Ingredients
For the Filling:
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2 cups mashed cooked sweet potatoes
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1 cup granulated sugar
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1/2 cup buttermilk
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1/2 cup unsalted butter, melted
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2 large eggs
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1 teaspoon vanilla extract
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1 teaspoon ground cinnamon
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1/4 teaspoon ground nutmeg
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1/4 teaspoon salt
For the Crust:
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1 unbaked 9-inch pie crust (homemade or store-bought)
Instructions
Cook your sweet potatoes until fork-tender. You can bake, boil, or microwave them. Once soft, peel and mash until smooth with no chunks. This ensures a silky pie filling.
In a large bowl, whisk together the melted butter, sugar, eggs, buttermilk, and vanilla extract. Mix until fully combined and smooth.
Stir the mashed sweet potatoes into the mixture. Whisk thoroughly to remove any lumps. The smoother the mixture, the creamier your pie will turn out.
Mix in the cinnamon, nutmeg, and salt. These warm spices add depth and bring out the natural sweetness of the potatoes.
Pour the filling into your unbaked pie crust. Smooth the top with a spatula.
Bake at 350°F (175°C) for 50–60 minutes, or until the center is set but still slightly jiggly. The pie will firm up as it cools.
Notes
For the creamiest filling, do not overbake the pie. Remove it from the oven when the center still has a slight wiggle. Allowing it to cool fully at room temperature ensures a silky, custard-like set. Using room-temperature ingredients also helps the filling blend seamlessly.