Pecan pie is a pie of pecan nuts mixed with a filling of eggs, butter, and sugar (typically corn syrup). Variations may include white or brown sugar, sugar syrup, molasses, maple syrup, or honey.It is popularly served at holiday meals in the United States and is considered a specialty of Southern U.S. origin.Most pecan pie recipes include salt and vanilla as flavorings. Chocolate and bourbon whiskey are other popular additions to the recipe.Pecan pie is often served with whipped cream, vanilla ice cream, or hard sauce.Pecans are native to the southern United States. Archaeological evidence found in Texas indicates that Native Americans used pecans more than 8,000 years ago.The word pecan is a derivative of an Algonquin word, pakani, referring to several nuts.