Holiday Sourdough Bread French Toast Casserole Recipe

Published on September 20, 2022

This Sourdough Bread French Toast Casserole Recipe contains affiliate links, we were given a free product, and we were compensated for this post.  If you make a purchase we may receive a commission.  All opinions are our own.

By Alison Chew

 

Holiday Sourdough Bread French Toast Casserole Recipe

This super easy Holiday Sourdough Bread French Toast Casserole recipe will be the highlight of any holiday breakfast or brunch!

Pieces of Wildgrain Sourdough Bread are covered in a rich and creamy egg mixture, topped with butter, cinnamon and sugar, and baked to crispy perfection.

Best of all, you make this casserole the night before so all you have to do is pop it in the oven and bake.  Which makes it perfect for busy Holiday mornings like Christmas.

french toast on plate with blueberries-sourdough bread french toast casserole recipe-mealfinds

This overnight sourdough bread french toast casserole is my go-to holiday breakfast because of how easy it is to make and how delicious it tastes!

 

How do you make Sourdough Bread French Toast Casserole?

Making this casserole could not be easier and it feeds a crowd (about 8 to 10!).  Even your kids can do it for a Mother’s Day breakfast surprise!

For this recipe, we used a loaf of bake-from-frozen sourdough bread from Wildgrain.  We love this bread as it is made with clean ingredients including 100% organic, enriched, stone-ground, unbleached flours, nothing artificial, and is ready in around 30 minutes.

For more on Wildgrain check out our full review and get a coupon.

wildgrain sourdough seseame seed bread-wildgrain sourdough bread french toast casserole recipe-mealfinds

You can use any sturdy bread, like challah or brioche, that will not fall apart when combined with the egg mixture.  We like sourdough because it really soaks up the egg mixture without becoming soggy or mushy.

The first thing you do is bake your Wildgrain sourdough bread loaf.  This takes between 18 and 24 minutes.  When the sourdough bread is done baking take it out of the oven and let it cool.  If you have a premade loaf, skip to the next step.

Next, slice and cube the bread.  Your cubes don’t have to be perfect as you will be covering it with a buttery cinnamon and sugar mixture.  Then add the cubed bread to a greased 9 x 13 pan.

 

cubed bread-sourdough bread french toast casserole recipe-mealfinds

 

Now you can make the egg mixture. In a bowl, whisk together 8 eggs, 2 cups milk, 1/2 cup heavy whipping cream, 1/2 cup sugar, and 1 tbsp vanilla. 

Pour this mixture over the bread, cover with cling wrap, and place in the refrigerator overnight.

 

custard-sourdough bread french toast casserole recipe-mealfinds

 

Finally, make the topping, mix together 1/2 cup all-purpose flour, 1/2 cup brown sugar, 1 tsp cinnamon, and 1/4 tsp salt. 

Cut 1/2 cup of cold butter into pieces and then cut into the mixture using two knives, or a pastry blender, until it is nice a crumbly. 

Place crumble mixture in a baggie and refrigerate overnight.

 

crumble topping-sourdough bread french toast casserole recipe-mealfinds

 

When you are ready to bake, preheat your oven to 350, sprinkle the crumble mixture evenly over the bread, and bake for 45 min to 1 hour.  Your sourdough french toast casserole should be brown and crispy on the top and soft underneath.

 

french toast casserole going into oven-sourdough bread french toast casserole recipe-mealfinds

 

You will know when your Sourdough French Toast Casserole is ready when it is brown on top and all of the liquid is firm (like scrambled eggs).

That’s it!

Enjoy this sourdough bread french toast casserole with a side of mixed berries and coffee or tea for a delightful holiday breakfast any time of year.

TIP:  If you have leftover heavy whipping cream you can make an easy whipped cream to go on top.  Simply whip 1 cup heavy whipping cream until soft peaks are about to form and then add 1 tsp vanilla and 1 tbsp confectioner’s sugar until soft peaks form.  Do not overmix.

 

Sourdough Bread French Toast Casserole FAQs

french toast casserole baked-sourdough bread french toast casserole recipe-mealfinds

Can you make french toast with sourdough bread?

Yes!  We’ve made this french toast casserole with brioche and challah, but love the taste and texture that sourdough bread gives to this dish.

We do not recommend using regular white bread as it will not hold up to all of the liquid and will become mushy.

 

How many people does this casserole feed?

This french toast casserole feeds 8 to 10 or more if you have sides like fruit, bacon, etc.

 

How long do you bake sourdough french toast casserole?

Bake the french toast casserole for 45 min to 1 hour in a 350-degree oven until the top is nice and brown and crispy.

 

Can you make sourdough french toast casserole in advance?

Yes!  This casserole is made the night before so that all you have to do is add the crumble topping and bake.

You can also freeze for up to two months. (see below)

 

Can you freeze sourdough french toast casserole?

Yes!  To freeze simply follow the instructions above and instead of baking the next morning cover your dish with foil and place both the bread mixture and the topping in the freezer.

Once you are ready to bake, thaw both overnight in the refrigerator, remove all of the wrappings, add the crumble to the bread mixture and bake at 350 for 45 min to 1 hour.

 

How will I know when my Sourdough French Toast Casserole is done baking?

You will know when your Sourdough French Toast Casserole is ready when it is brown on top and all of the liquid is firm (like scrambled eggs).

 

 

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