Banana Bread French Toast Casserole
As an Amazon Associate I earn from qualifying purchases.
This Banana Bread French Toast Casserole is the kind of breakfast that feels like a hug in a bowl—warm, sweet, and oh-so-satisfying. I love making it for lazy weekends or when I’ve got a little extra banana bread hanging around that needs to be used up. It’s super easy to prep, and the rest time lets all those yummy flavors soak in. It’s the kind of dish that feels special but doesn’t take a ton of work, perfect for brunch with friends or cozy mornings at home. Plus, you can set it up the night before and just pop it in the oven the next day—easy!

Why You’ll Love Banana Bread French Toast Casserole
- Perfect for Busy Mornings: Prep it the night before, and you’ll have a hot, comforting breakfast waiting for you in the morning.
- Sweet and Satisfying: The banana bread adds a rich, sweet base, and the cinnamon gives it that cozy, fall flavor.
- Feeds a Crowd: Whether you’re hosting brunch or feeding the family, this casserole makes a generous serving.
- Minimal Effort: The prep is quick and easy, with no need to stand over a stovetop. Just assemble, let it soak, and bake.
- Great for Leftovers: If there’s any left, it tastes just as delicious the next day—perfect for breakfast or a snack.
Ingredients Needed To Make Banana Bread French Toast Casserole
Make sure you scroll down to the recipe card to see the full list of ingredients needed for this recipe.
- Banana bread slices
- Eggs
- Milk
- Vanilla extract
- Sugar
- Butter, melted
- Cinnamon
Oven Temperatures
Oven temperatures can vary significantly from one oven to another. To achieve consistent results, it’s crucial to know the exact temperature inside your oven. The safest and most accurate way to determine this is by using an oven thermometer. This simple tool can help you avoid underbaking or overbaking your treats.

How To Make Banana Bread French Toast Casserole
- Prepare the baking dish by greasing it.
- Mix the custard by whisking eggs, milk, vanilla, sugar, cinnamon, and melted butter together.
- Layer the banana bread slices in the dish and pour the egg mixture over them.
- Let it soak in the fridge overnight or for several hours.

- Bake the casserole in the oven until golden and set, then serve warm.

Commonly Asked Questions
How long should I let the casserole rest in the fridge before baking?
For the best results, let the casserole rest in the fridge overnight, or at least for several hours. This allows the banana bread to fully absorb the custard mixture and gives it time to develop a delicious flavor.
Can I use a different type of bread for this casserole?
While this recipe specifically uses banana bread, you can experiment with other types of bread, like brioche or challah, for a different twist. Keep in mind that the flavor and texture may vary.
How should I store leftovers?
If you have leftovers, simply cover the casserole with plastic wrap or foil and refrigerate. It’ll stay fresh for a couple of days. Just reheat it in the oven or microwave before serving.
Can I make this casserole ahead of time?
Yes, this casserole is perfect for making ahead. Just prep it the night before and let it soak in the fridge overnight. Then, bake it the next morning for a quick, easy breakfast.
How can I reheat the casserole?
To reheat, pop the casserole back in the oven for about 10-15 minutes at a low temperature until it’s warm. You can also microwave individual servings for a quicker option.
Can I freeze this casserole?
While it’s best served fresh, you can freeze it after baking. Just make sure it’s fully cooled before wrapping it tightly in plastic wrap and aluminum foil. When you’re ready to eat, let it thaw and reheat.
Can I adjust the sweetness of the casserole?
Absolutely! You can reduce the sugar if you prefer a less sweet breakfast, or add a drizzle of syrup or honey when serving for extra sweetness.
Banana Bread French Toast Casserole
Equipment
- 7x10x3” deep baking dish
- Nonstick spray or butter
- Plastic wrap or foil (for overnight soaking)
Ingredients
- 1 loaf banana bread sliced (approx. 4-5 cups cubed)
- 5 eggs
- 1 ¾ cups milk
- 2 tsp vanilla extract
- ¾ cup sugar
- 6 tbsp butter melted
- ½ tsp cinnamon
Instructions
Prep the Dish
- Spray a 7x10x3” baking dish with nonstick spray or butter.
Mix the Custard
- In a large mixing bowl, whisk together eggs, milk, vanilla, sugar, cinnamon, and melted butter.
Assemble the Casserole
- Arrange banana bread slices in the prepared baking dish.
- Pour the egg mixture evenly over the bread, ensuring every piece is soaked.
Rest & Soak
- Cover and refrigerate for at least 8 hours (overnight for best results).
Bake & Serve
- Preheat oven to 375°F.
- Bake uncovered for 40 minutes, or until golden brown and set in the center.
- Serve warm and enjoy!
Nutrition
This Banana Bread French Toast Casserole is the perfect way to start your day with something comforting and delicious. The banana bread adds a rich flavor that pairs so well with the custard and cinnamon. Plus, it’s easy to make ahead, which makes it a total win for busy mornings or brunch with friends. I can’t wait for you to try it – it’s sure to be a new favorite!

