There’s something undeniably comforting about the warm, sweet aroma of Brioche French Toast Casserole wafting through the kitchen. Picture this: a cozy Sunday morning, maple syrup drizzling down soft, fluffy brioche, and a sprinkle of cinnamon dancing in the air—a perfect foundation for a leisurely brunch with family and friends.
I stumbled upon this delightful recipe when I found myself staring at a loaf of day-old brioche that was begging to be transformed. With just a few simple ingredients, I could create a show-stopping dish that feels decadent yet is surprisingly easy to prepare. The magic lies in letting the brioche soak overnight, allowing all those rich flavors to meld together.
Whether you’re looking to impress guests or simply treat yourself on a lazy weekend, this casserole pie will undoubtedly take your brunch game to new heights. Ready to dive into a dish that’s both delightful and satisfying? Let’s get started!
Why is Brioche French Toast Casserole a Must-Try?
Irresistibly delicious: Each bite offers a heavenly blend of sweet brioche, creamy custard, and warming spices.
Effortless prep: With a quick 15-minute assembly, you can set it in the fridge overnight and let it work its magic while you relax.
Crowd-pleaser: Perfect for family gatherings or brunch parties, it promises to impress everyone with its stunning presentation and delectable taste.
Customize your way: Add your favorite fruits, nuts, or even a hint of chocolate to make it uniquely yours.
Crispy topping: A light sprinkle of sugar before baking creates a delightful golden crust that contrasts beautifully with the soft interior.
With all these delightful elements, your mornings will be transformed into a tasty celebration!
Brioche French Toast Casserole Ingredients
For the Casserole
• Brioche – 8 slices of day-old brioche create the perfect texture to soak up the custard.
• Unsalted Butter – 1 tablespoon, melted – it helps create a deliciously coated casserole dish.
• Whole Milk – 1 ½ cups – adds creaminess to your custard mixture.
• Heavy Cream – ½ cup – enhances richness, making your casserole decadent.
• Large Eggs – 6, whisked – they play a vital role in binding everything together.
• Vanilla Extract – 1 tablespoon – infuses the dish with warm, aromatic flavor.
• Coconut Sugar – ½ cup, or brown sugar – provides a subtle sweetness and a hint of caramel flavor.
• Ground Cinnamon – 1 teaspoon – adds a warm, comforting spice that’s perfect for breakfast.
• Ground Nutmeg – ¼ teaspoon – enhances the overall flavor with a sweet hint of warmth.
• Kosher Salt – a pinch – balances the sweetness and enhances every flavor.
Optional Toppings
• Strawberries – 1 cup, halved – fresh berries add a vibrant pop of flavor and color.
• Sliced Almonds – ½ cup, or any other nuts – provides a delightful crunch to contrast the soft casserole.
This irresistible Brioche French Toast Casserole is a delightful dish that transforms ordinary mornings into extraordinary feasts.
How to Make Brioche French Toast Casserole
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Cube the Bread: Start by slicing the day-old brioche into 1-inch cubes. This will give your casserole the perfect texture to absorb that delicious custard!
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Prepare the Dish: Brush a 9X13 casserole dish with melted butter, ensuring every corner is covered. This will help prevent sticking and enhance flavor.
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Mix the Custard: In a large mixing bowl, whisk together the whole milk, heavy cream, eggs, vanilla extract, coconut sugar, ground cinnamon, ground nutmeg, and a pinch of salt. Mix until fully combined, creating a rich custard.
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Soak the Cubes: Pour the custard mixture over the cubed brioche, gently pressing down to ensure all pieces are soaked. This ensures each bite is bursting with flavor.
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Refrigerate: Cover the dish with plastic wrap and refrigerate for at least 2 hours, or ideally overnight. This step allows the bread to soak up the custard goodness thoroughly.
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Preheat the Oven: When you’re ready to bake, preheat your oven to 350°F (176°C). This will create the perfect environment for your casserole to rise and set.
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Add Toppings: Remove the plastic wrap and, if desired, top with halved strawberries and a sprinkle of sliced almonds for added crunch and sweetness.
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Bake: Place the casserole in the oven and bake for 45-50 minutes. You’ll know it’s done when the top is lightly golden brown and the center is just set.
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Cool Before Serving: Let your casserole cool for about 10-15 minutes before serving. This will help it hold its shape and makes for easier cutting.
Optional: Serve with a drizzle of maple syrup for an extra sweet touch!
Exact quantities are listed in the recipe card below.
What to Serve with Brioche French Toast Casserole?
To complete your brunch experience, consider delightful sides and beverages that enhance the sweetness of this dish.
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Maple Syrup: A classic pairing, its rich sweetness drizzled over the casserole balances the creamy custard beautifully. It’s the perfect companion for every bite!
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Fresh Berries: A medley of raspberries, blueberries, or blackberries introduces vibrant flavors and a juicy burst, brightening the palate. Their tartness complements the sweetness exquisitely.
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Crispy Bacon: The salty crunch of crispy bacon contrasts with the soft casserole, creating a wonderful balance of flavors. Think of that harmonious combination—sweet meets savory!
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Whipped Cream: A dollop of lightly sweetened whipped cream adds a luxurious touch and delightful creaminess, elevating each serving to new heights.
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Yogurt Parfait: Layered yogurt with granola and fruit adds a refreshing crunch and tanginess. This brightens the meal with an extra layer of flavor and texture that guests will love.
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Coffee or Tea: A steaming cup of coffee or tea offers warmth that pairs perfectly with the sweet notes of the casserole. It sets a cozy ambiance for your leisurely brunch.
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Pastry Baskets: Croissants or danishes provide flaky goodness to the meal, adding variety and a touch of elegance to your brunch spread.
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Orange Juice Mimosa: A refreshing mimosa made with sparkling wine and fresh-squeezed orange juice adds a bright and bubbly element, rounding out the meal beautifully.
With these delightful options, your Brioche French Toast Casserole becomes the star of a charming and memorable brunch!
Brioche French Toast Casserole Variations
Feel free to make this delightful dish uniquely yours with these fun and tasty twists!
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Gluten-Free: Substitute brioche with gluten-free bread to create a gluten-friendly option everyone can enjoy. Just ensure the bread is sturdy enough to hold up when soaked!
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Vegan Delight: Replace eggs with a flaxseed mixture (1 tablespoon ground flaxseed + 3 tablespoons water per egg) and use almond milk with coconut cream for a delicious vegan version that’s still creamy and satisfying.
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Add Chocolate: Stir in ½ cup of mini chocolate chips into the custard for a sweet surprise in every bite. The gooey chocolate adds a lovely richness that pairs perfectly with the brioche.
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Fruity Twist: Incorporate other fruits like blueberries or sliced bananas for an extra burst of flavor. Combining various fruits not only enhances taste but also adds color to your presentation.
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Nutty Flavor: Substitute sliced almonds with walnuts or pecans to change up the nutty crunch. Nuts add a delightful texture contrast and elevate the overall flavor profile.
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Cinnamon Roll Influence: Incorporate a swirl of cinnamon sugar between the layers before soaking for a cinnamon roll-inspired treat. Just mix ¼ cup sugar with 2 teaspoons cinnamon and sprinkle it generously!
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Spicy Kick: Add 1/4 teaspoon cayenne pepper or a splash of hot sauce to the custard for a surprising kick. This slight heat balances wonderfully with the sweetness of the brioche.
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Cream Cheese Swirls: Add dollops of softened cream cheese in between the layers before soaking for a rich, creamy surprise. This twist enhances the texture and makes each slice indulgently creamy!
With these variations, each time you prepare this Brioche French Toast Casserole, it can taste entirely new! Enjoy the creative process!
Make Ahead Options
These Brioche French Toast Casserole preparations are perfect for busy cooks eager to enjoy a delightful breakfast without the hassle on the day! You can prepare the entire casserole up to 24 hours in advance. Simply assemble the dish as instructed, cover it tightly with plastic wrap, and refrigerate overnight to ensure the brioche absorbs the custard fully. If you plan to enjoy it later in the week, you can also freeze the unbaked casserole for up to 3 days; just remember to thaw it in the fridge overnight before baking. When you’re ready to serve, top with strawberries and almonds, then bake to golden perfection for a breakfast that’s just as delicious as if made fresh!
How to Store and Freeze Brioche French Toast Casserole
Fridge: Store leftover casserole in an airtight container for up to 3 days. Reheat individual portions in the microwave or oven until warmed through.
Freezer: For longer storage, wrap the cooled casserole tightly in plastic wrap followed by aluminum foil, and freeze for up to 3 months.
Thawing: When ready to enjoy, thaw in the fridge overnight, then reheat in the oven at 350°F (176°C) until warm.
Serving Suggestions: Consider serving with a fresh drizzle of maple syrup or a sprinkle of powdered sugar once reheated for added flavor.
Expert Tips for Brioche French Toast Casserole
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Use Day-Old Bread: Day-old brioche has the right texture and density to absorb the custard without becoming mushy, resulting in a perfectly fluffy casserole.
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Chill Overnight: For best results, let your casserole sit in the fridge overnight. This allows the flavors to meld beautifully and ensures every bite is packed with deliciousness.
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Don’t Overbake: Keep an eye on the casserole while it bakes. Overbaking can lead to a dry texture, so aim for a lightly golden top with a custardy center.
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Add Extra Flavors: Feel free to enhance the custard with additional spices like cardamom or vanilla bean. This gives your Brioche French Toast Casserole a delightful personal twist.
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Serve Warm: Allow the casserole to cool for a few minutes, but serve it warm. It’s at its best, with a contrast of crispy topping and soft, gooey interior.
With these tips, your mornings will be filled with cozy comfort and delicious flavors!
Brioche French Toast Casserole Recipe FAQs
What type of brioche should I use for the casserole?
Absolutely! For this Brioche French Toast Casserole, using day-old brioche is ideal. The slight staleness allows the bread to soak up the custard without becoming overly mushy. Fresh brioche will also work, but day-old brioche gives the best texture and flavor.
How should I store leftovers from the casserole?
After enjoying your delicious casserole, store any leftovers in an airtight container in the fridge for up to 3 days. When you’re ready to indulge again, simply reheat individual portions in the microwave or place them in the oven until warmed through. This way, you can effortlessly enjoy the cozy flavors again!
Can I freeze the Brioche French Toast Casserole?
Very! To freeze, allow the casserole to cool completely, then wrap it tightly in plastic wrap followed by aluminum foil. This method helps prevent freezer burn. You can enjoy it for up to 3 months. When you’re ready to enjoy, simply transfer it to the fridge to thaw overnight, then reheat in the oven at 350°F (176°C) until warmed through, and you’ll have a delightful breakfast waiting for you!
What can I do if my casserole turns out too dry?
If you find your casserole on the dry side, it may have been overbaked. To prevent this next time, make sure to keep an eye on the baking time, aiming for that perfect golden top while ensuring the center remains custardy. If your casserole is already dry, you can drizzle some warmed heavy cream or milk over individual servings before enjoying. This will add moisture and enhance the overall flavor.
Does this recipe accommodate dietary restrictions?
For sure! If you have allergies to specific ingredients, consider swapping coconut sugar with brown sugar or using dairy alternatives like almond milk and coconut cream instead of whole milk and heavy cream. Just keep in mind that dairy-free products may yield different results in texture and creaminess. Additionally, be cautious with nuts; if serving to guests with nut allergies, feel free to omit them completely.
How long do I need to let the casserole chill in the fridge?
Ideally, allow the casserole to chill in the fridge for at least 2 hours, but for the best flavor, letting it sit overnight (up to 8 hours) is recommended. This not only allows the brioche to soak in all that delicious custard but also melds the flavors together beautifully, resulting in a more cohesive and delightful dish.

Decadent Brioche French Toast Casserole for Cozy Mornings
Ingredients
Equipment
Method
- Cube the Bread: Start by slicing the day-old brioche into 1-inch cubes.
- Prepare the Dish: Brush a 9X13 casserole dish with melted butter.
- Mix the Custard: In a large mixing bowl, whisk together the whole milk, heavy cream, eggs, vanilla extract, coconut sugar, ground cinnamon, ground nutmeg, and a pinch of salt.
- Soak the Cubes: Pour the custard mixture over the cubed brioche, gently pressing down to ensure all pieces are soaked.
- Refrigerate: Cover the dish with plastic wrap and refrigerate for at least 2 hours, or ideally overnight.
- Preheat the Oven: Preheat your oven to 350°F (176°C).
- Add Toppings: Remove the plastic wrap and, if desired, top with halved strawberries and a sprinkle of sliced almonds.
- Bake: Place the casserole in the oven and bake for 45-50 minutes.
- Cool Before Serving: Let your casserole cool for about 10-15 minutes before serving.







