# The Ingredients You'll Need:
→ Bread Base
01 - 1 large loaf brioche or challah bread, cut into 1-inch cubes
02 - 2 medium ripe bananas, mashed
03 - 6 large eggs
04 - 1.5 cups whole milk
05 - 0.5 cup heavy cream
06 - 0.5 cup light brown sugar
07 - 0.25 cup granulated sugar
08 - 2 teaspoons vanilla extract
09 - 2 teaspoons ground cinnamon
10 - 0.25 teaspoon ground nutmeg
11 - 0.25 teaspoon fine sea salt
→ Cream Cheese Swirl
12 - 8 ounces cream cheese, softened
13 - 3 tablespoons granulated sugar
14 - 1 large egg yolk
15 - 1 teaspoon vanilla extract
→ Cinnamon Sugar Topping
16 - 2 tablespoons unsalted butter, melted
17 - 0.33 cup light brown sugar
18 - 1 tablespoon ground cinnamon
# Step-by-Step Instructions:
01 - Grease a 9x13-inch baking dish with butter or nonstick spray.
02 - Arrange half of the cubed bread evenly in the prepared dish.
03 - In a large bowl, whisk together mashed bananas, eggs, milk, heavy cream, brown sugar, granulated sugar, vanilla extract, cinnamon, nutmeg, and salt until smooth and well combined.
04 - Pour half of the custard mixture over the bread cubes and press gently to ensure even soaking.
05 - In a medium bowl, beat softened cream cheese with sugar, egg yolk, and vanilla extract until smooth and creamy.
06 - Dollop the cream cheese mixture by spoonfuls over the soaked bread layer.
07 - Top with remaining bread cubes and pour the remaining custard over the entire casserole. Gently press to ensure all bread is thoroughly moistened.
08 - Mix melted butter with brown sugar and cinnamon, then drizzle or dot evenly over the casserole surface.
09 - Cover tightly with plastic wrap or aluminum foil and refrigerate overnight, minimum 6 hours, ideally 8 hours.
10 - Preheat oven to 350°F when ready to bake. Remove casserole from refrigerator while oven reaches temperature.
11 - Bake uncovered for 40 to 45 minutes until puffed and golden brown, with a knife inserted in the center coming out clean.
12 - Cool for 10 to 15 minutes before serving. Serve warm, optionally garnished with maple syrup or powdered sugar.