01 -
Preheat oven to 350°F (175°C) and grease a 9x13-inch baking dish.
02 -
In a large bowl, whisk together eggs, whole milk, heavy cream, brown sugar, vanilla extract, cinnamon, and salt until well combined.
03 -
Layer half of the bread cubes in the prepared baking dish, then arrange half of the banana slices on top.
04 -
Pour half of the egg mixture over the first layer, ensuring bread is evenly soaked. If using nuts, sprinkle half over this layer.
05 -
Repeat the process with remaining bread, banana slices, egg mixture, and nuts.
06 -
Gently press down on the casserole to ensure all bread is submerged. Cover with aluminum foil and refrigerate for at least 2 hours or overnight.
07 -
Remove the casserole from refrigerator and bake covered in the preheated oven for 30 minutes. Remove foil and bake for an additional 15-20 minutes until golden brown and puffed.
08 -
Let cool for 10 minutes before slicing. Serve warm with maple syrup drizzled over the top.