http://vector.tutsplus.com/tutorials/illustration/create-a-swirly-lollipop/

In this tutorial, you’ll be shown an easy and accurate way of creating your own swirly lollipop using a custom Art Brush and the Spiral Tool in Adobe Illustrator. If you’re a beginner Illustrator user, this tutorial will help you get familiar with how to use Illustrator’s tools creatively.