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Made with recent, plump blueberries and a touch of lemon, blueberry french toast casserole is a simple option to make wealthy, custardy french toast for a crowd. Prep this casserole the night time earlier than and bake it the subsequent morning to make it even simpler!

Anybody who is aware of me is aware of that I’m a giant fan of breakfast casseroles. My make-ahead breakfast casserole and Christmas morning casserole get made the entire time over right here.
And never only for a vacation breakfast or brunch! Typically I’ll make one among my breakfast casserole recipes on a Sunday night so we’ve breakfast able to reheat all through the week.
Not too long ago I used to be craving my in a single day french toast casserole, however needed to provide it extra of a spring twist. And that for me, which means incorporating two of my favourite substances: recent berries and lemon.


Why you’ll love this blueberry french toast casserole recipe
My blueberry french toast casserole combines wealthy brioche bread, an eggy custard, recent blueberries, and a little bit of lemon zest.Â
It is a french toast casserole for anybody who needs one thing that isn’t overly candy. You’ll be able to all the time prime it with maple syrup or powdered sugar so as to add extra sweetness, however the taste of the casserole is properly balanced between the fruity blueberries, shiny lemon, and evenly candy custard.
It’s just like my blueberry bread pudding however is just a bit much less wealthy—excellent for breakfast!Â
Even higher, you may assemble it the night time earlier than and bake it within the morning. An actual win, since I’m not in a position to perform within the morning earlier than I get a cup of espresso or iced shaken espresso in my system.Â
And sure, this recipe does use loads of eggs. Nevertheless it additionally makes a giant pan, so that you’re in a position to feed a crowd of individuals!


The right way to make my blueberry french toast casserole
There’s nothing sophisticated right here—that is only a easy recipe that seems completely scrumptious.
Elements you’ll want
- 16 ounces brioche breadÂ
- 2 cups recent or frozen blueberriesÂ
- 1 tablespoon lemon zest
- â…” cup evenly packed gentle brown sugar
- 8 massive eggs
- 1 cup entire milk
- 4 tablespoons melted unsalted butter
- 1 tablespoon pure vanilla extract
- Pinch of salt


Brioche bread is my go-to for making french toast casserole. It soaks up the custard rather well and provides richness with out having to make use of heavy cream within the recipe.
16 ounces is about 1 loaf of brioche. When you can’t discover brioche, challah would work rather well, too.Â
You should utilize recent blueberries, however frozen blueberries work simply as properly. When you’re utilizing frozen, don’t thaw them earlier than including them.
Out of brown sugar? Make a simple brown sugar substitute to make use of as a substitute. In case your brown sugar hardened within the pantry, be taught the way to soften brown sugar and save a visit to the shop.Â
I like to recommend utilizing entire milk on this recipe, however a reduced-fat milk or non-dairy milk will work, too.Â
Making this french toast casserole
Begin by chopping the bread into 1-inch cubes with a big serrated knife. Add half of the bread cubes to a greased 9×13-inch baking dish and prime with half of the blueberries.


Evenly prime with the remainder of the bread, adopted by the remainder of the blueberries.
Now make the custard. In a big bowl, mix the lemon zest and brown sugar together with your fingertips, rubbing the zest into the sugar till it’s properly mixed and aromatic.


It is a small step that can assist infuse the flavour of the zest into each single chew, identical to after we make lemon raspberry muffins.
Whisk within the eggs, milk, melted butter, vanilla, and salt. Slowly pour the custard over the bread and blueberries. Cowl the pan with foil and refrigerate the casserole for a minimum of 4 hours, or as much as 12 hours.




If you’re able to bake the french toast casserole, let the pan sit at room temperature when you preheat the oven to 350°F.
Bake the casserole coated for 45 minutes, then take away the foil and proceed baking for an additional 10-Quarter-hour. It’s accomplished when the french toast is evenly puffed and the custard within the heart is cooked by way of.


Serving options
You’ll be able to go completely traditional with this blueberry french toast and serve it heat with a drizzle of maple syrup or a dusting of powdered sugar.
However don’t cease there! Strive including a dollop of whipped cream to make it extra dessert-like, or prime it with home made blueberry sauce for much more blueberry goodness.Â
You may even prime it with some lemon curd if you would like extra lemon taste.


Storage and reheating suggestions
Retailer any leftovers coated within the fridge for 3-4 days.
I wish to reheat slices of the casserole within the microwave for 30-60 seconds earlier than having fun with them. You may additionally reheat your complete pan in a low oven, coated with foil, for 15-20 minutes.Â


Continuously requested questions
Though this recipe makes an incredible make-ahead breakfast, you don’t need to prep it the day earlier than you propose to bake it.
You do must let the casserole chill for a minimum of 4 hours; that is to permit the bread to take in the custard so that you don’t find yourself with any bizarre/dry spots. However be at liberty to bake it on the finish of 4 hours as a substitute of ready till the subsequent day!
When you favor a cinnamon-y french toast, merely pass over the lemon zest and add 1 teaspoon of cinnamon to the custard as a substitute.
When you’re not a fan of blueberries or different berries are in season, attempt swapping them out for the blueberries. Raspberries, blackberries, and strawberries are all nice choices.Â
If utilizing blackberries, I like to recommend halving or quartering them. For strawberries, I like to recommend dicing them.
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Spray (1) 9×13-inch baking pan with nonstick cooking spray.
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Utilizing a big serrated knife, slice the bread into 1-inch cubes. Unfold half of the bread cubes within the backside of the ready baking dish. Sprinkle half of the blueberries on prime. High with the remaining bread cubes and end with the remainder of the blueberries, distributing evenly.
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In a big bowl, add the lemon zest and brown sugar. Utilizing your fingertips, rub the lemon zest into the sugar till properly mixed and aromatic.
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Add the eggs, milk, melted butter, vanilla, and salt to the bowl. Whisk till properly mixed.
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Slowly pour the egg combination evenly over the bread and blueberries. Cowl with foil and refrigerate for a minimum of 4 hours or in a single day (as much as 12 hours).
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If you’re able to bake, preheat the oven to 350°F. Take away the pan from the fridge and permit it to take a seat at room temperature whereas the oven preheats.
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Bake coated for 45 minutes. Take away the foil and proceed to bake uncovered for an additional 10-Quarter-hour or till the french toast is evenly puffed and the custard within the heart is cooked by way of.
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Serve with maple syrup or powdered sugar.
Serving: 1slice (with out syrup), Energy: 390kcal, Carbohydrates: 53g, Protein: 12g, Fats: 14g, Saturated Fats: 6g, Polyunsaturated Fats: 2g, Monounsaturated Fats: 5g, Trans Fats: 0.2g, Ldl cholesterol: 211mg, Sodium: 296mg, Potassium: 230mg, Fiber: 2g, Sugar: 24g, Vitamin A: 602IU, Vitamin C: 5mg, Calcium: 135mg, Iron: 3mg
Diet data is routinely calculated, so ought to solely be used as an approximation.