Ingredients
Pie Crust
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1 unbaked 9-inch pie crust (homemade or store-bought)
Purple Sweet Potato Filling
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2 cups mashed purple sweet potatoes (about 2–3 medium potatoes, cooked and peeled)
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¾ cup granulated sugar
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½ cup evaporated milk or coconut milk
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2 large eggs, room temperature
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¼ cup unsalted butter, melted
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1 teaspoon vanilla extract
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1 teaspoon ground cinnamon
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¼ teaspoon ground nutmeg
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¼ teaspoon ground ginger
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¼ teaspoon salt
Instructions
Wash and scrub the purple sweet potatoes. Boil or steam until fork-tender, about 25–30 minutes. Peel while warm and mash until completely smooth. Measure out 2 cups and let cool slightly.
Preheat oven to 350°F (175°C). Place the unbaked pie crust into a 9-inch pie dish and crimp the edges. Set aside.
In a large bowl, whisk together mashed purple sweet potatoes, sugar, evaporated milk, eggs, melted butter, vanilla extract, cinnamon, nutmeg, ginger, and salt. Mix until smooth and creamy with no lumps.
Pour the filling evenly into the prepared pie crust. Gently tap the dish on the counter to release air bubbles and smooth the top.
Bake for 50–60 minutes, or until the center is mostly set with a slight jiggle. If the crust browns too quickly, tent loosely with foil. Remove from oven and allow to cool completely before slicing.
Notes
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Mash potatoes thoroughly for a silky filling—use a blender if needed.
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Purple sweet potatoes vary in sweetness; adjust sugar to taste.
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Avoid overbaking to keep the filling creamy.
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Color deepens slightly as the pie cools.