Whoopie pies are a traditionally nostalgic sweet treat that remind us of yesteryears when we would spend the summer at grandma and grandpa's house. This recipe contains sweet and sensational ingredients that will make you feel like a kid again. The marshmallow creme is spread is packed between to fluffy and hearty whoopie pies. If you want to spread the love and let your kids enjoy a sweet treat that brings back memories, then try this recipe.