I used the flooding technique to ice the cookies. Here's my outline all ready to go.
I filled the star with white royal icing...but I didn't stop there.
I colored some royal icing and the piped on the different colors in a bulls-eye pattern. But I still didn't stop there.
I then pulled a toothpick through the wet icing to create a spiderweb effect. This is very easy to do and people love the way it looks. Simply start in the center and lightly drag the toothpick through your icing.