Overnight Breakfast Casserole with Bacon

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This easy Overnight Breakfast Casserole is quick to prep in the evening and then baked up fresh and delicious in the morning!  Cheese, bacon, bell peppers and green onions are layered with bread and soaked in a seasoned egg mixture.  This is the perfect meal to serve on a holiday morning or for guests.

a slice of Overnight Breakfast Casserole on a white plate with the casserole in the background

A Breakfast Casserole Known By Many Names

I have eaten this casserole on Christmas morning for as long as I can remember.  My mom always made it when I was young and I looked forward to this casserole every year at Christmas Breakfast!

We have always called it wife saver but it’s also known as a strata which is basically bread and eggs with yummy add ins.

It’s great because it’s really easy to make and it’s made the night before (or at least 3-4 hours ahead of time). In the morning just put it in the oven to cook while your family is doing other fun activities (like opening stockings or egg hunting!) or even if you have a house full of guests to feed!

Overnight Breakfast Casserole in a casserole dish

Cutting or Leaving the Crust

I find a lot of breakfast items are on the sweeter side like pancakes and waffles but I’m a savory girl so this is my favorite. Since we have a large family, I usually make this and a sweeter Overnight Apple Pie French Toast for my kids (or sometimes Blueberry Cream Cheese French Toast).

I think every family seems to have a slightly different version of this meal.

My mother in law adds a crunchy topping to hers (and uses brown bread) while my sister cuts off the crusts and leaves her slices whole. I always leave the crusts and cube my bread since I really can’t tell the difference and let’s face it, less work is better.

Overnight Christmas Breakfast Casserole on Plate

Casserole Preparation & Add-ins

You can certainly add in whatever you like, ham or sausage are great in this as well!  We’ve added everything from ham and asparagus to artichokes and mushrooms (pre-cook the mushrooms so they don’t get watery). Of all the versions I’ve had, this one is definitely my favorite.

It’s so easy to put together and a great way to feed breakfast to a crowd so I often make it when we have guests over!  If you’re the kind of person that likes to eat breakfast for dinner, this is a super simple prep ahead meal and if you are lucky enough to have any leftovers, this is great reheated too!

Note:  It’s best to take the casserole out of the fridge first thing and let it sit at room temperature for about 30 minutes.  If you are cooking two pans, baking time will increase by about 20-30 minutes.

More Breakfast Recipes You’ll Love

Overnight Christmas Breakfast Casserole on Plate
5 from 39 votes
Review Recipe

Overnight Breakfast Casserole with Bacon

Prep Time 20 minutes
Cook Time 55 minutes
Total Time 1 hour 15 minutes
Servings 12 servings
Delicious Overnight Breakfast Casserole with bacon, green onions, bell peppers, and cheese.

Ingredients

  • 12 slices egg bread or any type of bread will work, cubed
  • 12 slices crispy bacon crumbled (or 1 cup diced ham)
  • 3 green onions sliced
  • ½ red bell pepper finely diced
  • 4 cups grated cheese cheddar works well
  • 6 eggs
  • 3 cups milk
  • ½ teaspoon each dry mustard salt & black pepper

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Instructions

  • Cube bread and leave out overnight or place in the oven at 300°F for about 10 minutes to dry slightly. (Do not brown or toast it).
  • Combine eggs, milk, & seasonings.
  • Layer ½ of the cubes in a greased 9×13 pan. Top with ½ of the bacon, green onions, red peppers and cheese. Repeat layers one more time.
  • Pour egg mixture over top. Cover and refrigerate overnight (or at least 3 hours).
  • Remove from fridge and let sit on the counter while preheating the oven to 350°F. Bake covered with foil 45-55 minutes or until a knife inserted in the center comes out clean. (If you are baking 2 pans increase cooking time to 60-80 minutes).

Nutrition Information

Calories: 377, Carbohydrates: 18g, Protein: 19g, Fat: 24g, Saturated Fat: 12g, Cholesterol: 138mg, Sodium: 582mg, Potassium: 269mg, Fiber: 1g, Sugar: 5g, Vitamin A: 805IU, Vitamin C: 6.9mg, Calcium: 400mg, Iron: 1.8mg

(Nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.)

Course Breakfast
Cuisine American

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Breakfast Casserole on a plate with writing
Breakfast Casserole on a plate and in a dish with a title
About the author

Holly

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Holly is a wine and cheese lover, recipe creator, shopping enthusiast and self appointed foodie. Her greatest passion is creating in the kitchen and making deliciously comforting recipes for the everyday home cook!

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Comments

  1. You have so many great recipes that I have tried. Curious about your thoughts on this recipe in a slow cooker overnight?

    1. Thank you! I haven’t cooked this particular recipe in the slow cooker but I love that idea! Please let me know how it works out for you Megan!

  2. This is the FIRST breakfast casserole I have ever made that came out tasting delicious from top to bottom. Normally they all could use a little salt, pepper, etc…or they are too “eggy” or to “bready”. This one is perfection as far as flavor and seasoning go, and the eggs and bread are in a great ratio. I had to bake mine a good 1hr+, but I also used a shredded loaf of french bread (all I had on hand), which might have affected the bake time. Thanks for the great recipe! This will be going on my standard list of breakfast go-tos!5 stars

    1. Hi Lorraine, To view the full recipe you can scroll down to the bottom of the page or select the jump to recipe button at the top!

  3. Would there be any issue (or risk) in assembling the entire casserole the night before and then cooking in the morning?

  4. I made this at my sister and brother-in-law’s house for Christmas and used what they had, bacon and broccolini and put fresh (aging) sage in with the bread. They were blown away. I’m trying it now with kale and shallots. So far it smells delicious!5 stars

    1. It’s so great to mix it up! Thank you for sharing your ideas and I’m happy to hear everyone loves it so much. It’s truly one of our favorite things to eat. Ever!

  5. Hi! This is awesome! I see in a comment below that this recipe can be frozen, but how would I reheat it? Microwave frozen for 1-2 minutes? Or would that ruin it? Thank you!5 stars

  6. Delicious! I served this for Christmas brunch. I used regular white bread, kept the crust on and substituted ham for the bacon. I also included the whole red pepper. It was such a hit, my mother-in-law asked for the recipe! Thanks, Holly!5 stars

    1. I have only tried the recipe as written, but if you find a great low carb alternative I would love to hear it!

  7. Yummy!! Looks great!!! IM gonna make this plus add mushrooms. I wonder what Hollandaise sauce would taste like on top?

  8. This was quite amazing. Everybody in my family loved it. I was really surprised how the bread at the bottom formed a nice “crust”.5 stars

  9. Yummy! this is the perfect weekend breakfast! I especially like casserole breakfast recipes for weekends that we have company… love this.

  10. These photos are amazing. I don’t do meat or dairy but my sister is always looking for new recipes to try on Christmas. I’m going to forward this to her asap. Thanks for sharing.

    1. Thank you Deborah! If you do eat eggs, leaving out the meat and using a non-diary milk would be great too, this recipe is very forgiving!