"This banana tarte tatin recipe is an easy dessert to make on short notice. Ripe bananas are always in season and frozen puff pastry can be found in most major grocery stores. Pull the puff pastry out to thaw while you slice bananas and simmer the rum sauce. Best of all, this recipe is very forgiving. If you simply have no time to make homemade French rum sauce, use store-bought caramel sauce kicked up with a sprinkle of cinnamon...."