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Brown Sugar Banana French Toast Casserole

A decadent overnight-style breakfast bake featuring layers of bread, sliced bananas, and rich custard, all topped with a crunchy brown sugar streusel.
Print Recipe
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Servings: 12 slices
Course: Breakfast, Brunch
Cuisine: American
Calories: 480
Ingredients Equipment Method Notes

Ingredients
  

Casserole Base
  • 1 loaf French bread or Brioche cubed (about 10-12 cups)
  • 3-4 bananas sliced
Custard Mixture
  • 8 large eggs
  • 1.5 cups whole milk
  • 0.5 cup heavy cream
  • 0.5 cup brown sugar packed
  • 1 tbsp vanilla extract
  • 1 tsp ground cinnamon
Streusel Topping
  • 0.5 cup all-purpose flour
  • 0.5 cup brown sugar packed
  • 1 tsp cinnamon
  • 0.25 tsp salt
  • 0.5 cup unsalted butter cold and cubed
  • 0.5 cup pecans or walnuts chopped (optional)

Equipment

  • 9x13 Baking Dish
  • Whisk
  • Mixing bowls
  • Knife and cutting board

Method
 

  1. Grease a 9x13 inch baking dish. Arrange half of the cubed bread in the dish.
  2. Slice bananas and scatter them over the bread layer. Top with the remaining bread cubes.
  3. In a large bowl, whisk together eggs, milk, cream, 1/2 cup brown sugar, vanilla, and 1 tsp cinnamon until smooth.
  4. Pour the custard mixture evenly over the bread. Press down gently to soak. Cover and refrigerate for at least 30 minutes (or overnight).
  5. Preheat oven to 350°F (175°C).
  6. Prepare topping: Mix flour, 1/2 cup brown sugar, cinnamon, and salt. Cut in cold butter until crumbly. Stir in nuts if using.
  7. Sprinkle the topping evenly over the casserole.
  8. Bake for 45-55 minutes until golden brown and set in the center. Serve warm with syrup.

Notes

Cover with foil if the top browns too quickly while baking.