Halloween Run Sugar Cookies

bat cutter
circle cutter
triple pumpkin cutter
skull cutter
spiderweb cutter
ghost cutter
candy corn cutter
run sugar
assorted food coloring

Bake and cool cookies. Fill parchment cones with run sugar and cut small hole in tip of bag. Pipe background colors first (black on skull and ghost and yellow on pumpkin). Allow to harden completely. Continue to pipe one color at a time, letting run sugar set up completely before piping any adjoining colors.