An easy prune cake recipe is Taste of Home's Prune Cake with Glaze. Other easy recipes include Country Apple Prune Cake and Spiced Prune Cake with Cream Cheese Icing.
To make Taste of Home's easy prune cake, gather 1 1/2 cups of sugar, 2 cups of all-purpose flour, 1 teaspoon baking soda and 1 teaspoon salt. Mix these ingredients together along with 1 teaspoon ground nutmeg and 1 teaspoon ground cinnamon. Add 3 beaten eggs, 1 cup of vegetable oil, 1/2 cup of buttermilk and 1 teaspoon of vanilla extract. Stir in 1 cup of chopped pitted prunes and 1 cup of chopped nuts. Pour the batter into a cake pan, and bake at 350 degrees Fahrenheit for 45 minutes.
To make the glaze, bring 1/2 cup butter, 1/3 cup of buttermilk, 1 teaspoon of vanilla, 1/2 teaspoon of baking soda and 3/4 cup of sugar to a boil for two minutes. Spoon the glaze over the cake as soon as it is removed from the oven. Allow the cake to cool before serving.
A variation on this recipe adds apples to the rest of the ingredients. Peel and shred 2 cups of apples, and mix into the batter before folding in the prunes and nuts.