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Easy Overnight French Toast Casserole

Breakfast· Budget Cooking· Kid Friendly· Real Food

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Easy Overnight French Toast Casserole: A simple breakfast recipe for a crowd, this whole wheat french toast casserole features a maple custard and light vanilla glaze and is perfect for brunch or a Holiday breakfast. Gluten-Free and Dairy-Free Modifications included. 

 A Spatula dishing out a slice of whole wheat maple french toast cassrole finished with a vanilla glaze.

For the past year I have been serving breakfast to my church’s production team.

The team had requested Gluten-Free Breakfasts and High Protein Options, so I had been opted to take them Sweet Potato Hash, Spinach Quiche with a Sweet Potato Crust, Banana Nut Quinoa Porridge, or Mediterranean Fritatta. I have so many easy, healthy breakfast recipes I can’t wait to make for them.

But recently, the production team has gained some new team memebers and they have changed up their requests from light and egg-centric dishes to full-on carbs and so I decided it was time to bring them one of my family’s all time favorite breakfast casseroles.

Easy Overnight French Toast Casserole

White Casserole Dish filled with Whole Wheat French Toast Casserole that has been glazed with a vanilla glaze. Serving plates and silver serving spoon to the side.

This easy overnight breakfast casserole has been made a bit healthier, in true style to A Mind “Full” Mom.

Whole wheat bread has been swapped out for white bread and the egg custard is sweetened with maple syrup instead of white and brown sugars.

But none of those healthier swaps matter if you the French Toast Casserole is not delicious, am I right?!

The verdict on this Easy French Toast Casserole Recipe?

Only crumbs remain EVERY SINGLE TIME I serve it and people beg me for the recipe.

The recipe for Overnight French Toast is so easy, it is almost embarrassing–but let me answer a few burning questions you may have about French Toast Casserole.

White baking dish with Overnight French Toast Casserole Bake and glazed with vanilla glaze. White plates sitting next to prepared casserole

What is the best type of bread to use in French Toast Casserole?

I do not recommend thin sandwich style bread. You want to but thick bread that has incredible flavor all on it’s own. Traditionally Challah Bread or Brioche Bread is the choice for French Toast Casserole, but my whole wheat breads are incredible in flavor and make a great healthier swap. I use my homemade whole wheat bread of my homemade cranberry walnut bread.

Ideally, any bread you choose to use needs to be able to be cut into 1 inch cubes and bread that is a bit stale (AKA dried out bread) is best so that it will absorb the custard (AKA the flavor).

Can You Freeze French Toast Casserole Before Baking?

Yes, you can freeze French Toast Casserole Before Baking.  

  • First, be sure to assemble your Breakfast Casserole in a freezer safe and oven safe dish.
  • Once assembled, wrap the dish in plastic wrap-2 times and then cover with 1 layer of foil.
  • Freeze uncooked French Toast Casserole for up to 2 months.
  • To cook, remove casserole from freezer day before you want to serve. Allow the casserole to thaw overnight and then bake as directed.
  • Make the Vanilla Glaze and top with casserole if desired.

Can You Freeze French Toast Casserole After Baking?

Yes, you can freeze French Toast Casserole After Baking.  

  • Follow instructions on my Easy French Toast Casserole (minus the glazing step).
  • After baking in a freezer safe dish, allow casserole to cool completely.
  • Once cooled, wrap the dish in plastic wrap-2 times and then cover with 1 layer of foil.
  • Freeze cooked French Toast Casserole for up to 3 months.
  • To cook, remove casserole from freezer day before you want to serve. Allow the casserole to thaw overnight. Remove plastic wrap, but cover with foil and then reheat at 350 degrees for 20 minutes or until warmed through.
  • To cook French Toast Casserole from frozen, remove plastic wrap, recover with foil and bake at 350 for 1 hour. Remove foil and cook an additional 15 minutes, or until breakfast casserole is warmed through.
  • Make the Vanilla Glaze and top with casserole if desired.

Can you Make French Toast Casserole Without Overnight Preparation?

Yes, you can make French Toast Casserole without overnight preparation.

  • French Toast Casserole is best when given time for the bread to soak up the delicious custard, hence why overnight preparation is best.
  • To skip the overnight step, make casserole as directed and after pouring custard over bread, use your hands to push bread down, fully submerging in custard. Let sit for 15 minutes, push bread down again and then bake as for 35 minutes instead of 45 minutes.
  • Remember the casserole will not be as fluffy this way.

How to Reheat French Toast Casserole?

You can reheat already cooked French Toast Casserole by either individually slicing and microwaving for 1 minute per serving. Or place casserole covered with foil in 325 degree oven for 30 minutes until warmed through.

How do I Make Gluten-Free French Toast Casserole?

You can make Gluten-Free French Toast Casserole by following my instructions exactly, except for swapping out the bread for your favorite thick gluten-free bread.

How do I make Dairy-Free French Toast Casserole?

To make Dairy-Free French Toast Casserole, use almond milk or coconut milk in place of cow’s milk. I personally have tried both with delicious results. I highly recommend canned coconut milk for Dairy-Free French Toast as it is rich and decadent.

Instead of greasing the pan with butter, use coconut oil or a non-dairy butter substitute.

Pro-Tip: Save leftover scraps of bread or stale bread. Cube and place in freezer safe bag and then use that bread to make this delicious Overnight French Toast Casserole for pennies. 

Brunch Recipes

French Toast Casserole Recipe

Whole Wheat Maple French Toast Casserole
4.92 from 12 votes
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Easy Overnight French Toast Casserole

A simple french toast bake made with healthier swaps. See notes for gluten-free and dairy-free options.

Course Breakfast
Cuisine American
Keyword French Toast Bake, French Toast Casserole, Overnight French Toast Casserole
Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Servings 8
Calories 169 kcal

Ingredients

For the French Toast Casserole

  • 1 tablespoon butter
  • 8 ounces whole wheat bread cut into 1 inch cubes (this is about 4 loosely packed cups)
  • 2 cups milk (or 1 cups milk and 1 cup half and half)
  • 6 eggs
  • 1/4 cup maple syrup
  • 1/4 teaspoon salt
  • 2 teaspoons cinnamon
  • 1/2 teaspoon freshly grated nutmeg
  • 2 teaspoons vanilla extract

Vanilla Glaze (optional)

  • 1 cup powdered sugar sifted
  • 2 tablespoons milk
  • 1 teaspoon vanilla extract
  • dash of salt

Instructions

  1. Grease a 9x13 baking dish with 1 tablespoon butter.

  2. Place cubed bread in prepared casserole dish.

  3. Mix together eggs, maple syrup, milk, vanilla, salt, cinnamon and nutmeg. 

  4. Pour custard over bread, lightly tapping bread down to be fully sumberged in custard. 

  5. Cover casserole with plastic wrap and refridgerate for 8 hours or overnight. 

  6. To Bake, preheat oven to 350 degrees. Remove plastic wrap and cover with foil. Bake covered for 30 minutes. Remove foil and bake for additional 15 minutes. Serve warm with glaze and/or additional maple syrup. 

For Glaze

  1. Whisk together milk, salt and vanilla. Add in powdered sugar and whisk until thin glaze forms. Add in more milk 1 teaspoon at a time, if needed to thin out. 

  2. Drizzle over cooked French Toast Casserole

Recipe Video

Nutrition Facts
Easy Overnight French Toast Casserole
Amount Per Serving
Calories 169 Calories from Fat 45
% Daily Value*
Total Fat 5g 8%
Saturated Fat 2g 10%
Cholesterol 126mg 42%
Sodium 327mg 14%
Potassium 138mg 4%
Total Carbohydrates 19g 6%
Dietary Fiber 2g 8%
Sugars 7g
Protein 8g 16%
Vitamin A 4.4%
Calcium 14%
Iron 7.3%
* Percent Daily Values are based on a 2000 calorie diet.

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Comments


  4. This would just be perfect for an Easter brunch!!!
    That vanilla glaze looks delicious and using brown bread means I can have an extra large portion 😉

    Reply

    • I mean everything is better with a bit of powdered sugar, right?! Glad you enjoyed Aimee 🙂

      Reply


  6. This sounds great for indulge myself in three weeks time! I will be on Holiday! after long waited 11 weeks of school term. Thank you for the great recipe.

    Reply


  7. This turned out great! Super easy, too. I used rice milk in place of cow’s milk, and used only a pinch of nutmeg (not a big fan of it).

    Reply

    • Thank you so much for sharing your experience Noreen! I am so glad you enjoyed the french toast!

      Reply

    • Hi Crystal!! French Toast Casserole can easily be doubled. If making in 9×13 pan, I would suggest making 2 dishes, using 2 9x13s. I have made this dish many times in a larger 12×16 pan and then it needs to bake an additional 15-20 minutes.

      Reply


  11. I love making french toast casseroles when I have company and like that people always think it’s so complicated when it’s one of the easiest things! I’m absolutely loving that glaze!! 🙂

    Reply

    • I love impressing others with what appears to be fancy–but is actually quite impressive! SO glad you enjoyed

      Reply

  12. Do you think you could double this recipe, make it overnight, and stuff it would cream cheese, and it would still be amazing?

    Reply

    • Oh the idea of stuffing this french toast with cream cheese is genius Toni! If you double the recipe, you will need to use a really deep casserole dish and bake for at least 20 minutes longer (covered so you don’t burn the top) But I think it is a fabulous idea!

      Reply


  13. This was good but I added more bread and two more eggs. Note- 8 oz is not one pound as the video says to use; thus is the reason why I added more eggs.

    Reply

    • Oh good catch on the video. I do use about 4 cups bread cubes for 6 eggs–which is between 8-10 ounces bread. For a larger casserole (or using a loaf of french bread which is typically 14 ounces) 8 eggs and a bit more milk is better. Sorry for the confusion.

      Reply

  15. How many (about) will this serve? I have to cook for 40 and I’m just wondering how many pans to prepare. Thank you, in advance!

    Reply

    • Hi Tiffany!! 40 is quite the crowd. One casserole makes 8 LARGE servings. So I would say 4 casseroles would be more than enough. If this is for a brunch with several other recipes, I would make 3. Enjoy!

      Reply


  17. I just made the first part of this and put it in the fridge to bake tomorrow for our family holiday brunch, so this may be a little preliminary but so far so good I think. It was easy to make and would be hard to screw up so that gets big points from me since I’m a total dope when it comes to cooking. I did leave out the cinnamon because my husband doesn’t like it, and I substituted French toast bread for the brioche bread because Big Y had literal French toast bread so it was too tempting and I couldn’t find brioche bread in any store. I have a good feeling about it though, I think it will be an easy and tasty recipe.

    Reply

  18. Can you freeze ahead and cook it on the 5th day? (Going out of town and wanted to bake it once we get back into town). Does it need to be thawed before baking or cook right away frozen?

    Reply

    • Hi Eliz! I would freeze and then place in refrigerator night before you plan to bake. If that is NOT possible, cook at 350 degrees for 1 hour, covered in foil. Remove foil and bake another 20-30 minutes or until warmed through. Enjoy!

      Reply

  20. If using french loaf cubed up how many cups of bread do I do and do I need to change any other ingredients?? (More eggs or milk?) Thanks excited to try this out.

    Reply

  21. Ok perfect so as long as i do the four cups I will be good. One other question I will have a breakfast casserole in oven at 425. Would it be ok to cook this at that temp and just take out sooner?

    Reply


  23. I switched the bread to a 1/2 loaf of texas toast. I also switched the maple syrup to molasses. Yum!!

    Reply

  24. I cooked it, cooked it more, and more and it never dried out enough to eat. I tried it twice. What am I doing wrong?

    Reply

    • Hi Davonne. I am sorry you had issues with the French Toast Casserole. Did you fully submerge your bread in the liquid and give it time to absorb before baking? That is my best guess to what may have happened. Either that or a mis-measurement occurred. Sorry about that!

      Reply


  25. I need to make 3 batches of your recipe (looks so good but best of all easy). Could I use 3 – 9×13 pans in the oven at once? What is the best indicator that it is completely cooked through? I would greatly appreciate your feedback.

    Reply

    • Hi Marielle,
      I have been able to make 3 batches for a large brunch before. It really depends on your oven. I place one tray on each rack and rotated the pans to separate racks half way through. My oven worked to cook them perfectly–you will know when the center is set. I hope that helps.

      Reply

  26. DELISH AND EASY. HOWEVER, best to use a glass pan. Baked many pans for a breakfast event and 3 pans were metal and non stick. All were treated with butter or non-stick spray,. All recipes baked in metal pans stuck and hard to remove casserole and didn’t raise as well as glass baked pans. Glass pans were easy remove casserole. Recommend using GLASS PANS.
    Guests raved about the recipe.

    Reply

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