Papaya
Papaya seeds: what to do with them
Pull out that old pepper grinder collecting dust in your cabinet. The next papaya you eat, save the seeds! We dry ours, without rinsing, then put in our pepper grinder mixed with regular peppercorns.
Do test to see that you don't have an allergic reaction before dousing your entire meal with it.
A lot of great stuff to read here about the health benefits of papaya: http://www.livestrong.com/article/543510-the-nutritional-value-of-papaya-seeds/
Regular peppercorns are also packed with healthy stuff. Read more here: http://www.whfoods.com/genpage.php?tname=foodspice&dbid=74