The transformation is simple and versatile, using the granola bar's wrapping plastic as a popsicle mold to easily peel off ...

yeast and mold. And because store-bought granola bars were designed to have a consistent moisture content within the packages, they can stay on store shelves longer than a home kitchen counter.

The U.S. Food and Drug Administration has posted an update on a granola bar recall initiated last year, labeling it as “Class II” — meaning the recalled product “may cause temporary or ...