Whoopie pies can be made up to 3 days ahead. Store them in an airtight container at room temperature or in the refrigerator.

but you can always start with a small amount for your first attempt and then add more the next time you make whoopie pies. We recommend starting by adding about a teaspoon alongside the dry ...

"In 2011, the Maine State Legislature designated the whoopie pie as Maine's official state treat. This confection ...