It is a usually made as a large tart in an open pie shell without a top crust. The filling consists of sweet potatoes, milk, sugar and eggs, flavored with spices such as cinnamon and nutmeg.
References in popular culture
Country band Alabama's 1989 #1 hit "Song of The South" prominently features the line "Song, song of the South, sweet potato pie and shut my mouth"
Eugenia Collier wrote a short story titled "Sweet Potato Pie."