Surprise Cake requires about 45 minutes from start to finish. This vegetarian recipe serves 6. One portion of this dish contains roughly 7g of protein, 14g of fat, and a total of 705 calories. Head to the store and pick up confectioners' sugar, water, cream, and a few other things to make it today. If you like this recipe, you might also like recipes such as Surprise Carrot Cake, Surprise Spice Cake, and Christmas Surprise Cake.