01 - Preheat oven to 350°F. Grease a 9x13-inch baking dish with butter or cooking spray.
02 - Spread bread cubes evenly in prepared dish. Arrange 3 sliced bananas over the bread.
03 - Whisk together eggs, milk, cream, granulated sugar, vanilla, cinnamon, and salt in large bowl until fully combined.
04 - Pour custard mixture evenly over bread and bananas. Gently press bread down to absorb liquid. Let stand 15 minutes.
05 - Bake 45-50 minutes until golden brown and set with slight wobble in center. Remove from oven and cool slightly.
06 - Melt butter in skillet over medium heat. Add brown sugar and cinnamon, stirring until sugar dissolves completely.
07 - Add sliced bananas to skillet. Cook 1-2 minutes until softened. Carefully add rum, return to heat, and cook 1 minute. Stir in vanilla and salt.
08 - Spoon warm bread pudding into bowls and top with generous amounts of Bananas Foster sauce.