Icing For Dog Cake Recipe. Spoon and shape mashed potatoes between and over two of the meat cakes to cover. Make sure to get a thick layer in between the two cakes to get the look of a frosted center.
Simple homemade dog cake for a dog’s birthday; 2 tablespoons cornstarch, rice or potato flour; Fold in the apple, cinnamon and half of the whole oats until well mixed.