for a veg-friendly version :)

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  15. Perfect for Mother’s Day! So delicious!

  16. Yum! A breakfast casserole I would eat everyday if I could.

  17. Very loving and sweet blog about your Mom. I loved reading it.
    I know I repeat myself endless about this, but easy really is a key word for me. I know we all the same amount of hours in the day. But I am filling mine up these days, so that lingering times in the kitchen is a luxury. However I still like to eat well and have people over. Mmmmm. So recipes like this are much appreciated.

  18. Thank you for the Mother’s Day wishes!! So incredibly sweet. Sounds like you have a great momma and I’m sorry you can’t spend the day together. Thanks for this awesome casserole recipe. Pinned!

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  21. If you make the casserole the night before, do you still bake it for the same amount of time?

  22. I really enjoyed you breakfast casserole and so did my guests, and it was easy to prepare. I plan to try it with chorizo next time. Thank you very much.

  23. I made this for Mother’s Day brunch today and it was a hit! Lots of compliments and it disappeared quickly :) It turned out perfect assembling it last night and baking it this morning. Thanks for another winner, Ali!

  24. Do you think you could use Egg Beaters for this?

  25. My guys would inhale this dish! I’d probably have to make two if I wanted to enjoy any of it! It would be great for a potluck brunch too

  26. How would this recipe turn out using breakfast sausage instead of italian? Have you done the recipe this way?

  27. This sounds delicious! Do you know how this is reheated? I wanted to try and do it at the beginning of the week and have it last a few days.

  28. We made this recipe for our “breakfast for dinner” tonight. I doubled the onions and red peppers, and used a sprinkling of salt while sautéing the vegetables, but otherwise followed the recipe as written. It came out beautiful, just like your gorgeous pictures, and was a huge hit. Thanks for wonderful recipe. I’m sure we will be making it often!

  29. Made this for a brunch and it was a hit! I used a bag of refrigerated shredded hashbrowns and it worked just fine. Great flavor and leftovers were great too. I could imagine making this on a weekend and eating it for several days for breakfast.

  30. Has anyone tried this with broken up pieces of bacon instead of the sausage? Curious how that would work. Looks absolutely delicious. Can’t wait to make it for the next family gathering.

    • I make something extremely similar with bacon but I cook it in a skillet instead of the oven. I cook the bacon first until crisp, pull it out and cook the potatoes in the bacon grease and season them. Also add any extras you want like green peppers, onions, or any other veggies you might like. Once they’re pretty cooked through, crumble the bacon over it, add scrambled eggs, and melt the cheese over it. It’s delicious!

  31. Now I know what to do with my breakfast sausage I’m thawing out!

    Any ideas for ground pork ?

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  34. followed recipe exactly for portions but it seemed VERY thick for a casserole to cook through the middle so I split it into 2 casserole dishes and it came out super yummy. would definitely make this again, thanks!

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  37. I am definitely going to give this a try and I will let you know, but this bunch loves things like this so it will no doubt be a hit. THANKS

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  39. Can I make this with ground beef?

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  41. Can you freeze the leftovers and if so, what is the best way to reheat them? The pictures look amazing, but I live alone and I couldn’t eat all of that if I ate it three meals a day!

    Thank you..

    • You can definitely freeze the leftovers. I would reheat them in the oven, if you want the potatoes to be crispy. But otherwise, the microwave works too. :)

  42. This looks delicious! You’d said you could make it the night before and bake in the morning–do you think you could make it two whole days in advance and have it still turn out ok, or would it get soggy sitting in the fridge for that long? I’m taking this along on a weekend trip and would love to have nothing to do except stick it in the oven on Sunday morning.

    • Gretchen,I was wondering the same thing! I’m thinking it will be fine but the cooking time covered in foil will just have to be longer. I’m also going to add rotel tomatoes and green chilies to mine. Good luck!

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  45. Has anyone tried preparing this as a freezer meal?   Where did you STOP and freeze it or did you prepared the entire casserole and then freeze?  Did it work well?

  46. I had this recipe pop up on my ziplist, and after reading your comnent about your mom living in Wichita I was like OMG! How fun is this someone from Wichita with a food blog. Did you attend Wichita East High class of 87? Thelma 

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  49. What size baking dish do you recommend? Is  a 9×13 dish about right?  Eager to make this for a brunch this weekend. Thank you!! :)