Scoop out a little canned frosting, and tint with black. Scoop some, and tint with orange, and some more for red.
Pipe with black frosting outlining as shown, to make the body/cloth
Then pipe orange frosting as hair, while red for lips
Pipe white for nose and some decoration for hands/cloth. Don't forget to pipe eyes with black frosting.
Pipe a dab on head area and shape tootsie roll (warmed for 10 seconds in micro) into witches hats (you can use tootsie and cookie, or just tootsie)
And she's ready :)