You can always try a cookie wall to choose which cookies stay and which ones go. I use Analog X cookie wall
http://www.analogx.com/contents/download/network.htm It is small uses little memory and resources.
Right now I have only 5 cookies allowed on my machine all have a login ID for different sites. The rest get deleted right away by Analog X "nice little program"
P.S. for download look for- Browser add ons - cookie wall