If you want to recreate the amazing Halloween cakes you see all over Pinterest without spending hours modeling headstones out of chocolate or making and decorating cookies to look like headstones, this Halloween Graveyard Cake recipe is for you. A box of cake mix, a container of frosting, a package of Oreos crushed in a Ziploc bag, and some toothpicks and Peeps was all it took to make this graveyard cake. This will be the easiest decorated cake you’ve ever made.