[nctomatoman]

Yes, the fruit are edible - esp. to make juice! A few interesting references:

http://www.hort.purdue.edu/newcrop/m...jilla_ars.html

http://www.hort.purdue.edu/newcrop/a...la-cocona.html

http://www.hort.purdue.edu/newcrop/p...tml#naranjilla

http://www.daleysfruit.com.au/fruit%...naranjilla.htm