Overnight Egg Casserole

Delicious, cheesy Egg Casserole, can be made the night before. Put in the oven in the morning and enjoy this hearty breakfast!
Overnight Egg Casserole, assemble this hearty breakfast the night before, in the morning just bake in oven! Filling can be customized too!

Click HERE to save recipe to pinterest!

I love brunch. Well, I love food, but I especially love brunch food. You can eat things like overnight egg casseroles, but you can also eat french toast and cupcakes and ham and roast beef. Pretty much anything goes when it falls in the brunch category.

Today’s recipe is one of my favorite egg casserole recipes. Depending on the meat you have available (I have used ham, bacon and sausage…this one is made with sausage), you can change up the flavor. You can also make it vegetarian and only use your favorite vegetables (broccoli, onion, peppers, spinach and tomato). I like to use a little combo of both a meat and a vegetable. Today I used pork sausage and spinach. Yum.

How to make this Overnight Egg Casserole recipe:

  • First decide if you will be using meat, veggies, or both! If using meat, make sure it is precooked. This is a great use for leftover ham during the holidays!
  • Line the bottom of your casserole dish with hashbrown patties. If you can’t find them in the freezer section, you can substitute tator tots of the bottom layer!
  • Next cover the hashbrowns with your meat, veggies and cheese!
  • You’ll want to mix up the eggs with the remaining ingredients and pour this over your meat and cheese. Cover with foil and place in the refrigerator overnight.
  • In the morning, pop the covered dish into the oven. It’s a hearty meal that takes nearly two hours to bake, so plan accordingly! If you’d like to eat this for a “breakfast for dinner” make it in the morning, refrigerate all day, then put it in the oven for dinner. ENJOY.

If you love this easy Egg Bake, then you may also enjoy these brunch recipes:

  1. Get your day started with this hearty Sausage and Gravy Breakfast Casserole! Best part? It can be made ahead of time!
  2. This Fireman’s Overnight Breakfast Casserole recipe from Garnish with Lemon is packed with sausage and veggies and topped with a creamy mushroom sauce!
  3. Brunch isn’t complete unless you’ve made a batch of these Perfect Instant Pot Hard Boiled Eggs. They peel so easily, and are perfect for deviled eggs, egg salad, and much more!
  4. Erin from Well Plated has this Everything Bagel Breakfast Casserole. You’ll have to try it for yourself, but it has the cream cheese in it, and it looks amazing!
  5. Serve up a batch of these Greek Omelets for your guests this holiday. Perfect with a side of homemade tzatziki sauce!

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Overnight Egg Casserole, assemble this hearty breakfast the night before, in the morning just bake in oven! Filling can be customized too!

Overnight Egg Casserole recipe:

Yield: serves 8

Egg Casserole

Prep Time 20 minutes
Cook Time 2 hours
Total Time 2 hours 20 minutes

Delicious, cheesy Egg Casserole, can be made the night before. Put in the oven in the morning and enjoy this hearty breakfast!


  • 8 frozen toaster hash browns
  • 2 cup shredded cheddar cheese
  • 1 1/2 lb cooked, diced meat (ham, bacon, sausage)
  • 6 eggs, beaten
  • 2 1/4 cup milk
  • 1 can cream of celery soup
  • 1 tsp yellow mustard
  • 1 tsp kosher salt
  • 1/4 tsp black pepper
  • 8 drops Tabasco sauce
  • may substitute in place of meat: spinach, tomato, mushroom, onion, green peppers, broccoli


  1. Place frozen hash browns in bottom of 13x9 casserole dish. Cover with meat (or veggies) and cheese. Beat milk and eggs, add soup and spices.
  2. Pour over meat/cheese and top with additional cheese if desired.
  3. Cover and refrigerate overnight (or if making for dinner, refrigerate during the day to be cooked later).
  4. Bake covered 1 hour at 325 degrees, uncover and bake an additional 45-60 minutes.
*Recipe previously published April 14, 2011*

Overnight Egg Casserole: the perfect brunch dish!


About Aimee

Aimee is a dessert lover (specifically rice krispie treats), workout enthusiast, self-taught foodie, and recipe creator.

Learn more about Aimee.

Affiliate Disclosure:**There may be affiliate links in this post! By clicking on them, or purchasing recommended items I may receive a small compensation. However, I only recommend products I love! Thank you for supporting Shugary Sweets! See my disclosure policy for more info**

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Posted on March 21, 2018

Comments & Reviews

  1. I really love to eat cheddar cheese and toaster hash browns. So delicious and healthy recipe. Will make it soon.

  2. Thanks for entering my sausage link-along. Please return and vote for your favorite recipe. I will feature the winner with a separate post that includes me preparing the winner’s recipe.

  3. This sounds like it would be delicius with the spinach and sausage. We love breakfast casseroles too (I also just posted one :)) Thanks for sharing yor recipe.

  4. I have to be honest, I have never seen cream of celery soup in a egg casserole before – it intrigues me. Looks delicious too!

  5. @ Carla- let me know if they like it!
    @ Miz Helen- thanks for hosting and stopping by!
    @ Kate- It’s perfect for Easter brunch, enjoy!

  6. Hi Aimee,
    Your Egg Casserole is a great dish for company and just looks delicious. Thank you so much for sharing with Full Plate Thursday and hope to see you next week! I am your newest follower!

  7. I plan on trying this very soon. My husband has a small group of men over for breakfast the last Saturday of the month and I will try it out on them. I can’t thank you enough! :


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