Begin by peeling the banana and slicing it lengthwise into two even halves. Arrange the slices along the sides of a long, narrow serving dish, creating a cradle for the ice cream scoops.
Nestle the scoops of vanilla, chocolate, and strawberry ice cream in a neat row between the banana halves, allowing each flavor to shine in its own section.
Generously drizzle the pineapple sauce—or spoon over the fresh diced pineapple—on top of the vanilla ice cream. Over the chocolate scoop, pour the chocolate syrup or hot fudge for a rich, decadent layer. Finish by spooning the strawberry sauce or chopped fresh strawberries over the strawberry ice cream.
Crown each scoop with a swirl of whipped cream and place a maraschino cherry on top of each dollop. Sprinkle chopped nuts over the entire dish for a final touch of crunch and flavor. Serve immediately for the perfect classic dessert experience.