This English Upside-Down Plum Cake is a sweet summer delight. English upside-down plum cake is a delicious dessert that showcases a caramelized plum topping baked beneath a moist cake layer. When the cake is inverted, the plums create a beautiful, jammy topping that is both sweet and tangy. The term “plum” in English plum cake refers to dried fruits like raisins and currants, not fresh plums. This cake originated in medieval England as part of a…