Prune cake is typically a sweet dessert that contains chopped prunes mixed into the cake batter. However, if you are searching for synonyms for "prune cake," there are several options available, including "plum cake," "fruitcake," or "dried fruit cake." Prune cake is often made with a variety of spices such as cinnamon, nutmeg, and allspice, which infuse the dish with rich, warm flavors. Some people also add nuts or a sweet glaze on top of the cake for added texture and flavor. Regardless of what you call it, prune cake is a beloved dessert that provides comfort and indulgence.