Dark-chocolate Cake With Ganache Frosting might be just the dessert you are searching for. This recipe serves 16. One serving contains 325 calories, 4g of protein, and 17g of fat. A mixture of light-brown sugar, buttermilk, bittersweet chocolate, and a handful of other ingredients are all it takes to make this recipe so delicious. From preparation to the plate, this recipe takes approximately 1 hour and 30 minutes.