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 ...

A bowl of pistachios with nuts spilling out sitting on a linen cloth. - Liudmyla Chuhunova/Shutterstock A favorite snacking treat packed with fiber, antioxidants, and other nutrients, pistachios are ...

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 ...