Introduction to Blueberry French Toast Casserole
If you're keen on making brunch a delightful experience without the morning chaos, an overnight casserole is your best friend. The blueberry French toast casserole is not just a dish; it’s an event! You can prepare everything the night before, letting the flavors meld wonderfully in the fridge while you catch those precious Z's. Come morning, just pop it in the oven—easy as pie!
Why Overnight Casseroles Make Brunch a Breeze
Overnight casseroles streamline your brunch planning and give you a stellar way to impress your guests without running around in the kitchen. Just imagine waking up and smelling the delicious aroma of baked blueberries and sweet French bread wafting through your home. You’ll have time to enjoy a leisurely cup of coffee and even touch up your hair before your friends arrive.
Not to mention, this type of dish is super versatile! You can customize it with different fruits, such as strawberries or apples, according to the season or your craving. Plus, they’re great for feeding a crowd—you can easily serve a dozen hungry guests without breaking a sweat. For tips on enhancing your brunch spread, check out this resource. Your stress-free brunch starts here with this unbelievable blueberry French toast casserole!

Ingredients for Blueberry French Toast Casserole
Essential ingredients for a delicious casserole
Creating an unbelievable blueberry French toast casserole starts with a few key ingredients that work together to deliver mouthwatering flavor. Here’s what you’ll need:
- French bread (or sourdough, brioche, or challah): About 12–14 ounces, cut into cubes. The day-old bread is best as it absorbs the custard beautifully.
- Blueberries: A cup of fresh or frozen blueberries will add bursts of sweetness.
- Eggs: Eight large eggs provide that classic French toast richness.
- Whole milk: Two and a quarter cups will create a creamy texture.
- Brown sugar: Three-quarters of a cup gives that essential sweetness.
- Ground cinnamon and vanilla extract: Adding warmth and aromatic depth.
Optional toppings to elevate your dish
To take your casserole from great to extraordinary, consider these delightful toppings:
- Streusel topping: A mix of brown sugar, flour, cinnamon, and cold cubed butter for a crispy finish.
- Extra blueberries: Sprinkle on top before serving for added color.
- Maple syrup or confectioners’ sugar: A drizzle or dusting adds a touch of sweetness that complements your dish perfectly.
With these ingredients, you’re on your way to impressing your brunch guests! If you're interested in refining your skills with additional tips, check out Sally’s Baking Addiction.
Preparing Blueberry French Toast Casserole
Creating an unbelievable blueberry French toast casserole is not just about following a recipe; it's about creating a delightful experience for your brunch guests or family. Let’s walk through the preparation step-by-step to ensure you whip up a mouthwatering dish that everyone will love.
Gathering Your Ingredients
Before diving into the cooking process, gather all your ingredients. Here’s what you’ll need:
- 1 loaf of French bread, sourdough, or brioche
- 1 cup of fresh or frozen blueberries
- 8 large eggs
- 2 and ¼ cups of whole milk
- ½ teaspoon of ground cinnamon
- ¾ cup of packed light brown sugar
- 1 tablespoon of pure vanilla extract
For the streusel topping, make sure you have:
- ⅓ cup of packed brown sugar
- ⅓ cup of all-purpose flour
- ½ teaspoon of ground cinnamon
- 6 tablespoons of cold, cubed unsalted butter
Gather everything before you start—it keeps the momentum going and makes kitchen time more enjoyable!
Preparing the Bread and Blueberries
Begin by greasing a 9×13-inch baking pan with butter or nonstick spray. Slice your bread into one-inch cubes, making it easier for the custard to soak in. If you want a little head start on the bread texture, leaving it out overnight can help it get a slight crust—a chef's secret! Spread the bread cubes in the pan evenly, and then sprinkle the blueberries on top. Whether you’re using fresh or frozen berries, both work beautifully for this casserole.
Mixing the Egg Custard
In a large mixing bowl, whisk together the eggs, whole milk, ground cinnamon, brown sugar, and vanilla extract. Make sure to whisk until there are no lumps of brown sugar—this ensures an even distribution of sweetness throughout your dish. Once combined, pour this luscious custard mixture over your prepared bread and blueberries, ensuring everything is well soaked.
Assembling the Casserole
After pouring the custard over the bread, cover your casserole tightly with plastic wrap or foil. Here’s where the magic happens: let it sit in the refrigerator for at least three hours, but ideally overnight. This soaking period allows the bread to absorb all those delicious flavors, transforming it into a hearty, custardy delight when baked!
Making the Streusel Topping
When you're ready to bake, preheat your oven to 350°F (177°C). In a medium bowl, combine brown sugar, flour, and cinnamon. Cut in the cold butter using a pastry blender or two forks until the mixture is crumbly. This streusel topping is what gives your blueberry French toast casserole that delightful crunch!
Baking to Perfection
Sprinkle the streusel topping over your soaked bread. Bake in the preheated oven for 45–55 minutes, until golden brown and puffy. The aroma will fill your kitchen, and you’ll know it’s time to serve this crowd-pleaser warm! Feel free to top with more blueberries, a drizzle of maple syrup, or a dusting of powdered sugar for that extra flair.
Not only is this casserole a delightful dish, but it's also a fantastic way to bring people together. Enjoy every bite!

Variations on Blueberry French Toast Casserole
Using Different Berries
While blueberries shine in this casserole, don’t shy away from experimenting with other berries! Try incorporating strawberries, raspberries, or blackberries for a delicious twist. Each brings its own flavor and texture, making your breakfast unique each time. If you’re feeling adventurous, mix in dried cranberries or even slices of bananas for added sweetness. The versatility of this dish means you can adjust to seasonal fruits or what you have on hand!
Adding Spices or Flavorings
Elevate your blueberry French toast casserole by adding warm spices or hints of flavor. A sprinkle of nutmeg or a touch of cardamom can create a delightful aromatic experience. For a more indulgent touch, consider infusing the custard with a splash of maple extract or even a pinch of coconut for a tropical vibe. Experimenting with flavor can make your brunch stand out and impress your guests! For more ideas on enhancing your dishes, check out these flavor pairing tips.
Cooking Tips and Notes for Blueberry French Toast Casserole
Make-Ahead Options
This blueberry French toast casserole shines as a make-ahead dish! You can prepare it the night before by soaking the bread in the egg mixture and refrigerating it for up to 24 hours. For convenience, you can also whip up the streusel topping ahead of time and store it in the fridge until you’re ready to bake. If you’re expecting a crowd, this recipe serves up to 12, making it perfect for weekend brunch gatherings!
Storing Leftovers
If you have any leftovers (which may be rare!), store them tightly covered in the refrigerator for 2–3 days. Simply reheat individual portions in the microwave or warm the entire dish in a 350°F (177°C) oven for about 15 minutes. Trust me, it tastes just as delicious the next day! For more tips on preserving your brunch creations, check out The Kitchn.

Serving suggestions for Blueberry French Toast Casserole
What to serve with your casserole
To elevate your blueberry French toast casserole into a delightful brunch experience, consider pairing it with fresh fruit salad, whipped cream, or a dollop of yogurt. A side of crispy turkey bacon or chicken ham adds a savory contrast to the sweetness, making it a more balanced meal. For drinks, freshly brewed coffee or a refreshing fruit-infused water could be great companions.
Creative presentation ideas
Presentation can make all the difference! Slice the casserole into squares and serve them on a colorful platter, garnished with extra blueberries and a dusting of powdered sugar. Consider adding mint leaves for a pop of color and freshness. If you’re feeling fancy, try drizzling warm maple syrup over each piece right before serving to create an enticing visual and delicious aroma.
For more inspiration on brunch presentations, check out sites like Food Network to explore unique ideas that match your style!
Time Breakdown for Blueberry French Toast Casserole
Preparation Time
The preparation for this delightful Blueberry French Toast Casserole takes about 25 minutes. This includes slicing the bread, mixing the custard, and arranging the blueberries.
Cooking Time
Once it's time to bake, allow 50 minutes for the casserole to cook to a perfect golden brown. This gives you time to prep your table and coffee!
Total Time
Overall, you're looking at about 1 hour and 15 minutes for the entire process, plus some quality overnight chilling time in the fridge. This make-ahead approach makes it perfect for brunch gatherings or lazy weekend mornings!
If you're ready to take the plunge into this delicious world of blueberry bliss, grab the full recipe here. Your taste buds will thank you!
Nutritional Facts for Blueberry French Toast Casserole
Calories
A serving of blueberry French toast casserole contains approximately 290 calories, making it a delicious but relatively guilt-free brunch option. This can vary based on the type of bread and additional toppings you choose.
Protein
Need a protein boost? Each serving offers about 9 grams of protein, thanks to the eggs and milk. This energetic start is perfect for fueling your morning activities.
Sugar
Sweetened with a bit of brown sugar and natural fruit, the casserole has around 14 grams of sugar per serving. Opting for fresh blueberries not only enhances flavor but also provides antioxidants without excessive sweetness.
For a deeper dive into understanding the nutritional benefits of your favorite brunch dishes, check out resources like the USDA FoodData Central or Healthline. This way, you can enjoy indulgent meals while staying mindful of your dietary choices!
FAQ about Blueberry French Toast Casserole
Can I use stale bread?
Absolutely! In fact, using stale bread is ideal for making a flavorful blueberry French toast casserole. It absorbs the egg mixture better, resulting in a deliciously custardy texture. If you don’t have stale bread on hand, you can create “stale” bread by toasting cubed bread in a low oven (300°F) for about 10 minutes.
How do I store leftovers?
Storing leftovers is simple! Just cover the casserole tightly with plastic wrap or foil and keep it in the fridge for up to 2-3 days. When you’re ready to enjoy it again, simply reheat individual portions in the microwave or warm the entire dish in a 350°F oven for about 20 minutes.
What can I substitute for blueberries?
Feel free to get creative! If you’re not a huge fan of blueberries, you can substitute with other fruits like strawberries, raspberries, or even thinly sliced apples during the fall season. Each alternative offers its unique flavor profile, making every breakfast a little different! For more fruit options, check out Healthline’s guide on berries.
Conclusion on Blueberry French Toast Casserole
In summary, this blueberry French toast casserole is a delightful dish that effortlessly brings comfort to your brunch table. With its easy prep and ability to serve a crowd, it’s perfect for gatherings. Don’t forget to experiment with toppings for a personalized touch that impresses every time!

Blueberry French Toast Casserole
Equipment
- 9×13-inch baking pan
- Mixing bowl
- Whisk
Ingredients
Main Ingredients
- 1 loaf French bread or brioche or challah (12–14 ounces/340–400g)
- 1 cup blueberries (fresh or frozen)
- 8 large eggs
- 2.25 cups whole milk (540ml)
- 0.5 teaspoon ground cinnamon
- 0.75 cup packed light brown sugar
- 1 Tablespoon pure vanilla extract (15ml)
Streusel Topping
- 0.33 cup packed brown sugar (light or dark)
- 0.33 cup all-purpose flour
- 0.5 teaspoon ground cinnamon
- 6 Tablespoons unsalted butter (cold and cubed)
Optional Toppings
- extra blueberries
- maple syrup
- confectioners’ sugar
Instructions
Preparation
- Grease a 9×13-inch pan with butter or nonstick spray. Slice, then cut the bread into cubes, about 1 inch in size. Spread cubes into the prepared baking pan and top evenly with blueberries.
- Whisk the eggs, milk, cinnamon, brown sugar, and vanilla together until no brown sugar lumps remain. Pour over the bread. Cover the pan tightly and refrigerate for 3–24 hours. Overnight is best.
- Preheat oven to 350°F (177°C). Remove pan from the refrigerator.
- Prepare the topping: Whisk the brown sugar, flour, and cinnamon together in a medium bowl. Cut in the cubed butter with a pastry blender or two forks. Sprinkle the topping over the soaked bread.
- Bake for 45–55 minutes or until golden-brown on top.
- Serve warm. Cover leftovers tightly and store in the refrigerator for 2–3 days.





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