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Home » Recipes

Breakfast Casserole Bites

22 Reviews / 4.7 Average
These Breakfast Casserole Bites are the perfect make-ahead breakfast, especially when you have guests over. You can also freeze them for a quick breakfast on busy mornings.
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These fluffy protein-packed mini breakfast casserole bites are a lifesaver for brunches or breakfast on-the-go! You can make them with or without bread depending on your preference, but either way they make for a quick and nutritious breakfast option.

Mini breakfast casserole to freeze recipe in small muffin cups on a plate

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Mini Freezable Breakfast Casserole Bites Recipe

Looking for a freezable breakfast casserole? This recipe could go two ways. You could make this dish the next time you have guests over for brunch, especially since the mixture could be made and put into the muffin cups in advance. Or you could bake a big double batch this weekend and freeze them for those busy weekday mornings.

Try these Easy Breakfast Ideas too!

How to Make These Freezable Breakfast Casserole Bites

If you decide to freeze them with the foil muffin holders still on then you’ll be able to pop them right into the toaster oven. Or if you take the muffin holders off before freezing they'll be microwave-ready. Either way, I do recommend taking them out of the freezer the night before so they can thaw out overnight.

Whatever you decide to do with this recipe though I don’t think you’ll be disappointed…it’s hard to go wrong with breakfast food!

How to Make Mini Eggs Casserole Without Bread 

If for whatever reason you’d like to leave the bread out of this recipe, no problem! It’s easy to make these eggs casserole without bread by simply substituting with something like shredded hash browns, or even spinach mixed in with the eggs for added protein and greens. 

If you plan on omitting the bread, simply skip step #3 in the recipe below. You might also have better luck with a greased silicone mini cupcake tray if you're not putting the bread in the bottom.

If you plan on incorporating vegetables like spinach, asparagus or peppers into the recipe, be sure to gently steam or sauté them ahead of time to remove a bit of the moisture so the egg bites don’t crumble!

Breakfast Casserole Bites

These Breakfast Casserole Bites are the perfect make-ahead breakfast, especially when you have guests over. You can also freeze them for a quick breakfast on busy mornings.
22 Reviews / 4.7 Average
Prep Time: 15 minutes mins
Cook Time: 15 minutes mins
Total Time: 30 minutes mins
Course: Breakfast
Cuisine: American
Method: Freezer Friendly
Diet: Peanut/Tree Nut-Free
Print Recipe
Servings: 12 bites
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Ingredients
  

  • 2 pieces whole-wheat bread
  • 8 eggs
  • ½ cup milk (any kind will work, but we use whole milk in our house)
  • salt (to taste)
  • pepper (to taste)
  • 4 oz cheese (shredded (sharp cheddar recommended))
  • ½ lb sausage (cooked and crumbled (or bacon))

Instructions
 

  • Preheat the oven to 350 degrees F.
  • Distribute 12 foil muffin holders into a muffin baking pan. If the foil holders are lined with paper either don't use those or make sure they are on the outside as shown in the picture.
  • Cut the sandwich bread into half inch squares and evenly distribute them on the bottom of the muffin cups (as pictured).
  • In a mixing bowl or large measuring cup that has a pour spout thoroughly whisk together the eggs and milk. Add a few dashes of salt and pepper if desired.
  • Evenly distribute the egg mixture into each muffin cup. It’s okay if the bread pieces float to the top.
  • Sprinkle an equal amount of both the grated cheese and the crumbled bacon (or sausage) into each muffin cup on top of the egg mixture.
  • Bake at 350 for 15 minutes or until eggs are set.
    Enjoy or freeze (in-between sheets of wax paper) for another day!

Notes

Also need: Foil muffin cup liners for baking
We recommend organic ingredients when feasible.
Nutrition Facts
Nutrition Facts
Breakfast Casserole Bites
Amount Per Serving
Calories 144 Calories from Fat 99
% Daily Value*
Fat 11g17%
Saturated Fat 5g31%
Cholesterol 134mg45%
Sodium 226mg10%
Potassium 110mg3%
Carbohydrates 1g0%
Sugar 1g1%
Protein 9g18%
Vitamin A 285IU6%
Vitamin C 0.2mg0%
Calcium 98mg10%
Iron 0.8mg4%
* Percent Daily Values are based on a 2000 calorie diet.
Want weekly REAL FOOD meal plans made for you?→ Check It Out

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  • Huevos Rancheros Casserole Recipe
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71.2K shares

About Lisa Leake

Lisa is a wife, mother, foodie, blogger, and #1 New York Times Best-selling author who is on a mission to cut out processed food.

Comments

  1. cythia says

    November 02, 2016 at 9:36 pm

    are these in regular muffin pans or mini? I want to do mini do to the amount of ppl we are having.

    Reply
    • Amy Taylor (comment moderator) says

      November 05, 2016 at 4:11 pm

      Hi. You can do minis but would need to reduce the cooking time.

      Reply
  2. Jess says

    October 11, 2016 at 1:17 pm

    I love these! But just curious, all my mix ins end up on the top....it's there any way to keep them mixed throughout?

    Reply
  3. Bri says

    August 31, 2016 at 10:54 pm

    5 stars
    I stumbled across your website and I am so thankful I did! Not only
    Do you have wonderful advice for packing school lunches; I've tried them and my kids are coming home with empty lunch boxes! #momonamission. I tried this recipe for breakfast and my daughter who dislikes scrambled eggs enjoys this dish. I was skeptical about adding the bread assuming it might get soggy, but mixed with the eggs/cheese it gives it a nice flavor and didn't lose form. Wonderful recipe!

    Reply
  4. Catherine Z. says

    April 20, 2016 at 12:35 pm

    Could silicone cupcake liners be used instead of foil lined? I have a hard time finding non-paper lined foil cupcake liners in my area. They all seem to have paper on the inside.

    Reply
    • Amy Taylor (comment moderator) says

      April 25, 2016 at 8:00 am

      Sure, silicone will work.

      Reply
  5. Eileen says

    April 18, 2016 at 9:36 am

    I make this in a 9 x 13 baking dish normally, but am thinking of making the muffins for a track meet this weekend. Do you spray the muffin holders/disposable cups with Pam or anything to keep it from sticking to it???

    Reply
    • Amy Taylor (comment moderator) says

      April 18, 2016 at 4:11 pm

      Hi there. I use a Misto spray bottle with avocado oil. We avoid commercial sprays because they are full of not so great ingredients (propellants).

      Reply
  6. LAB says

    March 19, 2016 at 12:23 pm

    Could I use a little cooked shredded hash browns in the bottom instead of the bread.?

    Reply
    • Amy Taylor (comment moderator) says

      March 21, 2016 at 8:34 am

      Yes! :)

      Reply
  7. Onexda says

    February 22, 2016 at 1:48 pm

    Could I make this in a baking dish?

    Reply
    • Amy Taylor (comment moderator) says

      February 24, 2016 at 10:09 am

      Yes, but you will likely need to adjust the cooking time.

      Reply
      • Roxanne M Johnson says

        March 09, 2019 at 9:30 am

        Can these be prepared the night before and baked the next morning?

      • 100 Days Admin says

        March 09, 2019 at 12:09 pm

        I would suggest making them the night before, placing them in the fridge, and then reheating them the next morning. They will turn out just as good. - Nicole

  8. Nic C says

    December 12, 2015 at 9:05 pm

    4 stars
    I've made these a number of times but recently they have started to sink in the middle, I can't think what I'm doing differently?

    Reply
    • Amy Taylor (comment moderator) says

      December 18, 2015 at 10:45 am

      Hi there. Mine sink sometimes, too. I started adding a little baking powder to keep them fluffy. :)

      Reply
      • Emma says

        February 01, 2016 at 9:34 pm

        Amy-how much baking powder would you use? Thanks! Emma

      • Amy Taylor (comment moderator) says

        February 03, 2016 at 10:01 am

        About a 1/2 tsp. :)

  9. jashon says

    December 10, 2015 at 2:57 pm

    4 stars
    Is Very Good Food Thank you

    Reply
  10. Amy D. says

    November 22, 2015 at 9:08 am

    Hello, how long/how do you heat in a toaster oven after freezing?

    Reply
    • Amy Taylor (comment moderator) says

      November 24, 2015 at 9:27 am

      Hello. I defrost them overnight and heat them until warmed through which is between 5 and 7 minutes in my toaster oven.

      Reply
  11. Alina says

    November 16, 2015 at 1:36 am

    Are these full size muffin pans and liners or the mini-size? I want to make these for a brunch and look forward to serving them warm. Thanks for the input. :-)

    Reply
    • Amy Taylor (comment moderator) says

      November 17, 2015 at 5:28 pm

      Hi Alina. They are standard size.

      Reply
  12. Amy says

    September 06, 2015 at 11:09 am

    Are FOIL muffin liners preferred?
    Paper ones alright to use?

    Reply
    • Amy Taylor (comment moderator) says

      September 09, 2015 at 9:49 am

      Hi. Paper will work, too, but they may stick a bit more.

      Reply
  13. amanda says

    August 03, 2015 at 3:27 pm

    5 stars
    These were so easy to make and very yummy!!!

    Reply
  14. Audrey says

    June 04, 2015 at 1:17 pm

    5 stars
    My kids and I loved this recipe! And it makes wonderful after school snacks.

    Reply
  15. Amanda77kr says

    May 28, 2015 at 11:53 am

    5 stars
    Made these yesterday and they were delicious! I don't like meat so made half without bacon, and the casseroles fell after cooling off. Still tasted fine, they were just shrunken. Definitely gonna repeat and use a Kickstarter patty in mine next time (it's a locally produced breakfast patty made with black beans and spices).

    Reply
  16. Kathy says

    April 24, 2015 at 8:52 pm

    silicone muffin pan, no liners
    no bread
    add veggies like asparagus, tomato, onion,jalepeno or any other choppable thing
    saute veggies first
    let cool, pop them out, bag them up
    easy easy

    Reply
  17. Carrie says

    April 16, 2015 at 9:09 am

    I used the silicone cupcake liners and they worked beautifully! No spraying necessary, and they popped right out .

    Reply
  18. Jim says

    March 19, 2015 at 4:26 am

    I love this recipe . have used it for breakfast.. brunch and for dinner .. easy to make . its fun when you have house guest do it ahead of time . serve with fresh fruit and such . you got breakfast in no time and easy clean up

    Reply
  19. Jane says

    March 15, 2015 at 2:58 am

    3 stars
    I would love to see nutrition info for the recipes

    Reply
    • Ciera says

      September 29, 2015 at 4:58 pm

      Agreed!

      Reply
      • Ciera says

        September 29, 2015 at 5:02 pm

        And serving size, too!

    • 100 Days Admin says

      September 04, 2019 at 12:57 pm

      We now provide that information on the recipe. :) - Nicole

      Reply
  20. Nora says

    March 07, 2015 at 9:45 am

    5 stars
    Made these yesterday with spinach, onions, and pepper jack cheese. They were yummy!

    Reply
    • sharon says

      March 12, 2015 at 8:32 am

      Did you saute the veggies first? And did you mix the veggies with egg mixture or layered veggies ontop?

      Reply
      • andrea bennett says

        August 03, 2015 at 6:56 pm

        5 stars
        I do it both ways. Ive used raw veggies and sauteed. Just depends on what flavoring you prefer. Definitely cook the meat first.

    • denise rogers says

      November 21, 2015 at 10:03 pm

      Did you use fresh spinach and sautee or cooked spinach?

      Reply
  21. Kelly says

    March 03, 2015 at 8:28 pm

    I just made these with the foil liners and they stuck to the liner like crazy!!! What am I doing wrong?!?!?!?

    Reply
    • Amy Taylor (comment moderator) says

      March 06, 2015 at 9:56 am

      Hi Kelly. I sometimes do a light mist of coconut or avocado oil which helps.

      Reply
    • Carrie says

      April 16, 2015 at 9:09 am

      I used the silicone cupcake liners and they worked beautifully! No spraying necessary, and they popped right out .

      Reply
  22. Ginette moore says

    February 19, 2015 at 8:22 am

    once frozen, how are they cooked? Toaster oven and microwave instructions would be great. Thank you!

    Reply
    • Ginette moore says

      February 19, 2015 at 8:29 am

      I found the answer to my question in older comments. Thank you though!

      Reply
  23. Milena says

    February 11, 2015 at 11:55 am

    Yummmm!!! How long you can store it in the refrigerator?

    Reply
    • Amy Taylor (comment moderator) says

      February 16, 2015 at 10:13 am

      Hello Milena. I'd say 3 days. I would freeze them if you wish to store them for longer.

      Reply
  24. Holly says

    February 10, 2015 at 11:34 pm

    5 stars
    One of my favorite breakfasts! Perfect for bringing to a pot luck brunch. I've never made with bread, but I like to use either hash browns or crescent rolls as a crust. Makes a great breakfast sandwich on a toasted bagel or english muffin with some spinach and bacon.

    Reply
  25. Terrie says

    February 01, 2015 at 7:41 pm

    They are delicious and easy, but mine fell and ar.e really hard to get out of the paper lining

    Reply
  26. Deana says

    January 20, 2015 at 7:34 am

    My daughter and I made these for a quick breakfast while my husband was out of town. We used breakfast turkey sausage. It did need a dab of ketchup but they were really good!! And my daughter liked them a lot!!

    Reply
  27. Ann Marks says

    January 11, 2015 at 11:44 am

    These are awesome! I added some red pepper and mushrooms. Turned out great. I am at 6500 ft and temp and cooking time worked for me. Thanks so much for the idea.

    Reply
  28. Angela @ Food Angel says

    January 09, 2015 at 3:06 pm

    I make something similar, but have never heard of adding bread- interesting! I usually make them without any grains or anything, but occasionally add a crust, similar to quiche. I love mine with lots of veggies! I actually packed a bunch of these along with our toaster oven for our last trip. Heated them up in our hotel room with some muffins and made for a great breakfast!

    Reply
  29. Elaine Maier says

    January 09, 2015 at 11:05 am

    5 stars
    My husband loves these. We have different work schedules and he doesn't like to cook so I freeze them and he can have them when he is ready for breakfast.

    Reply
  30. Renee says

    January 08, 2015 at 9:33 pm

    Anyone try it dairy free. My kids don't like the imitation cheese.

    Reply
    • Karen says

      January 10, 2015 at 4:58 pm

      i used to make these when I was nursing my MSPI kiddos and I just left the cheese out and used almond or rice milk and they were good. I actually forgot for awhile after I could eat cheese again to add it.

      Reply
  31. Alice says

    January 04, 2015 at 11:06 pm

    If you want to create less waste you can easily oil the pan and bake without the liners. Mine came out easily and I did a little soak of the tin after.

    Reply
    • Ann says

      January 07, 2015 at 10:28 am

      Great idea! It's nice to have the foil liners if you want to freeze some, keeps the portions together.

      Reply
  32. Ashley says

    November 26, 2014 at 8:43 pm

    These sound delicious! We plan to make them on a Thanksgiving morning, but do not have the foil muffin cups. Would silicone ones work for these?

    Thanks for sharing the recipe!!

    Reply
    • Amy Taylor (comment moderator) says

      December 01, 2014 at 11:17 am

      Hi Ashley. Sorry that we often can't answer in real time. How did they turn out?

      Reply
    • Susie henslee says

      January 23, 2015 at 8:47 pm

      I just made them in silicone cups and they are perfect! I baked them for 3 minutes longer. They fell right out of the cups. Great recipe, thank you!

      Reply
  33. Kim says

    November 26, 2014 at 8:22 am

    Love these!! They took a lot longer to bake than the recipe called for....30 minutes at 350 for me (and I'm not high altitude).

    Reply
  34. Tebecca says

    November 24, 2014 at 11:35 pm

    Why foil liners and not paper ones?

    Reply
    • AnnieM says

      November 26, 2014 at 8:02 am

      I tried it with the paper ones and they did not peel off nicely....definitely using foil next time.

      Reply
    • Amy Taylor (comment moderator) says

      November 28, 2014 at 8:37 am

      Hi there. You can use paper ones if you like but they tend to stick a little more. ~Amy

      Reply
    • Carrie says

      April 16, 2015 at 9:11 am

      Forgo paper or foil all together and use silicone. I used the silicone cupcake liners and they worked beautifully! No spraying necessary, and they popped right out .

      Reply
  35. Debbie says

    November 24, 2014 at 12:46 pm

    This recipe could be tweaked in many ways I would think.
    Wouldn't tortilla's be ok to use instead of bread? Adding rotel or picante'or any flavoring you desire?
    Great idea....will have to try for those busy mornings like Christmas morning or Easter .....quick and ready to go!
    Thank you!

    Reply
    • Amy Taylor (comment moderator) says

      November 28, 2014 at 8:34 am

      Hi Debbie. It is a flexible recipe. We've not tried to use tortillas with it. Let us know if you do. :)

      Reply
  36. maria says

    October 16, 2014 at 4:04 am

    i use spagethi in place of bread and it is delich

    Reply
  37. Morgan says

    October 09, 2014 at 6:21 pm

    5 stars
    Love it! I didn't have whole wheat bread on hand (btw, what kind do you prefer if it's store bought?) so I used some left over quinoa. Fabulous. Another great recipe!

    Reply
  38. Jesiqua says

    September 13, 2014 at 2:30 pm

    I just made these and they are delicious! I will be making another big batch to freeze. I eat breakfast at work in the morning, so these are perfect!

    Reply
  39. Alicia Silva says

    September 09, 2014 at 6:53 pm

    What are the instructions for heating the mini casseroles after they have been frozen?

    Reply
    • Assistant to 100 Days (Amy) says

      September 14, 2014 at 7:51 pm

      Hello Alicia. I defrost in the fridge overnight, cover loosely with foil and reheat at 350 until heated through, about 10 minutes. ~Amy

      Reply
  40. Rebeca says

    September 07, 2014 at 8:03 am

    I made these with paper liners and they deflated. They are pretty small. Is this why?

    Reply
    • Assistant to 100 Days (Amy) says

      September 11, 2014 at 7:51 am

      Hi Rebecca. You know, I'm not sure about the paper contributing to the shrinking. Mine always shrink a bit, too, even in silicone. ~Amy

      Reply
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