01 -
Preheat oven to 400°F. Wrap sweet potatoes in foil, place on a baking sheet, and bake for approximately 45 minutes or until tender.
02 -
Remove baked sweet potatoes from oven and let them cool completely. Unwrap foil and peel off the skins.
03 -
Preheat oven to 350°F. In a large mixing bowl, mash cooled sweet potatoes together with room temperature butter until smooth. Whisk in granulated sugar, brown sugar, whole milk, eggs, vanilla extract, ground cinnamon, ground nutmeg, and salt. Mix until thoroughly combined.
04 -
Pour the prepared filling into the unbaked 9-inch pie crust. Bake in the center of the oven for 50 to 60 minutes, or until a toothpick inserted into the center comes out clean. The pie will rise while baking and settle as it cools.
05 -
Allow the pie to cool to room temperature or chill before serving. Garnish slices with whipped cream or marshmallow fluff if desired.