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Sweet Potato Pie With Marshmallow Whip

5.0

(2)

Sweet potato pie sliced sitting on marble surface.
Photograph by Isa Zapata, Food Styling by Thu Buser, Prop Styling by Paola Andrea

While classic Southern sweet potato pie is often overlooked in favor of its more renowned Thanksgiving cousin (that’s you, pumpkin pie), autumnal flavor fanatics know that canned pumpkin purée can’t hold a candle to fresh sweet potatoes that you’ve transformed into a velvety mash in the comfort of your own kitchen.

In this easy recipe, the sweet potatoes are peeled, chopped, and simmered to cut down on prep time. (Whole boiled or baked sweet potatoes would increase the total cook time by quite a bit.) A piece of smashed ginger sneaks into the pot to impart its piquant, spicy-sweet flavor as it softens, and joins the warming spice trifecta of ground cinnamon, cardamom, and nutmeg in the food processor to make the custard pie filling.

You could opt for a store-bought pie crust here, but we believe that for the best sweet potato pie, you owe it to yourself to make it from scratch using our never-fail Actually Perfect Pie Crust recipe (included here). The buttery, flaky, homemade pie shell will become your go-to for pecan pie, lemon meringue pie, deep-dish apple pie, and frankly any other pie you choose to make this holiday season (and beyond). Note that we highly recommend using a metal pie plate, which conducts heat better than glass or ceramic.

One shortcut we do endorse: using a jar of marshmallow creme, which lends body, sweetness, and a certain oomph to the whipped cream topping, and pays homage to the beloved Thanksgiving combo of mashed sweet potatoes and marshmallows. 

If you’re trying to get ahead on Thanksgiving prep, you can make this sweet potato pie without the topping up to three months in advance and freeze it. Surround the entire cooled pie in three layers of plastic wrap and cover with an outer layer of aluminum foil. Place the frozen pie in the refrigerator overnight to thaw.


Read More: What’s the Difference Between Sweet Potatoes and Yams?

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What you’ll need

Recipe information

  • Yield

    Makes 1 pie

Ingredients

Pie Crust

1⅔

cups (208 g) all-purpose flour

1

tsp. Diamond Crystal or ½ tsp. Morton kosher salt

¼

tsp. baking powder

2

oz. (56 g) chilled cream cheese, cut into 1" pieces

10

Tbsp. (140 g) chilled unsalted butter, sliced ½" thick

Rice flour or all-purpose flour (for surface)

1

large egg white

Filling and Assembly

lb. sweet potatoes (about 2 large or 3 medium), peeled, cut into 2" pieces

1

2" piece ginger, peeled, lightly smashed

3

large eggs

cups heavy cream, divided

½

cup granulated sugar

½

cup (packed) light brown sugar

tsp. Diamond Crystal or 1½ tsp. Morton kosher salt, divided

tsp. ground cinnamon

tsp. vanilla extract

¼

tsp. ground cardamom

¼

tsp. ground nutmeg

1

7.5-oz. jar marshmallow creme (preferably Marshmallow Fluff)

Preparation

  1. Pie Crust

    Step 1

    Whisk 1⅔ cups (208 g) all-purpose flour, 1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt, and ¼ tsp. baking powder in a large bowl. Add 2 oz. (56 g) chilled cream cheese, cut into 1" pieces, and rub into dry ingredients with your fingers until fully incorporated (mixture will look very shaggy). Add 10 Tbsp. (140 g) chilled unsalted butter, sliced ½" thick, and toss to coat in flour, then smash into smaller, flatter pieces (about chickpea-size).

    Step 2

    Make a well in the center and pour in ¼ cup (60 g) ice water. Toss mixture with a fork or your hands to distribute, then knead in bowl a couple times to bring dough together (some dry bits may remain).

    Step 3

    Turn out dough onto a surface lightly dusted with rice flour or all-purpose flour; dust top of dough with flour. Roll out to a ½"-thick rectangle. Fold dough in half, rotate 90°, and fold in half again. Roll out again to a ½"-thick rectangle and repeat folding process, dusting with more flour as needed to prevent sticking. Pat into a ½"-thick disk and wrap tightly in plastic. Chill in refrigerator at least 2 hours and, preferably, up to 12 hours.

    Step 4

    Place a rack in middle of oven; preheat to 425°. Remove dough from refrigerator and let sit at room temperature 5 minutes. Unwrap and roll out on a lightly floured surface to about a 12" round about ⅛" thick. Brush excess flour off dough and transfer to a 9"-diameter pie pan. Lift edges and allow dough to slump down into pan, then press dough firmly into bottom and sides. Trim, leaving about 1" overhang. Fold overhang onto itself, pressing firmly to seal; crimp edges if desired. Prick bottom all over with a fork. Chill 15 minutes.

    Step 5

    Line crust (including crimped edges) with foil and fill with pie weights or dried beans. Bake until edges start to brown, 15–20 minutes. Lift out foil and weights and brush bottom of crust with 1 large egg white (this will create a barrier between crust and filling that prevents crust from getting soggy). Reduce oven temperature to 325° and bake crust until bottom is pale golden brown, 5–10 minutes. Let cool; keep oven on.

  2. Filling and Assembly

    Step 6

    While the crust is baking, place 1½ lb. sweet potatoes (about 2 large or 3 medium), peeled, cut into 2" pieces, and one 2" piece ginger, peeled, lightly smashed, in a medium pot and pour in water to cover by 2". Bring to a boil, then reduce heat and simmer until sweet potatoes are tender enough to easily pierce with a fork, 14–16 minutes. Drain and let cool slightly.

    Step 7

    Transfer sweet potatoes and ginger to a food processor and process until mostly smooth. Add 3 large eggs, ½ cup heavy cream, ½ cup granulated sugar, ½ cup (packed) light brown sugar, 2 tsp. Diamond Crystal or 1¼ Morton kosher salt, 1½ tsp. ground cinnamon, 1½ tsp. vanilla extract, ¼ tsp. ground cardamom, and ¼ tsp. ground nutmeg and process until combined and filling is very smooth.

    Step 8

    Pour filling into crust and smooth top. Bake pie until filling is just set but still jiggles slightly in the center, 50–60 minutes. Transfer to a wire rack and let cool.

    Step 9

    Meanwhile, using an electric mixer on medium-high speed, beat remaining 1 cup heavy cream in a medium bowl until stiff peaks form, about 3 minutes. Reduce speed to low and add one 7.5-oz. jar marshmallow creme and remaining ½ tsp. Diamond Crystal or ¼ tsp. Morton kosher salt; beat until combined.

    Step 10

    Cut pie into wedges and serve with whipped cream.

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