Shooflies, also known as shoofly pie, is a traditional Pennsylvania Dutch dessert. The term shooflies refers to the flies that are attracted to the sweetness of the molasses used in the pie's filling. However, there are other expressions that can be used interchangeably with shooflies. Some synonyms for shooflies include molasses pie, treacle tart, and gingerbread cake. Molasses pie is similar to shoofly pie, except that it is made with a mix of molasses and brown sugar. Treacle tart is a British dessert that uses golden syrup, breadcrumbs, and lemon zest, and gingerbread cake is a cake that is flavored with ginger and molasses.