Can you imagine waking up to the smell of freshly baked French toast wafting through your home? Picture a warm, custardy casserole filled with rich, ripe bananas and crispy bread, all set to perfection. Overnight Baked Banana French Toast Casserole transforms your ordinary breakfast into a gourmet feast with minimal effort. This delightful dish is perfect for lazy Sunday mornings or when entertaining family and friends, offering a delicious way to start the day without requiring hours in the kitchen. Plus, it’s a fantastic make-ahead option, allowing you to prepare everything the night before and simply pop it in the oven when you’re ready to serve. Get ready to indulge in a breakfast that promises both flavor and comfort.
Why Make This Recipe
There are several compelling reasons to whip up this Overnight Baked Banana French Toast Casserole. First, it delivers a combination of flavors that perfectly balance sweetness and warmth, making each bite a true delight. The bananas caramelize in the oven, creating a rich and inviting contrast to the fluffy bread.
Next, the ease of preparation is a major perk. With just a few simple steps, you can assemble the casserole the night before, leaving you free to enjoy your morning without fussing over multiple pans and pots. Simply bake and serve!
Finally, this casserole is undoubtedly a crowd-pleaser. Whether you’re hosting brunch, having family over, or just treating yourself and your loved ones, this dish can easily feed a group, ensuring everyone starts their day with a smile.
How to Make Overnight Baked Banana French Toast Casserole
Ingredients
- 6 slices of bread, cubed
- 2 ripe bananas, sliced
- 4 eggs
- 2 cups milk
- 1/4 cup brown sugar
- 1 teaspoon vanilla extract
- 1 teaspoon cinnamon
- Pinch of salt
- Butter for greasing
- Maple syrup for serving (optional)
Helpful Note: For the best flavor, use slightly stale bread, like brioche or challah. If you cannot find these, any soft, hearty bread will work.
Directions
Grease: Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish with butter to prevent sticking. Make sure to cover all surfaces so the casserole comes out easily.
Layer Bread and Bananas: Place the cubed bread and sliced bananas evenly in the dish. Spread them out to ensure an even distribution of flavors.
Mix the Custard: In a medium bowl, whisk together the eggs, milk, brown sugar, vanilla extract, cinnamon, and a pinch of salt until fully combined. The mixture should be smooth and thoroughly mixed.
Combine: Pour the egg mixture over the bread and bananas. Use a spatula to gently press down, ensuring each piece is well coated with the custard mixture. The bread should absorb some of the liquid.
Refrigerate: Cover the dish with plastic wrap and refrigerate overnight. This allows the bread to soak up the egg mixture, creating a custardy interior.
Bake: Remove the casserole from the refrigerator and uncover. Bake in the preheated oven for 30-35 minutes, or until the top is golden brown and the casserole has set. It should bubble slightly at the edges and smell heavenly.
Serve: Allow it to cool for a few minutes before slicing. Serve warm, drizzled with maple syrup if desired, for an extra touch of sweetness.
How to Serve Overnight Baked Banana French Toast Casserole
For the best experience, serve the casserole hot out of the oven. Plating suggestions include a dusting of powdered sugar or sliced fresh bananas on top for a touch of elegance. Complement your dish with crispy bacon or sausage on the side for a savory contrast, and pair it with freshly brewed coffee or a mimosa for a delightful brunch celebration. A sprinkle of chopped nuts can add a crunchy texture and elevated presentation.
How to Store Overnight Baked Banana French Toast Casserole
To store leftovers, allow the casserole to cool completely, then transfer it to an airtight container. It will keep for 3-4 days in the refrigerator. If you’d like to freeze it, wrap individual portions in plastic wrap and then place them in a freezer-safe bag; it will last for about a month. To reheat, the oven is the best method—just warm at 350°F (175°C) until heated through, or you can use the microwave for a quick option. Be sure to check for any off-smells or discoloration before consuming.
Tips to Make Overnight Baked Banana French Toast Casserole
Use Stale Bread: The bread absorbs the custard better when it’s a day or two old.
Banana Mash-Up: For extra sweetness, mash one of the bananas into the custard.
Avoid Soggy Bread: Don’t skimp on letting the mixture sit overnight; this helps prevent sogginess.
Upgrade Your Bread: For a richer flavor, use cinnamon raisin or nutty whole grain bread.
Don’t Skip the salt: A small pinch enhances the flavors significantly.
Experiment with toppings: Top with nuts, berries, or even chocolate chips for variety.
Make it gluten-free: Use gluten-free bread and ensure your other ingredients are also certified gluten-free.
Fresh Herbs: For an unconventional twist, experiment with adding fresh mint or basil as a garnish.
Adjust Cooking Temperature: If you want a softer texture, reduce the baking temperature and cook a bit longer.
Repurpose Leftovers: Use leftover casserole in a smoothie or as a base for a bread pudding.
Variations
Vegan Delight: Substitute eggs for a flaxseed meal mixture (1 tbsp flaxseed + 2.5 tbsp water) and use almond milk or any non-dairy milk.
Protein Boost: Stir in some cooked sausage or bacon bits for a savory twist or add chopped nuts for protein.
Keto-Friendly: Use low-carb bread and a sugar substitute to make it suitable for a keto diet.
Spiced Up Version: Add a pinch of nutmeg or a splash of bourbon to enhance the flavor with a spiced kick.
Tropical Twist: Incorporate shredded coconut and pineapple for a Hawaiian flair.
FAQs
Can I make this ahead of time?
Absolutely! This casserole is designed to be made a day in advance. Assembling it the night before allows the bread to soak up the custard mixture, resulting in a richer flavor.
How do I store leftovers?
Once cooled, store the casserole in an airtight container in the refrigerator for up to four days. It’s a great make-ahead option!
Can I freeze this dish?
Yes, you can freeze leftovers! Wrap portions tightly in plastic wrap and store them in a freezer-safe bag for up to a month. Thaw in the refrigerator overnight before reheating.
What can I substitute for eggs?
You can use a flax egg (1 tbsp flaxseed meal mixed with 2.5 tbsp water) or store-bought egg replacer according to the package instructions.
How do I prevent burning?
To avoid burning the top, cover it with aluminum foil for the first half of the baking time, then remove it to let it brown.
Is this gluten-free?
To make it gluten-free, simply use gluten-free bread and check that none of your other ingredients contain gluten.
Can I double/halve this recipe?
Yes! Feel free to adjust the ingredients according to your needs, noting that cooking times may need to be slightly adjusted for larger or smaller portions.
What if I don’t have a 9×13 inch baking dish?
If you don’t have this size, you can use two smaller baking dishes to accommodate the mixture or use a larger dish, but keep an eye on the baking time.
Enjoy your culinary adventure with this comforting and delightful Overnight Baked Banana French Toast Casserole!

Overnight Baked Banana French Toast Casserole
Ingredients
Method
- Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish with butter to prevent sticking.
- Place the cubed bread and sliced bananas evenly in the dish.
- In a medium bowl, whisk together the eggs, milk, brown sugar, vanilla extract, cinnamon, and a pinch of salt until fully combined.
- Pour the egg mixture over the bread and bananas. Use a spatula to gently press down, ensuring each piece is well coated.
- Cover the dish with plastic wrap and refrigerate overnight.
- Remove the casserole from the refrigerator and uncover.
- Bake in the preheated oven for 30-35 minutes, or until golden brown and the casserole has set.
- Allow it to cool for a few minutes before slicing.
- Serve warm, drizzled with maple syrup if desired.