This recipe for Pineapple Upside-Down Cake with Rum is perfect for those looking for a boozy dessert option. The cake is made with a topping of melted butter, brown sugar, and canned pineapple rings that are soaked in rum. The cake batter is made with basic ingredients like flour, sugar, eggs, and milk. The cake is baked in a single pan and then inverted onto a serving plate. The result is a deliciously sweet and moist cake with a hint of rum flavor. This cake is perfect for a special occasion or for anyone looking for a unique dessert option.