Need a vegetarian dessert? Chocolate Cake With Chocolate Buttercream could be an outstanding recipe to try. One serving contains 378 calories, 4g of protein, and 11g of fat. This recipe covers 5% of your daily requirements of vitamins and minerals. This recipe serves 15. A mixture of powdered sugar, land o lakes® butter, chocolate, and a handful of other ingredients are all it takes to make this recipe so flavorful. From preparation to the plate, this recipe takes about 30 minutes.