Buttermilk Sweet Potato Pie

By: Barbara Updated on Sat, 27 Jun 2026 15:48:21 GMT Irresistible Desserts
Barbara, recipe developer and home cook at Graceful Flavors
Barbara

Hi, I'm Barbara, the recipe developer and home cook behind Graceful Flavors. I share approachable recipes with clear steps, familiar ingredients, and delicious results for real everyday kitchens.

Updated on Sat, 27 Jun 2026 15:48:21 GMT

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A slice of buttermilk sweet potato pie. Pin it
A slice of buttermilk sweet potato pie.

This buttermilk sweet potato pie brings rich, comforting flavors and a smooth creamy texture that feels like a warm hug from the inside out. It’s a classic dessert that balances the natural sweetness of sweet potatoes with the tang of buttermilk and the warming spices that make fall so special. This pie is perfect for family gatherings or any time you want to share a little homemade love.

Ingredients

  • Unbaked 9-inch pie crust: choose one with a flaky texture for the best base
  • Sweet potatoes: roasted until tender for natural sweetness and smoothness
  • Buttermilk: provides a subtle tang that brightens and balances the flavors
  • Unsalted butter: melted to add richness without overpowering
  • Large eggs: help set the filling and provide structure
  • Granulated sugar and light brown sugar: combine for sweetness with a touch of molasses depth
  • Pure vanilla extract: enhances the overall flavor with warm sweetness
  • Ground cinnamon, nutmeg, ginger, and cloves: classic warming spices for depth and comfort
  • Salt: balances sweetness and spices
  • Optional garnishes like fresh whipped cream and toasted pecans: add texture and extra flavor
A pie with a yellow filling and a crust.
A pie with a yellow filling and a crust.

Step-by-Step Instructions

Savor the Sweet Potatoes:
Begin by preheating your oven to 400 degrees Fahrenheit. Thoroughly wash the sweet potatoes and prick them all over with a fork to ensure even cooking. Arrange them on a baking sheet and roast for about 50 to 60 minutes until completely tender. Let them cool just enough so you can handle them, then peel and mash until smooth. For the creamiest filling, blend the mashed sweet potatoes in a food processor. Measure exactly two cups for your filling.
Prepare the Pie Crust:
Place your unbaked pie crust gently into a 9-inch pie dish, pressing it into the edges and crimping as you like. Pop the crust in the refrigerator to chill while you mix the filling. Keeping the crust cold is key to getting that flaky, tender edge once it bakes.
Mix the Filling Ingredients:
In a large bowl, combine the mashed sweet potatoes with both sugars. Stir until well mixed and smooth. Add the melted butter, buttermilk, eggs, and vanilla extract. Whisk everything together until the mixture looks creamy and silky without lumps.
Add the warming spices:
Sprinkle in the ground cinnamon, nutmeg, ginger, cloves, and salt. Stir thoroughly to evenly distribute the spices. Your mixture will start smelling beautifully fragrant and look smooth and luscious.
Fill the Pie Shell:
Pour the filling carefully into the chilled pie crust. Use a spatula to spread the filling evenly across the crust. Tap the pie gently on the countertop to release any air bubbles hiding in the filling.
Bake to Perfection:
Lower your oven temperature to 350 degrees Fahrenheit. Place the pie on the center rack and bake for 55 to 65 minutes. The edges will become firm while the center remains slightly jiggly. Check doneness by inserting a knife near the center; it should come out mostly clean.
Cool Completely Before Serving:
Remove the pie from the oven and let it cool on a wire rack for at least two hours. The filling will continue to firm up as it cools. For best slicing and flavor, refrigerate the pie for several hours or overnight.
Add Garnishes and Serve:
Just before serving, top your pie with a dollop of fresh whipped cream, a sprinkle of cinnamon, some toasted or candied pecans, or even a drizzle of caramel. Slice and serve chilled or at room temperature for a perfect finish.

Storage Tips

Keep leftover pie covered in the refrigerator for up to four days. If you want it fresh for longer, wrapping tightly and freezing is a great option. Thaw overnight in the fridge and reheat gently if you prefer it warm.

Ingredient Substitutions

If you don’t have buttermilk, use whole milk plus a teaspoon of lemon juice or vinegar to mimic the tang. Dark brown sugar can replace light brown sugar for a deeper flavor. For the crust, a homemade butter crust works wonderfully but using a pre-made one saves time.

A piece of buttermilk sweet potato pie.
A piece of buttermilk sweet potato pie.

Serving Suggestions

This pie pairs beautifully with a scoop of vanilla ice cream or a dollop of lightly sweetened whipped cream. Toasted pecans give a nice crunch, and a drizzle of caramel adds an indulgent touch that turns it into pure comfort food.

Cultural Tidbit

Sweet potato pie is a cherished Southern tradition born from resourcefulness and a love for seasonal ingredients. Its presence on holiday dessert tables honors family, heritage, and the joyous spirit of sharing.

Frequently Asked Questions

How do I bake the sweet potatoes for the filling?

Wash and prick the sweet potatoes, then bake at 400°F for 50–60 minutes until tender. Cool and mash for a smooth texture.

What spices enhance the sweet potato flavor?

Cinnamon, nutmeg, ginger, and cloves add warmth and depth, perfectly complementing the natural sweetness.

How can I ensure a flaky pie crust?

Keep your crust chilled until filling is ready, and handle gently to maintain its texture during baking.

What’s the best way to tell when the pie is baked?

The edges should be set while the center remains slightly jiggly. A knife near the center should come out mostly clean.

Can I add toppings to the dessert?

Yes, options include fresh whipped cream, toasted or candied pecans, caramel drizzle, or a dusting of cinnamon for extra flavor and texture.

4.50 from 124 votes

Buttermilk Sweet Potato Delight

Prep Time:
40 Minutes
Cook Time:
65 Minutes
Total Time:
105 Minutes
Servings:
8
A slice of buttermilk sweet potato pie.

A creamy, spiced sweet potato filling paired with a flaky crust and subtle buttermilk tang.

Ingredients

  • Pie Crust

  • 1 unbaked 9-inch pie crust
  • 1 tablespoon unsalted butter for brushing (optional)
  • Sweet Potato Filling

  • 2 cups mashed sweet potatoes
  • 120 milliliters buttermilk
  • 115 grams unsalted butter, melted
  • 3 large eggs
  • 200 grams granulated sugar
  • 110 grams light brown sugar
  • 1 tablespoon pure vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1/4 teaspoon ground ginger
  • 1/4 teaspoon ground cloves
  • 1/4 teaspoon salt
  • Optional Garnishes

  • Fresh whipped cream
  • Ground cinnamon
  • Toasted pecans
  • Caramel drizzle
  • Candied pecans
  • Marshmallow topping

Instructions

1.

1. Bake the Sweet Potatoes: Preheat the oven to 400°F (200°C). Thoroughly wash sweet potatoes and prick them several times with a fork. Place on a baking sheet and bake for 50 to 60 minutes until tender. Allow to cool slightly, peel and mash until smooth, then measure 2 cups.

2.

2. Prepare the Pie Crust: Place the pie crust into a 9-inch pie dish and gently press to fit. Crimp edges as preferred. Chill the crust in the refrigerator to maintain flakiness during baking.

3.

3. Combine Filling Ingredients: In a large bowl, mix mashed sweet potatoes with granulated and brown sugar until smooth. Add melted butter, buttermilk, eggs, and vanilla extract, whisking until creamy and homogeneous.

4.

4. Incorporate Spices and Salt: Add ground cinnamon, nutmeg, ginger, cloves, and salt to the filling. Stir thoroughly until the mixture is evenly spiced, smooth, and fragrant.

5.

5. Fill the Pie Shell: Pour the prepared filling into the chilled pie crust, smoothing the surface with a spatula. Gently tap the pie dish on the counter to remove air bubbles.

6.

6. Bake: Reduce oven temperature to 350°F (175°C). Bake the pie on the center rack for 55 to 65 minutes until the edges are set and the center is slightly jiggly. A knife inserted near the center should come out mostly clean.

7.

7. Cool Completely: Remove the pie from the oven and allow it to cool fully on a wire rack for at least 2 hours to let the filling set. For optimal texture, refrigerate several hours before serving.

8.

8. Garnish and Serve: Top with whipped cream, toasted pecans, or a dusting of cinnamon as desired. Slice and serve chilled or at room temperature.

Notes

  1. Maintaining a cold pie crust before baking ensures a flaky texture. Blending the mashed sweet potatoes in a food processor results in a smoother filling.

Tools You'll Need

  • 9-inch pie dish
  • Oven
  • Mixing bowls
  • Wire rack
  • Spatula
  • Fork
  • Baking sheet
  • Whisk

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains eggs, dairy, and gluten
  • May contain tree nuts if garnished with pecans

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 350
  • Total Fat: 12 g
  • Total Carbohydrate: 60 g
  • Protein: 5 g