I was under the impression that tomato leaves / vines were toxic and should not be ingested, so great was my surprise when I cam across this recipe:
http://sustainableseedco.com/blog/re...to-leaf-pesto/
Granted, the amount is small. Still, it makes me wonder.. Tomato leave and vines are not something that I'd like to cook with.
This article tackles the same questions...
http://ask.metafilter.com/79079/How-...e-tomato-vines