You can just add a lister like CategoryMeta on a page, then CategoryMeta will backlink to every page that includes that string in its page data. If you are really bored, you can go through all pages and manually tag food-related pages with CategoryFood and go from there.
Debating on this, sometimes it's nice to keep things private exclusive.↩
A number of online diabetics / schizophrenics are violently opposed to cookies.↩
Similarly, it would be nice to have optional dropdown menus for each category of article.↩