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    Home > Recipes > Breakfast

    Make Ahead Ham and Cheese Breakfast Casserole

    May 4, 2014 by bobbiskozykitchen Leave a Comment

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    Overhead view of a make ahead ham and cheese breakfast casserole in a white oval baking dish on a blue, green, and yellow plaid placemat.

    This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases. Doing so allows me to create more unique content and recipes for you.

    This low carb Make-Ahead Ham and Cheese Breakfast Casserole is a go-to when we need a hearty hot breakfast. With layers of keto bread cubes, eggs, ham, and cheese, this casserole is a crowd-pleaser no matter how you eat!

    Overhead view of a Make-Ahead Ham and Cheese Breakfast Casserole in a white casserole dish on a blue and yellow plaid tablecloth.

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    Aaahhhh make-ahead breakfast casseroles, my new best friend!

    Hey, they're not just for Christmas any more guys! Or maybe that was just me. For some reason the only time I whipped out these tasty casseroles was over Christmas/New Year. I have no idea why.

    Possibly it is because that is when I was so busy shopping, wrapping, shuttling kids around, partying, and so many other things, breakfast was something I didn't want to think about. I just wanted to be able to heat and serve.

    So I seriously have not made one of these casseroles in years!

    Then Kevin started working nights (oh don't even get me started on how much that fact really drives me crazy) and our sleeping and meal schedule just kind of went out the window. We have been struggling to A) find the right rhythm so we can spend time together, but he gets enough sleep for work, and  B) figure out what meals he wants and when.

    Because his schedule is flipped from mine, he is getting home from work when I am getting up. My body is telling me it is time for oatmeal or eggs and his body is ready for a nice hearty meal. 

    Enter the make-ahead casserole.

    It is not only easy for me, I  just throw it together as I am making dinner so no extra time in the kitchen for me really. But it has that hearty comfort meal kind of feel that his body is craving. He can eat as much as he wants, and I can eat as little.   

    I can wake up, grab a cup of coffee, spend some time listening to how his day eerrrr night went, and even sneak in some couch cuddle time.

    All while this glorious casserole is baking away in the oven.

    DING breakfast errr dinner ummm brinner is done.

    Mmmmmm, and I am still in my jammies working on my second cup of coffee.

    PERFECT!!

    Now if I could only figure out how to get the kitchen clean while I am relaxing on the sofa!

    In This Post
    • 🥘Ingredients
    • 🔪Instructions
    • Substitutions
    • 🍽Equipment
    • Storage
    • 💭Top tip
    • FAQ about Make-Ahead Ham and Cheese Breakfast Casserole
    • More Keto & Low Carb Breakfast Recipes
    • Make-Ahead Ham and Cheese Breakfast Casserole

    🥘Ingredients

    These are the ingredients necessary to make Make-Ahead Ham and Cheese Breakfast Casserole.

    Overhead view of make ahead ham and cheese breakfast casserole in a white casserole dish with one serving on a white plate.
    • unsalted butter
    • day-old keto bread
    • olive oil
    • onion
    • pink salt
    • ham
    • eggs
    • heavy cream
    • mustard powder
    • cracked black pepper
    • colby-jack cheese

    Detailed measurements and instructions can be found on the printable recipe card at the bottom of the page.

    🔪Instructions

    This is a basic breakdown of the steps involved in making Make-Ahead Ham and Cheese Breakfast Casserole. You will find the full directions in the recipe card at the bottom of the post.

    1. Grease a dish with butter, and spread the bread cubes in the bottom of the dish.
    2. Heat the olive oil in a skillet.
    3. Add the onion and saute.
    4. Whisk together the eggs, heavy cream, mustard powder, salt, and pepper.
    5. Spread the ham over the bread cubes, then the onion.
    6. Pour the egg mixture over the onion and top with the shredded cheese.
    7. Cover and refrigerate overnight.
    8. Preheat the oven to 350°F and take the casserole out of the fridge while the oven is preheating.
    9. Bake, uncovered, for 35 to 50 minutes.

    Substitutions

    • Bread - if you are not low carb you can use regular bread or gluten-free bread.
    • Dairy - use plant-based milk and cheese to make this dairy-free.
    • Vegetarian - omit the ham or use a plant-based meat product to make this vegetarian.

    🍽Equipment

    This is the equipment you will need to make Make-Ahead Ham and Cheese Breakfast Casserole:

    • 2-quart baking dish
    • large skillet
    • silicone spoon
    • large mixing bowl
    • whisk

    Storage

    Store any leftover Make-Ahead Ham and Cheese Breakfast Casserole in an airtight container in the refrigerator for up to 3-4 days.

    This breakfast casserole can be frozen for up to 3 months.

    💭Top tip

    If you don't want to wait overnight to make this Make-Ahead Ham and Cheese Breakfast Casserole please cover the casserole and allow it to set for at least 1 hour.

    overhead view of Make-Ahead Ham and Cheese Breakfast Casserole in a white casserole dish.

    FAQ about Make-Ahead Ham and Cheese Breakfast Casserole

    How long can this Make-Ahead Ham and Cheese Breakfast Casserole sit in the fridge before baking?

    You can allow this breakfast casserole to sit in the refrigerator for up to 24 hours before baking it.

    How do I keep this Make-Ahead Ham and Cheese Breakfast Casserole from drying out while baking?

    I have never had an issue with this breakfast casserole drying out but, if you want, you can cover this casserole with foil for the first half of thebaking time to hold in moisture.

    How should I store the leftover Make Ahead Ham and Cheese Breakfast Casserole?

    Cover any leftover casserole tightly with foil, or transfer to an airtight storage container, and place in the refrigerator for up to 4 days. Reheat in the oven or microwave. 
    Freezer: Transfer the leftover breakfast casserole to an airtight freezer-safe container. You can freeze it for up to 3 months.

    More Keto & Low Carb Breakfast Recipes

    Looking for other recipes like this? Try these:

    • Keto Blueberry French Toast Bake
    • Low Carb Eggs Benedict Casserole
    • Bacon Leek & Artichoke Bread Pudding
    • Keto Breakfast Casserole
    • Keto Zucchini Breakfast Casserole
    overhead view of a make ahead ham and cheese breakfast casserole in a white casserole dish with a serving removed.

    Make-Ahead Ham and Cheese Breakfast Casserole

    This low carb Make-Ahead Ham and Cheese Breakfast Casserole is a go-to when we need a hearty hot breakfast. With layers of keto bread cubes, eggs, ham, and cheese, this casserole is a crowd-pleaser no matter how you eat!
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    Prep Time 15 minutes mins
    Cook Time 50 minutes mins
    Inactive 1 hour hr
    Course Breakfast
    Cuisine American
    Servings 6
    Calories 518 kcal

    Equipment

    • 2 quart casserole dish
    • large skillet
    • Measuring cups and spoons set
    • Large Mixing Bowl
    • Whisk

    Ingredients
      

    • 1 tbsp unsalted butter
    • 8 slices (4 cups loosly packed) day old keto bread cut into 1/2-inch cubes
    • 1 tbsp avocado or olive oil
    • 1 small onion thinly sliced
    • pink salt
    • 1/2 lb ham steak (or leftover ham) diced
    • 8 eggs
    • 1 cup heavy cream
    • 1 tsp mustard powder
    • cracked black pepper
    • 6 ounces Colby Jack cheese (1 1/2 cup) shredded
    Get Recipe Ingredients

    Instructions
     

    • Grease a 2 quart baking dish with butter, spread the bread cubes in the bottom of the dish.
    • Heat olive oil in a large skillet over medium heat. Add the onion and saute until it begins to caramelize - about 15 minutes.
    • In a large mixing bowl, whisk together the eggs, heavy cream, mustard powder, salt, and pepper.
    • Spread the ham over the bread cubes, then spread the onion on top.
    • Pour the egg mixture over the onion and top with the shredded cheese.
    • Cover and refrigerate for at least one hour, to overnight.
    • When you are ready to make the casserole, preheat the oven to 350°F and take the casserole out of the fridge while the oven is preheating. Bake, uncovered, for 35 to 50 minutes, or until the edges are bubbling and the top begins to brown. *See Notes

    Notes

    The baking time will depend on the dish you use. Check the middle with a knife and if it comes out clean the casserole is done.
    Cover the casserole with foil if the top is getting too brown during the cooking time.

    Disclaimer

    Most of my recipes are low-carb (or keto) and gluten-free, but some are not. Please verify that a recipe fits your needs before using it. Recommended and linked products are not guaranteed to be gluten-free. Recipes may contain errors, so please use your common sense when following them. Nutritional information is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Erythritol carbs will not be included as it has a glycemic index of 0 (meaning it does not spike blood sugar) and it’s not metabolized. Net carbs are the total carbs minus fiber.

    Nutrition

    Calories: 518kcalCarbohydrates: 7gProtein: 34gFat: 39gSaturated Fat: 20gPolyunsaturated Fat: 3gMonounsaturated Fat: 13gTrans Fat: 0.2gCholesterol: 344mgSodium: 935mgPotassium: 323mgFiber: 2gSugar: 2gVitamin A: 1332IUVitamin C: 13mgCalcium: 279mgIron: 3mg
    Keyword 10 ingredients or less, american, breakfast, brunch, casserole, easy, easy recipes, freezer friendly, ham, Holiday, Keto, keto recipes, Low Carb, low carb bread, main dish, make ahead
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    Reader Interactions

    Comments

    1. Nagi@RecipeTinEats

      April 03, 2015 at 7:15 pm

      Yes yes YES! You know what, I actually still have bread leftover from the breakfast cake I made AND I have ham too!! I'm going to make a mini version of this just for myself!

      Reply
    2. Bobbi | Bobbi's Kozy Kitchen

      April 04, 2015 at 8:59 am

      Awesome! I love it when that happens. I had never thought of making a mini version. You will have to tell me how it comes out. Kevin is forever nagging me about "making enough for an army" but I tell him that after feeding my kids, plus most of the football team for years, that is just how I roll!!

      Reply
    3. Nippon

      September 09, 2021 at 12:10 pm

      Totally enjoyable one!! Thanks a lot!

      Reply

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    Welcome! It is so nice to meet you. My name is Bobbi. I am the Mom of 2 great kids, and Nana to 3 amazing littles. I share my home in the beautiful PNW with my husband Kevin, and 2 furbabies, a Pyrador named Sia, and a Boxer/GSD Mix named Hawk..

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