Try this Banana Split Fluff Salad recipe.
Undrained crushed pineapple carries the exact moisture needed to hydrate the instant pudding mix without adding liquid, but excess juice will break down the emulsifiers in the whipped topping if not combined thoroughly first. Blending the dry pudding powder directly into the un-drained fruit ensures a smooth base before any aerated ingredients enter the bowl.
Small kitchen spaces present storage challenges when handling bowls wider than 10 inches; transfer the mixture into two smaller quart-sized containers to fit efficiently onto crowded refrigerator shelves. Proper refrigeration halts the degradation of the delicate emulsion while yielding a stable, cohesive texture.