Forcing peanut butter (or any food) into one nutrient category or another "contributes to the black-and-white thinking that ... "I suggest not eating it out of the jar," Gentile says.

It makes clean and quick work of turning a jar of separated natural peanut butter into a delicious homogenous goo. The design is simple It’s just an S-hook with a crank threaded through a lid ...

You could also make a black-and-white peanut butter bar by melting white and dark chocolate in separate bowls and dipping the bars halfway into each lengthwise. If you want to add more flavors ...