Overnight Baked Banana French Toast Casserole Recipe
This Overnight Baked Banana French Toast Casserole is a delicious and convenient breakfast option where chunks of sourdough or French bread are soaked overnight in a creamy mixture of eggs, milk, and bananas. Baked the next day with a buttery brown sugar cinnamon streusel topping, it offers a rich, comforting dish perfect for mornings or brunch gatherings.
- Author: Maya
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 8 hours 5 minutes
- Yield: 8 servings 1x
- Category: Breakfast Casserole
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Casserole Base
- 1 lb loaf Sourdough Or French Bread, cut into chunks
- 8 large eggs
- 2 cups (480ml) milk (whole or 2%)
- 1/2 cup (120ml) heavy whipping cream
- 1/2 cup (104g) sugar
- 1/4 cup (36g) light brown sugar, unpacked
- 2 tsp vanilla extract
- 1 1/2 tsp ground cinnamon
- 6–7 medium sized bananas, chopped
Streusel Topping
- 3/4 cup (98g) all-purpose flour
- 3/4 cup (169g) firmly packed brown sugar
- 1 tsp cinnamon
- 1/2 cup (112g) salted butter, cut into pieces
- Prepare Casserole Dish: Grease a 9×13 inch casserole dish thoroughly to prevent sticking.
- Prepare Bread: Place chunks of sourdough or French bread into a large bowl and set aside.
- Mix Wet Ingredients: In a separate large bowl, whisk together the eggs, milk, heavy cream, white sugar, light brown sugar, vanilla extract, and ground cinnamon until fully combined.
- Combine Bread and Wet Mixture: Pour the egg mixture over the bread chunks, then add the chopped bananas. Gently stir to ensure everything is evenly coated and combined without breaking the bananas too much.
- Soak Overnight: Transfer the bread and egg mixture into the prepared casserole dish, spreading it evenly. Cover the dish with plastic wrap or a lid and refrigerate overnight to allow the bread to absorb the custard.
- Preheat Oven: When ready to bake, preheat your oven to 350°F (176°C).
- Bake Casserole: Bake the soaked bread mixture uncovered for about 35-40 minutes, or until the custard is set and the top is lightly golden.
- Prepare Streusel: While the casserole bakes, mix together the all-purpose flour, brown sugar, and cinnamon in a bowl. Add the pieces of salted butter and use your fingers or a pastry cutter to mash the butter into the dry ingredients until a crumbly streusel forms.
- Add Streusel Topping: Once the casserole is nearly done, remove it from the oven and evenly sprinkle the streusel topping over the surface.
- Finish Baking: Return the casserole to the oven and bake for an additional 5 minutes, or until the streusel is melted, lightly browned, and crisp on top.
- Serve: Remove from the oven and serve warm, optionally with syrup or your favorite breakfast toppings.
Notes
- Use day-old or slightly stale bread for best absorption; fresher bread may become too soggy.
- Bananas will add natural sweetness and moisture; ripe bananas work best for a richer flavor.
- The casserole can be assembled the night before and refrigerated to save time in the morning.
- For a dairy-free option, substitute milk and heavy cream with plant-based alternatives.
- Enjoy with maple syrup, honey, or powdered sugar for added sweetness.
Keywords: banana french toast casserole, overnight breakfast casserole, baked french toast, banana breakfast bake, brunch recipe