Whereas popcorn is a 100% whole-grain food, "chips don’t really resemble the potato anymore," Rizzo adds. However, it ultimately depends on how the popcorn is prepared and topped, Dieras adds.

And popcorn can hit its expiration date whether it’s in unpopped or popped form. Popcorn that has extra stuff on it—caramel, ...

Melt butter, sugar and syrup in a separate large pan. Bring to boil and leave to bubble for 3-5min. Add the popcorn and turn ...