Just because you lot are such a friendly bunch I actually had to find it NOW, and I did. I have come to the conclusion that WPeMatico is the offending plugin. It also tries to place button just beneath “Posts” in the sidebar, and as it stands right now I have to pick one or the other.
Unfortunately this particular site is about aggregating 12 other blogs and act as a hub/centre which links out to the separate blogs, so WPeMatico is currently quite (more) crucial to the overall site idea than the specifics of which recipe plugin I would be using (for the main owner of the hub blog). :/
That is a shame as GetMeCooking definitely looks like the best recipe plugin.