Cookie Cutters The size of the cookie cutter is indicated in the title- the size is taken from the two furthermost parts of the cutter 1" in depth Cut out the shape using the sharp edged cookie cutter and then decorate using sugarpaste or royal icing! All cookie cutters are 1" (2.4cm) in depth. Cookie Cutter Care Hand wash your cookie cutter in warm water, use a mild soap and rinse. You must then thoroughly dry the cutter. Not recommended to go in the dishwasher and avoid using heavy abrasives.