Cupcake Corer.This Cupcake Corer creates a perfect hole in the center of the cupcake for filling with icing or hiding edible treasures. An easy way to make filled cupcakes, the corer creates quick and uniform holes for filling. Simply twist the corer into center of the cupcake. Guard indicates how deep to cut. Remove corer from cupcake and push plunger down to remove core. Top rack dishwasher safe; corer measures 2.5.