Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.
Arrange bananas on bottom, top with crushed pineapple and cherry filling.
Sprinkle dry cake mix evenly over fruit layers.
Drizzle melted butter across top, covering as much as possible.
Sprinkle walnuts and chocolate chips evenly.
Bake for 40 minutes until top is golden brown.
Cool slightly and top with whipped cream and cherries.
