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    Home » Recipes » Breakfast/Brunch

    Overnight Mixed Berry French Toast Casserole

    Published: Apr 10, 2014 · Modified: Oct 30, 2024 by Lauren Kelly · This post may contain affiliate links.

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    This Overnight Mixed Berry French Toast Casserole is that perfect dish to make for Easter or Mother's Day brunch, or pretty much any day of the year! This delicious make-ahead breakfast casserole is always a crowd pleaser and take minutes to prepare.

    Mixed Berry French Toast Casserole in a white casserole dish with a fork filled with casserole on the bottom and the title on top.Pin

    Simple to prepare, colorful and lightened up!

    This Overnight Mixed Berry French Toast Casserole is everyone's favorite. It is a perfect dish to bring to potlucks, brunches and holiday parties.

    If you are looking for some other make ahead healthy breakfast recipes, you will love this Veggie Crustless Quiche, Gingerbread Chocolate Overnight Oats and definitely this Mushroom Gruyere Crustless Quiche!

    These would all be even better with this Apple Chai Latte, Low Carb Bulletproof Hot Chocolate or even this Spiked Apple Cider!

    Also, my cookbooks are both on sale now and would make a great gift! The Everything Wheat Free Diet Cookbook and The Greek Yogurt Cookbook are both the lowest prices I have seen!

    Why You Should Make This Overnight Mixed Berry French Toast Casserole

    This delicious French toast casserole is so simple to prepare with easy ingredients you probably already have in your house.

    This is especially convenient on those busy days when you don't have the time in the morning to prep it. That is why I make this for Easter, Christmas and all of my kids' birthdays when I don't have the time to prep it that early in the morning.

     This Overnight Mixed Berry French Toast Casserole recipe is lightened up with Greek yogurt so it's a little healthier than the standard casserole. Everyone loved my Overnight French Toast Casserole so much (it's in The Greek Yogurt Cookbook!) that I knew I had to add some fruit to it.  

    You really don't need any additional maple syrup, this french toast is sweet enough on its own.  It looks fancy enough for guests, but takes minutes to prepare.  

    Horizontal picture of French toast casserole in a white casserole dish.Pin

    Recipe Ingredients for This Overnight Mixed Berry French Toast Casserole

    • Stale loaf bread- Stale bread absorbs more of the egg mixture than fresh bread will and it's also a great way to use up old bread!
    • Eggs- I use farm raised, organic eggs. Eggs add a complete source of protein.
    • Plain Greek yogurt- My favorite! Greek yogurt adds protein and a smooth texture.
    • Almond milk- or any other milk of your choice. I used unsweetened almond milk to make sure there are no added sugars or ingredients in this french toast casserole.
    • 100% pure maple syrup- This Maple Syrup is my favorite. This is a great unrefined, natural sweetener that is high in antioxidants and minerals.
    • Frozen mixed berries- adds antioxidants, vitamins and lots of color!
    • Butter- I always use 100% grass fed, organic unsalted butter which just plain old tastes better!
    • Ground cinnamon - One of my favorite spices, it always adds so much to my baked goods. I love this one.
    • Flour- I used all purpose flour but you can use a light flour of your choice, almond flour and gluten free flour are also great options.

    Recipe FAQ's and Recipe Tips

    How do I prevent my overnight mixed berry French toast casserole from getting soggy?

    Stale bread will definitely help prevent it from getting soggy. Also, making sure you don't use too many eggs will also help.

    What if I only have fresh bread?

    You can leave the bread out on the counter overnight to harden a bit. This will help prevent it from getting soggy.C

    Can I freeze my French toast casserole?

    Yes, but I recommend you cooking the casserole first and then freezing any left overs in an airtight container.

    What type of bread should I use to make this overnight mixed berry french toast?

    I used Challah bread and 100% whole what bread to make this casseroleand boy was it fluffy and incredible. My friend just told me that she made this using Trader Joe's Brioche bread and was in love with that as well.

    Related Recipes

    Overnight French Toast Casserole from Lauren Kelly Nutrition

    The Best Healthy French Toast Recipe from The Healthy Maven 

    Keto Pumpkin French Toast Sticks from All Day I Dream About Food

    Low Carb Cloud French Toast from Sugar Free Mom

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    Horizontal picture of French toast casserole in a white casserole dish.Pin

    Overnight Mixed Berry French Toast Casserole

    This delicious make-ahead breakfast casserole is always a crowd pleaser and take minutes to prepare.
    5 from 12 votes
    Print Pin Rate
    Course: Breakfast, brunch, main dish, vegetarian
    Cuisine: American
    Prep Time: 10 minutes minutes
    Total Time: 55 minutes minutes
    Servings: 8 servings
    Calories: 195kcal
    Author: Lauren Kelly

    Ingredients

    • 1 loaf stale bread
    • 5 whole cage-free eggs
    • 2 cage-free egg whites
    • 1 cup nonfat plain Greek yogurt
    • 1 cup almond milk
    • ¾ cup 100 percent pure maple syrup
    • 16 ounces bag of frozen organic mixed berries
    • 2 tablespoons cold butter diced
    • ¼ cup unrefined brown sugar packed
    • 1 teaspoon ground cinnamon
    • ¼ cup all-purpose flour you can use almond flour

    Instructions

    • Take berries out of the freezer and defrost for at least 30 minutes.
    • Spray a 9" × 13" casserole dish with organic nonstick cooking spray.
    • Tear bread into pieces and spread them throughout the casserole dish in an even layer.
    • In a large bowl, mix eggs, egg whites, Greek yogurt, milk, and maple syrup. Mix very well until smooth and thoroughly combined. Pour egg mixture completely over bread.
    • In a small bowl, mix butter, brown sugar, cinnamon, flour, and pecans, if using. Mix until all ingredients are combined, even if still lumpy.
    • Add defrosted berries on top of bread mixture.
    • Sprinkle the butter mixture on top of the bread. Cover and refrigerate overnight. If cooking the same day, make sure to refrigerate at least 30 minutes before baking.
    • 6. In the morning, preheat the oven to 350°F. Bake for 45 minutes until golden brown and the middle of the dish is set. Serve immediately with maple syrup, if desired.

    Notes

    If you are making this the night before, make sure you cover it toughly with aluminum foil to prevent it from drying out.
    You can also use the same amount of fresh berries in this casserole.
    Make sure the butter is cold, it yields a crisper, less soggy casserole.

    Nutrition

    Calories: 195kcal | Carbohydrates: 17g | Protein: 8g | Fat: 6g | Saturated Fat: 3g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 1g | Cholesterol: 111mg | Sodium: 147mg | Potassium: 136mg | Fiber: 2g | Sugar: 13g | Vitamin A: 265IU | Vitamin C: 2mg | Calcium: 100mg | Iron: 1mg
    Tried this Recipe? Pin it for Later!Mention @lkellynutrition or tag #lkellynutrition!
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    Reader Interactions

    Comments

    1. Taylor

      January 22, 2022 at 9:18 am

      5 stars
      This was SO GOOD! I love that sweet cinnamon sugar flavor mixed with the sweetness of the mixed berries. Definitely making again!

      Reply
      • Lauren Kelly

        January 24, 2022 at 7:05 am

        Thank you Taylor!

        Reply
    2. Bernice

      November 03, 2016 at 2:51 am

      5 stars
      Love thê recipe, love berry too, Looks so refreshing and what a great flavor!

      Reply
      • lauren.kelly

        November 03, 2016 at 11:03 am

        Thank you Bernice! It's one of my favorites 🙂

        Reply
    3. Jocelyn @BruCrew Life

      December 02, 2014 at 8:04 pm

      I do love a good french toast casserole...the berries in this one are definitely calling my name!!!

      Reply
      • lauren.kelly

        December 02, 2014 at 8:22 pm

        Thanks Jocelyn!

        Reply
    4. heather+@french+press

      December 02, 2014 at 4:13 pm

      french toast casserole is one of my favorite holiday breakfast ideas

      Reply
      • lauren.kelly

        December 02, 2014 at 7:46 pm

        Mine too Heather!! 🙂

        Reply
    5. sue|theviewfromgreatisland

      December 02, 2014 at 3:47 pm

      You totally had me at 'overnight', I'm a huge fan of waking up to a fabulous breakfast 🙂

      Reply
      • lauren.kelly

        December 02, 2014 at 7:46 pm

        Totally agree Sue!

        Reply
    6. Marjory+@+Dinner-Mom

      December 02, 2014 at 12:42 pm

      Love overnight dishes! Perfect for the holidays!

      Reply
      • lauren.kelly

        December 02, 2014 at 7:46 pm

        Thanks Marjory!

        Reply
    7. Sharon @ What The Fork Food Blog

      December 02, 2014 at 12:38 pm

      I love fruit with my french toast, such a fresh flavor! I love how easy overnight french toast casseroles are too!

      Reply
      • lauren.kelly

        December 02, 2014 at 7:46 pm

        Thank you Sharon!

        Reply
    8. Lisa+@+Garnish+with+Lemon

      December 02, 2014 at 12:10 pm

      My family would go crazy for this! Love the berries 🙂

      Reply
      • lauren.kelly

        December 02, 2014 at 12:16 pm

        Thank you ladies! XO

        Reply
    9. Betsy+|+JavaCupcake.com

      December 02, 2014 at 11:51 am

      I couldn't wait to click over to see this recipe. Not only is it delish... but the recipe is simple! Love it!

      Reply
      • lauren.kelly

        December 02, 2014 at 11:58 am

        Thanks so much Betsy!

        Reply
    10. Kim - Liv Life

      December 01, 2014 at 8:43 pm

      Oh my! Just look at those berries. What a treat this would be for Christmas morning! Pinned...

      Reply
      • lauren.kelly

        December 02, 2014 at 11:58 am

        Thanks Kim! 🙂

        Reply
    11. Susan

      August 15, 2014 at 8:49 pm

      French toast casserole is my preferred way of making it these days and this looks so good with all those berries!

      Reply
    12. Angie | Big Bears Wife

      August 15, 2014 at 2:15 pm

      Sounds (and looks) fantastic!! Yum!

      Reply
    13. Kirsten/ComfortablyDomestic

      August 14, 2014 at 11:42 pm

      French toast casserole is my favorite make-ahead breakfast. I love all of the berries in yours!

      Reply
      • lauren.kelly

        August 15, 2014 at 1:59 pm

        Thanks Kirsten!

        Reply
    14. christine

      August 14, 2014 at 6:30 pm

      Sounds delicious. I'll have to pass this on to someone to make for me on Mother's day too! Fab idea!

      Reply
      • lauren.kelly

        August 15, 2014 at 1:59 pm

        Thank you Christine!

        Reply
    15. Elizabeth@ Food Ramblings

      August 14, 2014 at 3:51 pm

      This looks so good! I love recipes that you can make the night before!

      Reply
      • lauren.kelly

        August 15, 2014 at 1:59 pm

        Me too Elizabeth!!

        Reply
    Newer Comments »
    5 from 12 votes (2 ratings without comment)

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