And although slightly split shells can be pried open by inserting and twisting a half-shell from a previously opened pistachio, more often than not, teeth were the not-so-wise tools of choice. And not ...

Shells of perfectly ripened pistachios split open naturally, revealing a rich-tasting, lime-green kernel that's ready to roast and enjoy. Nicknamed "laughing pistachios" because they look ...

One great thing the pistachio has going for it is an easy-access feature. This tasty treat is split on one side—just enough space to wedge in your fingernail to separate and break open the shell. Like ...