Grape Filled Purple Cupcakes ~Purple Cupcakes? Yes, please! A cake mix, grape jelly, some grapes and frosting, a bit of sparking sugar and maybe a witch printable and your child's Halloween party snack is ready to go! Add a drink umbrella for a shower, or some colored m&m's to match your favorite team. However you wish to decorate these bold cupcakes are sure to wow your guests. Let me know in the comments how you made them special!