Sweet Potato Pie

For the Crust
1¼ cups all-purpose flour
½ teaspoon salt
½ cup cold unsalted butter, cubed
3–4 tablespoons ice water
For the Filling
2 cups cooked, mashed sweet potatoes
1 cup granulated sugar
½ teaspoon salt
½ teaspoon cinnamon
¼ teaspoon nutmeg
¼ teaspoon ginger
2 large eggs
½ cup melted butter (slightly cooled)
½ cup buttermilk
1 teaspoon vanilla extract
INSTRUCTIONS
Prepare the crust: Mix flour and salt, cut in cold butter, add ice water, form a dough disk, and chill 30 minutes.
Cook the sweet potatoes: Boil until tender, drain, and mash until smooth.
Make the filling: Combine sweet potatoes, sugar, spices, eggs, butter, buttermilk, and vanilla. Mix until smooth.
Assemble: Preheat oven to 350°F (175°C). Roll out the dough, place in a pie dish, and add the filling.
Bake for 50–60 minutes until set. Cool completely before slicing.
Serve with whipped cream if desired.