01 - Preheat oven to 350°F. Lightly grease a 9x13-inch baking dish.
02 - Arrange sliced bananas evenly over the bottom of the prepared dish.
03 - Spread drained crushed pineapple evenly over the banana layer.
04 - Scatter halved maraschino cherries over the pineapple layer.
05 - Sprinkle the entire dry yellow cake mix evenly over the fruit layers without mixing.
06 - Distribute chocolate chips and chopped walnuts or pecans evenly over the cake mix.
07 - Evenly drizzle melted unsalted butter across the surface.
08 - Bake for 35 to 40 minutes, or until the top is golden and edges are bubbling.
09 - Allow to cool slightly before serving. Garnish with whipped cream, additional cherries, and chocolate syrup, if desired.