I have tried the Food Network Plugin but all it does is just provide hyperlinks, unlike your epub shown for "Summer Salads [Wed, 05 Jun 2013] - foodnetwork.com.epub"
I have the latest Calibre and your plugin;
Here is what is shown on one of the pages
This article was downloaded by calibre from
http://www.foodnetwork.com/recipes/r...ler-recipe.htm. See attached epub.
Hope you can be of some help.
Thanks
PawPaw