Preheat oven to 350F. Lightly grease a 9x13 baking pan. Set aside.
In a small bowl, whisk melted butter, sugar, and cinnamon until smooth. Set aside.
In a large bowl, whisk milk, cream, eggs, and vanilla until smooth. Fold in bread cubes then evenly spread mixture into prepared pan.
Use a spoon to swirl cinnamon-sugar mixture throughout bread pudding. Arrange sliced bananas on top. Bake bread pudding at 350F 30-35 minutes or until custard is set and top is slightly golden brown. Cool slightly on a wire cooling rack.
Make the glaze: In a small bowl, whisk glaze ingredients until smooth. Drizzle over warm bread pudding and let stand 10 minutes to set. Serve bread pudding warm and enjoy!