Creating the Banana Split Dump Cake is straightforward if you follow these simple steps:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Prepare the Baking Dish: Grease a 9×13-inch baking dish with non-stick cooking spray or butter.
3. Layer Bananas: Spread the sliced bananas evenly across the bottom of the dish.
4. Add Pineapple: Layer the drained crushed pineapple over the bananas.
5. Drizzle Chocolate Syrup: Pour the chocolate syrup generously over the pineapple layer.
6. Add Nuts and Coconut (Optional): If using nuts and shredded coconut, sprinkle them evenly on top.
7. Sprinkle Cake Mix: Evenly distribute the dry yellow cake mix over the top layer. Do not stir.
8. Pour Melted Butter: Drizzle the melted butter evenly over the cake mix layer.
9. Bake: Place the dish in the preheated oven and bake for 40-50 minutes or until the top is golden and bubbly.
10. Cool: Once baked, remove from the oven and allow to cool for 10-15 minutes.
11. Serve: Top with maraschino cherries and whipped cream if desired before serving.

These straightforward steps ensure that your Banana Split Dump Cake is prepared effortlessly.