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    Home » Recipes » Gluten-Free Breakfast Ideas

    Published: Feb 23, 2021 · Modified: Aug 19, 2022 by Jen Wooster

    Gluten-Free Breakfast Casserole

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    slice of breakfast casserole on a plate with fruit

    This creamy and delicious gluten-free breakfast casserole is made without bread. It is deceptively simple to make.

    This simple egg bake is perfect for a crowd, this one cooks in well under an hour. Making it perfect for holidays and family gatherings. But it also reheats like a dream, making it an ideal savory meal prep breakfast recipe.

    close up shot of breakfast casserole

    Please read the entire post for tips and tricks to ensure a perfect recipe every time. And don't forget to tag @peelwithzeal on Instagram so we can admire your creation!

    This post may include affiliate links. Please read my disclosure policy.

    Jump to:
    • 🧾Ingredients and Substitutions
    • ⏲️Instructions
    • 🍳Tips and Tricks
    • 🥗More Gluten-Free Breakfast Recipes
    • 📖 Recipe
    • ⭐Reviews

    While this recipe is technically keto, I love it because it isn't keto specific. Keeping the ingredients simple makes this breakfast casserole perfect for holidays, an easy weeknight dinner, or just a casual Sunday brunch. And while it isn't loaded up with potatoes or bacon, like most breakfast dishes, it is still big on flavor.

    🧾Ingredients and Substitutions

    This easy low carb egg bake is dependent on the fats from the ingredients for a perfect texture. I do not recommend substituting non-dairy or low-fat ingredients. To make this recipe you will need:

    • One dozen eggs
    • Shredded Swiss cheese or gruyere cheese, better yet do a 50/50 mix
    • Unsalted butter, about half a stick
    • Whole milk
    • Dry white wine (for real, and don't skip it)
    • Spices- salt, black pepper, and a dash of dry mustard
    • Chives to garnish
    breakfast casserole ingredeitns on a counter

    You may be tempted to add meats and veggies to this keto breakfast casserole. I get it, but I do truly prefer the simple version. It is creamy and rich, like souffle.

    But if you must, here are the additions we recommend adding or avoiding.

    Finely diced onions, peppers, ham, and bacon make good additions. Fully cook your additions before adding to the breakfast casserole.

    Avoid additions that are chunky or high in water content like sausage, broccoli, or tomatoes. They weigh down the casserole and prevent the eggs from achieving their perfect creamy consistency.

    ⏲️Instructions

    While your oven is preheating prepare the casserole dish by greasing it with butter. The key to this breakfast egg bake is to layer the ingredients so it puffs up just the right amount.

    swiss cheese in casserole dish

    The first layer is the cheese. Spread the swiss cheese in the bottom of the casserole dish. Next, you will cut the stick of butter into small chunks. Spread out over the cheese. Whisk together the milk and wine. Pour half the mixture over the cheese and set aside.

    assembling the keto casserole

    Beat together the eggs with salt, pepper, and dry mustard. The eggs should be fully combined and slightly frothy. You can use a whisk or a blender for this step. Pour the remaining milk/wine mixture over eggs.

    eggs being whisked in metal bowl

    Bake until the eggs are slightly puffed and just set, approximately 35 to 40 minutes. Beginning checking at 30 minutes, then every few minutes until the center is just slightly jiggly. Rest for 5 minutes before cutting into squares, garnish with chives.

    Fully baked casserole

    🍳Tips and Tricks

    • Make sure your oven is fully preheated before placing the casserole in the oven.
    • When in doubt, go with a larger pan versus a smaller one. This casserole is meant to be a more elegant thinner breakfast dish. Not an overstuffed casserole (which we love, just not what this recipe was meant to be).
    • Resist the urge to pre-assemble the casserole. To save time in the morning I shred my cheese and store tightly wrapped in the fridge. I crack the eggs into a mason jar and store them in the fridge. In the morning I add the spices. Tightly screw the cap on and give it a good shake to combine.
    • The recipe calls for swiss cheese but my favorite is a 50/50 mix of swiss and gruyere.

    🌡️How to Store Leftover Breakfast Casserole

    There are two methods for storing leftovers. First is allow the breakfast casserole to cool in the pan. Cover tightly and store in the fridge.

    My preferred method though is to allow the casserole to completely cool. Then cut into squares. Store the squares in a Tupperware-style container with a piece of wax paper separating the stacked squares.

    The casserole will keep in the fridge for 3 to 5 days. To reheat pull out a square and microwave on medium power for 4 minutes.

    table set for breakfast with plates of casserole

    🥗More Gluten-Free Breakfast Recipes

    If you enjoyed this egg bake recipe check out some of our other low-carb carb breakfast recipes. And we recommend this list for more truly gluten-free breakfast ideas.

    • Loaf of gluten-free pumpkin bread with 3 slices cut off.
      Gluten-Free Pumpkin Bread
    • stack of pancakes with pumpkin syrup
      Pumpkin Syrup
    • almond flour muffins in tin with bowl of blackberries.
      Almond Flour Blackberry Muffins
    • smoked salmon spinach and sweet potatoes in a bowl
      Egg- Free Smoked Salmon Breakfast Bowls

    If you enjoyed this recipe, please leave us a rating or a comment. It helps other wonderful people connect with our food.

    📖 Recipe

    slice of ketp breakfast casserole on spatula

    Gluten-Free Breakfast Casserole

    This creamy and delicious baked egg casserole recipe is perfect for breakfast or brunch. Serve with sliced fruit or a seasonal salad for an easy meal.
    Servings: 6
    Prep: 10 mins
    Cook: 35 mins
    Total: 45 mins
    5 from 14 votes
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    Equipment

    • 9x13 casserole dish

    Ingredients
      

    • 2 cups shredded swiss cheese or gruyere
    • 4 tablespoon unsalted butter plus more for greasing the dish
    • 1 cup whole milk
    • 2 tablespoon dry white wine
    • 12 eggs
    • ½ teaspoon salt
    • ¼ teaspoon black pepper
    • ¼ teaspoon ground mustard
    • fresh chives for garnish
    Prevent your screen from going dark

    Instructions
     

    • Preheat the oven to 325 F degrees. Grease your casserole dish with extra butter. Spread the cheese in the bottom of the casserole dish. Cut the butter into small chunks and dot over the cheese.
    • Combine the milk and wine. Pour half the mixture over the cheese.
    • Beat together the eggs with salt, pepper, and dry mustard. The eggs should be fully combined and slightly frothy. Pour into the casserole dish.
    • Pour the remaining milk/wine mixture over eggs.
    • Bake until the eggs are slightly puffed and just set, approximately 35 to 40 minutes. Beginning checking at 30 minutes, then every few minutes until the center is just slightly jiggly. Rest for 5 minutes before cutting into squares, garnish with chives.
    Rate this Recipe

    Video

    Notes

    1. A 9x13 or larger casserole dish is recommended for this recipe. In order to cook without getting crusty, the casserole needs to be on the thinner side. 
    2. Bake on the bottom rack to prevent the top from over-browning.
    3. Layering the ingredients is important in this recipe. Mixing the ingredients together will result on a tough dense casserole. 

    Nutrition

    Calories: 359kcal | Carbs: 5g | Protein: 22g | Fat: 27g | Fiber: 1g
    Author: Jen Wooster
    Course:: Breakfast, Brunch
    Cuisine: American
    Keyword egg bake, egg casserole, gluten free egg casserole, keto egg bake
    Tried this recipe?Tag us @peelwithzeal so we can see your creation!

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      Recipe Rating




    1. Biana says

      July 05, 2021 at 10:23 am

      5 stars
      Looks delicious! A perfect brunch dish to serve with a salad.

      Reply
      • Jen says

        July 05, 2021 at 5:14 pm

        5 stars
        Thanks so much!

        Reply
    2. Pam says

      July 05, 2021 at 10:19 am

      5 stars
      Going to have several people at the beach house next weekend and I'm making this!

      Reply
      • Jen says

        July 05, 2021 at 5:14 pm

        5 stars
        Let us know how it turns out.

        Reply
    3. Kristen says

      July 05, 2021 at 9:59 am

      5 stars
      Love this breakfast casserole! Thank you for the great recipe!

      Reply
      • Jen says

        July 05, 2021 at 5:14 pm

        5 stars
        Thank you for the review.

        Reply
    4. Mirlene says

      July 05, 2021 at 9:57 am

      5 stars
      Can a breakfast get any better than this? What a fantastic recipe to keep handy at all times.

      Reply
    5. Pam Greer says

      July 05, 2021 at 9:23 am

      5 stars
      I love how fast and easy this is and everyone loves it! My new go to breakfast casserole!

      Reply
      • Jen says

        July 05, 2021 at 5:14 pm

        5 stars
        Thanks for the review! Glad everyone enjoyed.

        Reply

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    Greetings!

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    My name is Jen and I am the recipe developer, writer, and photographer around here. Since being diagnosed with celiac disease over 10 years ago I have been slowly curating a recipe box full of gluten-free goodness. I adore vegetables, crave chocolate, and I am always up for an adventure.

    More About Me...

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