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Purple Sweet Potato Pie


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  • Author: Molly
  • Total Time: 3 hours 45 minutes (including cooling)
  • Yield: 8 servings
  • Diet: Vegetarian

Description

Purple Sweet Potato Pie is a vibrant twist on the classic sweet potato pie, featuring Stokes purple sweet potatoes for a stunning color and rich, custard-like filling. Topped with Swiss meringue, it’s an elegant dessert for holidays or special gatherings.


Ingredients

1 perfect pie crust (homemade or store-bought)

1 pound Stokes purple sweet potatoes

1 cup light brown sugar

2 large eggs, room temperature

3/4 cup evaporated milk

1/4 cup unsalted butter, melted

1 tablespoon vanilla extract

2 teaspoons pumpkin pie spice

1/2 teaspoon kosher salt

3 large egg whites, room temperature

1/4 teaspoon cream of tartar

3/4 cup granulated sugar


Instructions

  1. Roll out pie dough to 1/4 inch thick, about 2 inches larger than your pie pan. Place in pan, trim edges, and decorate. Chill crust for 30 minutes. Preheat oven to 425°F. Line with parchment and pie weights, bake 15 minutes. Remove weights, bake 5 minutes more until golden. Cool completely.
  2. Wash and scrub purple sweet potatoes. Boil or roast until fork tender. Peel and mash until smooth.
  3. In a large bowl, combine mashed sweet potatoes, brown sugar, eggs, evaporated milk, melted butter, vanilla, pumpkin pie spice, and salt. Mix until smooth.
  4. Reduce oven temperature to 350°F. Pour filling into cooled crust. Bake 50–60 minutes, until the center is set but slightly wobbly. Cool completely.
  5. In a heatproof bowl, whisk egg whites, cream of tartar, and sugar. Place over simmering water and whisk until sugar dissolves and mixture reaches 160°F. Transfer to mixer, whip to stiff glossy peaks.
  6. Spread or pipe meringue over cooled pie. Torch lightly for a golden finish, if desired.

Notes

  • Blind baking the crust prevents sogginess and ensures crispness.
  • Fresh purple sweet potatoes yield the best flavor and vibrant color.
  • Swap with orange sweet potatoes if purple are unavailable.
  • Meringue should be added shortly before serving for best texture.
  • For a dairy-free version, substitute coconut milk for evaporated milk and vegan butter for butter.
  • Prep Time: 30 minutes
  • Cook Time: 1 hour 15 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice (1/8 of pie)
  • Calories: 320
  • Sugar: 34g
  • Sodium: 210mg
  • Fat: 13g
  • Saturated Fat: 7g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 48g
  • Fiber: 3g
  • Protein: 5g
  • Cholesterol: 80mg