There are several methods to accomplish this. Get some wet dog food and combine in some canine treats of all varieties. The trick is to add flour to the moist dog food to make it thick sufficient to adhere canine treats in it. Discover a canned dog food that is mainly mush without much chunk to it and then add flour to for a thicker paste. One or two 8 ounce cans ought to be a enough. Make the cake into the mildew of whatever form you want it to be a cupcake, dog treat shape by itself, or a normal human cake.