Katnip's Deep Dish Mouse Pie

Just as Katnip is slicing up some Pineapples to make Herman's cousins into a Hawaiian style "deep dish mouse pie," Herman discreetly hands him a grenade disguised to look like one of the pineapples, and by the time Katnip realizes what he is actually holding, it is already too late.

Example of:
Pineapple Surprise