Bananas Foster French Toast Casserole

Weekend brunches deserve a centerpiece that turns a casual morning into a culinary celebration, and few dishes capture that feeling like this Bananas Foster French Toast Casserole. While traditional French toast demands your full attention at the stovetop, flipping slice after slice, this recipe takes that rich, caramelized magic and transforms it into an effortless, crowd-pleasing bake.

Looking for another breakfast or breakfast casserole idea? Try out my Sweet Potato Pancakes, Light & Fluffy Lemon Ricotta Pancakes, Cheesy Hashbrown Casserole, and Turkey Hash Brown Breakfast Casserole!

The sweet spot is the contrast between a silky, custard-soaked interior and a crisp, buttery surface. We start with hearty, cubed French bread that soaks in a decadent custard base enriched with heavy whipping cream, evaporated milk, whole eggs, and warm baking spices.

Then, we layer in a homemade Bananas Foster caramel—ripe bananas simmered directly in melted butter, brown sugar, pure vanilla, and cream until glossy and fragrant. Crowned with a sweet cinnamon crumble that bakes to a golden crunch, this dish delivers all the decadence needed for a Sunday brunch with the convenience of an easy overnight bake.

Bananas Foster is a traditional New Orleans dessert created in 1951; it takes bananas and flambés them in butter, brown sugar, cinnamon, rum, and banana liqueur—and let’s not forget the dollop of vanilla ice cream. I still crave this dessert every time I visit home.

Ingredients you’ll need to make Bananas Foster French Toast Casserole:

The Custard & Bread Foundation

• French Bread Loaf: A sturdy, thick-crusted bread that holds its shape without disintegrating while absorbing the heavy custard.
• Organic Eggs: The primary binding agent, providing structural lift and a rich, custardy crumb as it bakes.
• Whipping Cream and Evaporated Milk: Keep the bread moist and rich without becoming watery.
• Granulated Sugar and Brown Sugar: Granulated sugar sweetens cleanly, while brown sugar adds moisture and subtle molasses depth.
• Vanilla Extract and Ground Cinnamon: Essential spices that round out the egg-heavy custard.

The Bananas Foster Sauce

• Ripe Bananas: Soft, sweet fruit with high natural sugars that caramelize quickly in the pan.
• Butter: The base that creates a rich sauce emulsion with the sugars.
• Brown Sugar and Granulated Sugar: Melts into the butter to form a glossy, traditional caramel lacquer.
• Whipping Cream: Stops the caramelization process, loosening the sauce into a smooth, pourable sauce.
• Ground Cinnamon and Vanilla Extract: Classic Bananas Foster spices that tie the bananas to the custard.

The Crumble Topping

• All-Purpose Flour: Provides dry structure for the streusel crumbs.
• Brown Sugar: Caramelizes under direct oven heat to create crunchy granules.
• Butter: Binds the flour and sugar into distinct, pea-sized buttery clusters.
• Ground Cinnamon: Reinforces the warm spice profile across the top crust.

How to make French Toast Casserole:

Prep the Bread: Grease a 9×13-inch baking dish with butter or nonstick cooking spray. Set aside. Cut the French bread loaf into cubes and set aside.

Note: If you are using fresh bread, cut the French bread loaf into uniform 1-inch cubes. Spread the cubes across a large baking sheet (paid link) and bake for 8 to 10 minutes at 350°F until slightly dry and stale to the touch (do not brown). Let cool.

Whisk (paid link) the Custard: In a large mixing bowl, combine the large organic eggs, whipping cream, evaporated milk, granulated sugar, brown sugar, vanilla extract, and ground cinnamon. Whisk (paid link) vigorously until the mixture is uniform, silky, and the sugars are completely dissolved. Set aside.

Cook the Bananas Foster Sauce: Place a large skillet over medium heat and melt the butter. Add the brown sugar and granulated sugar, stirring for 2 to 3 minutes until the sugar dissolves into the bubbling butter. Cut the bananas into ½-inch slices and add them to the pan along with the ground cinnamon. Sauté for 2 minutes until tender. Pour in the whipping cream, stirring gently until a glossy, creamy sauce forms. Remove from heat and stir in the vanilla extract.

Layer the Casserole: Place half of the dried French bread cubes into the bottom of the prepared 9×13-inch dish. Pour half the custard evenly over the bread, then spoon half the warm Bananas Foster sauce over the top. Repeat with the remaining bread, pour over the remaining custard, and finish with the remaining Bananas Foster sauce.

Press and Chill: Using the back of a large spatula (paid link), gently press the bread cubes down into the custard so every piece absorbs liquid. Cover the dish tightly with foil and refrigerate for at least 2 to 4 hours (refrigerating overnight, 8 to 12 hours, produces the best results).

Make the Crumble Topping: In a small bowl, combine the all-purpose flour, brown sugar, ground cinnamon, and softened butter. Work the mixture with a fork or your fingertips until crumbly and pea-sized. Set aside.

Bake: Preheat your oven to 350°F. Remove the casserole from the refrigerator, uncover, and scatter the crumble topping evenly over the surface. Bake uncovered for 45 to 50 minutes, or until the top is deep golden-brown, the edges are bubbling, and the center is set (a knife inserted in the center should come out moist but clean of raw egg).

Rest and Serve: Let the casserole cool on a wire rack for 10 minutes to allow the custard to set firmly before slicing. Serve warm with pure maple syrup.

Tips & Tricks

• The Stale Bread Rule: Fresh, soft bread turns to mush in a casserole. Lightly toasting your bread cubes in the oven evaporates surface moisture, allowing the bread to act like a sponge that drinks up the custard without collapsing.
• Bread Variations: Brioche, challah, or day-old sourdough make exceptional structural swaps for French bread.
• Traditional Boozy Kick: Add 2 tablespoons of dark rum or banana liqueur to the Bananas Foster sauce right after removing it from the heat for authentic New Orleans flair.
• Nutty Crunch: Fold ½ cup of toasted chopped pecans or walnuts directly into the crumble topping.
• Make-Ahead Strategy: Assemble the entire casserole (through Step 5) the night before and refrigerate overnight. Make the crumble topping separately, store it in an airtight container at room temperature, and sprinkle it over the casserole right before baking so the butter doesn’t dissolve into the wet bread.
• Storage & Reheating: Store baked leftovers tightly covered in the refrigerator for up to 4 days. Reheat individual portions in the microwave for 45 to 60 seconds, or cover the baking dish with foil and warm in a 325°F oven for 15 to 20 minutes to restore the crisp crumble.
• Freezing: You can freeze the fully baked and cooled casserole. Wrap the entire pan tightly in plastic wrap and aluminum foil, then freeze for up to 2 months. Thaw completely in the refrigerator overnight before warming in a 350°F oven.

When you want to make a big impression on the family for breakfast time, give this Bananas Foster French Toast Casserole a spot on your breakfast table, and you will not be disappointed. This breakfast item is not only great for breakfast, but also as a late-night dessert. 🙂

Bananas Foster French Toast Casserole

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Bake the ultimate Bananas Foster French Toast Casserole! A decadent overnight brunch bake featuring caramelized bananas, rich custard, and a crisp crumble topping.

• Total Time: 1 hour
• Yield: 10 1x

Ingredients

Units USM Scale 1/2x1x2x3x

Bread and Custard:

• 1 lb day-old French bread loaf
• 8 large organic eggs
• 2 cups heavy whipping cream
• 1/3 cup sugar
• 1/3 cup brown sugar
• 1/2 cup evaporated milk
• 1 tbsp vanilla extract
• 1/2 tsp ground cinnamon

Bananas Foster Sauce:

• 1/2 cup butter
• 1/3 cup sugar
• 1/3 cup brown sugar
• 3 ripe bananas, sliced
• 1/4 tsp ground cinnamon
• 1/4 cup heavy whipping cream
• 1/2 tsp vanilla extract

Crumble Topping:

• 1/3 cup all-purpose flour
• 1/2 tsp ground cinnamon
• 3 tbsp butter, softened

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Instructions

1. Grease a 9×13-inch baking dish with butter or nonstick cooking spray. Set aside. Cut the French bread loaf into cubes and set aside.
2. In a large mixing bowl, combine the large organic eggs, heavy whipping cream, evaporated milk, granulated sugar, brown sugar, vanilla extract, and ground cinnamon. Whisk (paid link) vigorously until the mixture is uniform, silky, and the sugars are completely dissolved. Set aside.
3. Place a large skillet over medium heat and melt the butter. Add the sugar and brown sugar, stirring for 2 to 3 minutes until the sugar dissolves into the bubbling butter. Add the sliced bananas and ground cinnamon to the pan. Sauté for 2 minutes until tender. Pour in the whipping cream and stir gently until a glossy, creamy sauce forms. Remove from heat and stir in the vanilla extract.
4. Place half of the dried French bread cubes into the bottom of the prepared 9×13-inch dish. Pour half the custard evenly over the bread, then spoon half the warm Bananas Foster sauce over the top. Repeat with the remaining bread, pour over the remaining custard, and finish with the remaining Bananas Foster sauce.
5. Using the back of a large spatula (paid link), gently press the bread cubes down into the custard so every piece absorbs liquid. Cover the dish tightly with foil and refrigerate for at least 2 to 4 hours (refrigerating overnight, 8 to 12 hours, produces the best results).
6. In a small bowl, combine the all-purpose flour, brown sugar, ground cinnamon, and softened butter. Work the mixture with a fork or your fingertips until crumbly and small, with pea-sized clusters. Set aside.
7. Preheat your oven to 350°F. Remove the casserole from the refrigerator, uncover, and scatter the crumble topping evenly over the surface. Bake uncovered for 45 to 50 minutes, or until the top is deep golden-brown, the edges are bubbling, and the center is set (a knife inserted in the center should come out moist but clean of raw egg).
8. Let the casserole cool on a wire rack for 10 minutes to allow the custard to set firmly before slicing. Serve warm with pure maple syrup.

Equipment

Whisk

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Glass Bowls

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12-Inch Skillet

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Casserole Dish

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(paid link)

Notes

If you are using fresh bread, cut the French bread loaf into uniform 1-inch cubes. Spread the cubes across a large baking sheet (paid link) and bake for 8 to 10 minutes at 350°F until slightly dry and stale to the touch (do not brown). Let cool.

• Author: Eric Jones
• Prep Time: 10 minutes
• Cook Time: 50 minutes
• Category: Breakfast
• Method: Oven Baked
• Cuisine: American

Nutrition

• Serving Size: 1 serving
• Calories: 585
• Sugar: 37 g
• Sodium: 380 mg
• Fat: 33 g
• Saturated Fat: 19 g
• Trans Fat: 0.7 g
• Carbohydrates: 64 g
• Fiber: 2.5 g
• Protein: 10 g
• Cholesterol: 235 mg