Buttermilk Sweet Potato Pie

Buttermilk Sweet Potato Pie is a medium Southern American recipe that serves 8. 350 calories per serving. Recipe by OLD SCHOOL SOUL FOOD on YouTube.

Prep: 30 min | Cook: 1 hr 40 min | Total: 2 hrs 25 min

Cost: $7.40 total, $0.93 per serving

Ingredients

  • 2 large Roasted sweet potatoes (peeled and mashed; about 2 pounds total)
  • 2 large Eggs (room temperature)
  • 1/4 cup Unsalted butter (melted or softened)
  • 1 cup Granulated sugar (adjust to taste after tasting the filling)
  • 1 tsp Ground cinnamon
  • 1/2 tsp Ground nutmeg
  • 1 tsp Vanilla extract
  • 1 cup Buttermilk (cold)
  • 1 shell Pre‑made 9‑inch deep‑dish pie shells (store‑bought, unbaked)

Instructions

  1. Roast the sweet potatoes

    Preheat the oven to 425°F. Scrub the sweet potatoes, place them on a baking sheet, and roast until tender and lightly caramelized, about 45 minutes. Let them cool enough to handle.

    Time: PT45M

    Temperature: 425°F

  2. Peel and mash

    When the potatoes are cool enough to handle, peel off the skins and mash the flesh in a large bowl until smooth.

    Time: PT10M

  3. Mix wet ingredients

    In a separate bowl, whisk together the buttermilk, eggs, melted butter, sugar, cinnamon, nutmeg, and vanilla until fully combined.

    Time: PT10M

  4. Combine filling

    Add the mashed sweet potatoes to the wet mixture. Stir with a rubber spatula until the batter is uniform. Taste and add a little more sugar if the sweet potatoes are not naturally sweet enough.

    Time: PT5M

  5. Fill the pie shells

    Pour the batter into the pre‑made 9‑inch deep‑dish pie shell, smoothing the top with the spatula.

    Time: PT5M

  6. Initial high‑heat bake

    Place the pie in the oven and bake at 425°F for 15 minutes. This creates a golden crust on the top.

    Time: PT15M

    Temperature: 425°F

  7. Finish baking at lower temperature

    Reduce the oven temperature to 325°F and continue baking for 40 minutes, or until the center is set and a knife inserted comes out clean.

    Time: PT40M

    Temperature: 325°F

  8. Cool completely

    Remove the pie from the oven and let it cool on a rack for at least 4 hours before slicing. The filling will firm up as it cools.

    Time: PT4H

Nutrition Facts

Calories
350
Protein
4 g
Carbohydrates
55 g
Fat
12 g
Fiber
4 g

Dietary info: Vegetarian, Contains gluten, Contains dairy, low-calorie

Allergens: Eggs, Dairy, Wheat (pie crust)

Last updated: April 11, 2026

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Buttermilk Sweet Potato Pie

Recipe by OLD SCHOOL SOUL FOOD

A creamy, tangy sweet potato pie made with roasted sweet potatoes and buttermilk. The pie is baked at a high temperature first for a golden crust, then finished at a lower temperature for a smooth, custard‑like filling. Perfect for fall holidays and Southern soul‑food gatherings.

MediumSouthern AmericanServes 8

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
5h 10m
Prep
1h
Cook
44m
Cleanup
6h 54m
Total

Cost Breakdown

$7.40
Total cost
$0.93
Per serving

Critical Success Points

  • Roast sweet potatoes instead of boiling to preserve color and sweetness.
  • Taste the filling before baking and adjust sugar as needed.
  • Start baking at 425°F for 15 minutes, then lower to 325°F for the remainder to achieve a golden top and a custard‑like interior.

Safety Warnings

  • Handle the hot oven and baking sheet with oven mitts.
  • Melted butter is hot; avoid splatter burns.
  • Use a sharp knife carefully when peeling roasted sweet potatoes.

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