01 - Preheat oven to 350°F. Lightly grease a 9x13-inch baking dish.
02 - Arrange sliced bananas evenly on the bottom of the prepared baking dish.
03 - Spread drained crushed pineapple evenly over the banana layer.
04 - Scatter halved maraschino cherries over the pineapple layer.
05 - Sprinkle the dry yellow cake mix evenly over the layered fruit. Do not mix.
06 - Distribute chocolate chips and chopped walnuts or pecans evenly over the cake mix.
07 - Evenly drizzle melted unsalted butter over the entire surface.
08 - Bake in the preheated oven for 35 to 40 minutes, until the top is golden and the edges are bubbling.
09 - Let cool slightly before serving. Top with whipped cream, extra cherries, and a drizzle of chocolate syrup, if desired.