Identify this vegetable

[joey1211]

Can anyone identify this vegetable? Seen drying on an italian rooftop.

 

[joey1211]

I think it's a massive cactus, something like this:

Selenicereus hamatus

Selenicereus hamatus is a species of Cactaceae and produce one of the largest flowers in the family. It is a cultivated ornamental vine. The species is native to Mexico. (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Selenicereus_hamatus, CC BY-SA 3.0 . Photo: (c) Juan Donaldo Hdez...

www.inaturalist.org

Looks like it