Old-Fashioned Sweet Potato Pie

Prep Time	25 minutes
Roasting Time (Potatoes)	50–60 minutes
Baking Time (Pie)	55–60 minutes
Cooling & Chilling Time	2 hours (minimum)
Total Time	4 hours 20 minutes
Yield	1 (9-inch) pie (8 generous slices)
Difficulty Level	Moderate (Beginner-friendly with clear visual cues)
Oven Intensity (Roasting)	High Heat — 400°F (200°C)
Oven Intensity (Baking)	Moderate Heat — 350°F (175°C)
Mixer Intensity	Medium-Low to Medium-High (to remove strings and aerate)

Table of Contents

Ingredients

1 unbaked 9-inch deep-dish pie crust: Homemade all-butter pastry or a high-quality store-bought refrigerated crust, kept thoroughly chilled until ready to fill.

2 pounds (approx. 3 medium) orange-fleshed sweet potatoes: Look for Beauregard, Jewel, or Garnet varieties, which offer the deepest color and sweetest flavor.
½ cup (1 stick / 113g) unsalted butter: Softened to room temperature so it emulsifies seamlessly into the warm potatoes.
¾ cup (150g) light brown sugar, packed: Provides deep molasses notes and moisture.
¼ cup (50g) granulated white sugar: Balances the brown sugar and encourages a smooth, glossy top.
2 large eggs: Room temperature, lightly beaten before adding to prevent curdling.
½ cup (120ml) heavy whipping cream: Room temperature; adds luxurious richness and body. (Evaporated milk can be substituted for a slightly denser, classic diner-style texture.)
1 tablespoon pure vanilla extract: Rounds out the earthiness of the sweet potatoes.
1 teaspoon ground cinnamon: Adds foundational warmth.
½ teaspoon freshly grated nutmeg: Essential for that unmistakable nostalgic aroma.
¼ teaspoon ground ginger: Lends a subtle, bright undertone without overpowering the potato flavor.
¼ teaspoon fine sea salt: Sharpens the sweetness and balances the dairy.

Preheat and prep: Position an oven rack in the center and preheat your oven to 400°F (200°C) (high roasting intensity). Line a rimmed baking sheet with aluminum foil or parchment paper to catch any sticky sugars that bubble out.
Pierce the potatoes: Scrub the sweet potatoes clean under cool water and pat them dry. Using a fork, prick each potato 4 to 5 times all over to allow steam to escape safely during roasting.
Roast until tender: Place the potatoes on the prepared baking sheet and roast for 50 to 60 minutes, depending on their thickness. They are ready when the skins are puffed and slightly charred, caramelized syrup is oozing from the fork holes, and a paring knife slides through the center with zero resistance.
Cool and peel: Remove the baking sheet from the oven and let the potatoes cool for 15 to 20 minutes until safe to handle. Slice them open lengthwise and scoop the soft orange flesh into a large mixing bowl, discarding the skins. You should have roughly 2 cups of packed mashed sweet potato.

Adjust oven intensity: Lower the oven temperature to 350°F (175°C) (moderate baking intensity) so the oven stabilizes while you prepare the filling.
Whip out the fibers (Medium-High Intensity): Add the softened room-temperature butter directly to the warm sweet potato flesh. Using a handheld electric mixer or a stand mixer fitted with the paddle attachment, beat on medium-high speed for 2 minutes. This vigorous mixing does two critical jobs: it emulsifies the butter into the warm starches, and any stubborn, stringy fibers wrap around the beaters so you can easily pull them off and discard them.
Incorporate sugars and spices (Medium Intensity): Add the packed light brown sugar, granulated sugar, vanilla extract, cinnamon, freshly grated nutmeg, ground ginger, and fine sea salt. Beat on medium speed for 1 minute until completely smooth and uniform.
Emulsify eggs and cream (Low Intensity): Reduce the mixer speed to low. Pour in the lightly beaten room-temperature eggs and beat just until combined, about 30 seconds. Slowly drizzle in the heavy whipping cream while mixing on low speed until the custard looks glossy, airy, and velvety. Avoid over-whipping at this stage, as trapping too much air can cause the pie to puff up dramatically and crack as it cools.

Fill the crust: Place your chilled 9-inch pie crust on a sturdy baking sheet (this makes transferring the full pie effortless and catches any potential drips). Pour the sweet potato custard into the unbaked shell and smooth the top gently with an offset spatula.
Bake to a gentle wobble: Bake at 350°F (175°C) for 55 to 60 minutes. Around the 40-minute mark, check the edges of your pie crust; if they are browning too quickly, loosely tent a ring of aluminum foil around the outer rim. The pie is finished when the outer 2 inches of the filling look puffed and set, while the very center (about the size of a silver dollar) still jiggles slightly like gelatin when you gently nudge the pan.
Cool completely to set: Transfer the pie to a wire cooling rack and let it cool at room temperature for at least 2 hours before slicing. Residual heat finishes cooking the center during this rest, allowing the custard to slice into clean, sharp wedges without weeping.

Room Temperature: Because this custard contains eggs and heavy cream, do not leave the pie at room temperature for more than 2 hours after it has finished cooling.
Refrigeration: Cover the cooled pie loosely with plastic wrap or foil and store in the refrigerator for up to 4 days. Many bakers argue that sweet potato pie tastes even better on day two once the spices have fully bloomed.
Freezing: Wrap the completely cooled, un-sliced pie tightly in two layers of plastic wrap followed by a layer of heavy-duty aluminum foil. Freeze for up to 2 months. Thaw overnight in the refrigerator before serving.

Values are approximate per serving (1 slice, based on 8 servings per pie, using a standard butter pastry crust):

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