Imagine the comforting flavor of classic sweet potato pie—now make it even smoother, richer, and gently brightened with a touch of tang. That’s what buttermilk brings to the table. This Sweet Potato Buttermilk Pie is a true Southern gem, blending naturally sweet roasted potatoes with a velvety, custard-like filling, all nestled inside a perfectly crisp, flaky crust and warmly spiced.
Unlike a pumpkin pie, this recipe leans into caramelized sweetness and earthy depth, creating a filling so silky it practically disappears on your tongue. And best of all? It’s incredibly easy. No boiling, no complicated prep—just roast, mix, and bake.
Whether you’re preparing for Thanksgiving, a holiday dessert spread, or simply treating yourself on a quiet weekend, this pie offers pure comfort in every forkful.
Roasting Tip: Bake whole, unpeeled sweet potatoes at 400°F (200°C) for 45–60 minutes until tender. Scoop out the insides — you’ll need roughly 2 cups of mashed potato.
Preheat the oven to 400°F (200°C). Prick each sweet potato several times with a fork. Place on a baking sheet and roast for 45–60 minutes, or until soft. Cool, peel, and mash until the texture is completely smooth.
Reduce the oven to 350°F (175°C).
Place the mashed sweet potatoes, both sugars, eggs, buttermilk, melted butter, spices, salt, and vanilla into a blender or food processor. Blend until the mixture is completely smooth and creamy with no stringy bits left.
💡 No blender? Use a hand mixer and push the mixture through a fine-mesh sieve for a perfectly silky custard.
Pour the filling into your prepared pie crust.
Bake for 55–65 minutes, until the outer edges are set and the center still has a gentle jiggle—similar to soft-set gelatin.
⏱️ Don’t overbake! The pie will continue to firm up while cooling.
🛡️ Crust browning too fast? Lightly tent the edges with foil.
Let the pie cool on a wire rack for 3–4 hours, or even overnight, to fully set and allow the flavors to deepen.
If you’d like, I can also create:
✨ a shorter version,
✨ a more poetic storytelling version, or
✨ a punchy, blog-ready version.
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