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Made with recent, plump blueberries and a touch of lemon, blueberry french toast casserole is a simple technique to make wealthy, custardy french toast for a crowd. Prep this casserole the evening earlier than and bake it the following 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 in all my breakfast casserole recipes on a Sunday night so we have now breakfast able to reheat all through the week.
Lately I used to be craving my in a single day french toast casserole, however wished to present it extra of a spring twist. And you realize that for me, meaning 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.
This can be a french toast casserole for anybody who needs one thing that isn’t overly candy. You may at all times prime it with maple syrup or powdered sugar so as to add extra sweetness, however the taste of the casserole is nicely balanced between the fruity blueberries, vivid lemon, and frivolously candy custard.
It’s just like my blueberry bread pudding however is just a bit much less wealthy—excellent for breakfast!
Even higher, you’ll be able to assemble it the evening earlier than and bake it within the morning. An actual win, since I’m not in a position to operate within the morning earlier than I get a cup of espresso or iced shaken espresso in my system.
And sure, this recipe does use a variety of eggs. However it additionally makes a giant pan, so that you’re in a position to feed a crowd of individuals!


Find out how to make my blueberry french toast casserole
There’s nothing difficult right here—that is only a easy recipe that seems completely scrumptious.
Components you’ll want
- 16 ounces brioche bread
- 2 cups recent or frozen blueberries
- 1 tablespoon lemon zest
- ⅔ cup frivolously 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. Should you can’t discover brioche, challah would work rather well, too.
You should utilize recent blueberries, however frozen blueberries work simply as nicely. Should 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 an alternative. In case your brown sugar hardened within the pantry, study how you can soften brown sugar and save a visit to the shop.
I like to recommend utilizing entire milk on this recipe, however a reduced-fat milk or non-dairy milk will work, too.
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 nicely mixed and aromatic.


This can be a small step that can assist infuse the flavour of the zest into each single chew, identical to once 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 at the very least 4 hours, or as much as 12 hours.




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


Serving recommendations
You may go completely basic 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! Attempt including a dollop of whipped cream to make it extra dessert-like, or prime it with selfmade blueberry sauce for much more blueberry goodness.
You could possibly 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 could possibly additionally reheat your entire pan in a low oven, coated with foil, for 15-20 minutes.


Ceaselessly requested questions
Though this recipe makes a fantastic make-ahead breakfast, you don’t need to prep it the day earlier than you propose to bake it.
You do have to let the casserole chill for at the very least 4 hours; that is to permit the bread to absorb the custard so that you don’t find yourself with any bizarre/dry spots. However be happy to bake it on the finish of 4 hours as an alternative of ready till the following day!
Should you choose a cinnamon-y french toast, merely pass over the lemon zest and add 1 teaspoon of cinnamon to the custard as an alternative.
Should 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.
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 nicely mixed and aromatic.
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Add the eggs, milk, melted butter, vanilla, and salt to the bowl. Whisk till nicely mixed.
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Slowly pour the egg combination evenly over the bread and blueberries. Cowl with foil and refrigerate for at the very least 4 hours or in a single day (as much as 12 hours).
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Once 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 one more 10-Quarter-hour or till the french toast is evenly puffed and the custard within the heart is cooked by means 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 mechanically calculated, so ought to solely be used as an approximation.