When you are creating decorative sugar cookies it is very important that your cookie is "clean". Which means it needs to be free of flour so it doesn't interfere with baking or the frosting. Here are some tips that I have learned.
After rolling and cutting my cookie dough I generally end up with this:
So I take a small food brush (like a large paint brush) and use it to dust off the flour.
After the cookies are baked I brush off any remaining flour on the back sides. Now you have a clean fresh cookie that is ready to be decorated.