Roasted Sweet Potato Pie
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Roast the sweet potatoes whole until they turn soft and syrupy, blend them smooth with butter and vanilla, and pour into a warm crust. Then comes the three-hour cool, which is the hardest part.
The short version
Roast sweet potatoes until soft and syrupy, blend the flesh with butter, sugar, eggs, evaporated milk and a light hand of spice, and pour into a warm blind-baked crust. Bake at 350°F until the center barely wobbles, 40 to 55 minutes, and cool 3 hours. Roast, don't boil.
What makes ours better
small changes, very loud compliments
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Roast the sweet potatoes whole. Boiled sweet potatoes soak up water and taste faint. Roasted in their skins, they lose water instead, and the sugars caramelize into a deep, almost maple sweetness. It's also less work; no peeling.
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Blend it, don't just mash it. A blender or food processor breaks down the stringy fibers that a masher leaves behind and turns the filling into a smooth, pourable custard.
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More butter and vanilla, less spice than pumpkin. Sweet potato has its own flavor to show off. Melted butter, vanilla and nutmeg lead here, with cinnamon in the background, so it tastes richer and rounder than a pumpkin pie instead of like its twin.
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Blind-bake the crust and fill it warm. A par-baked shell starts setting the custard at the bottom right away, so the crust stays crisp instead of soaking.
What you need
check the pantry before you promise anyone
- Single 9-inch all-butter pie crust1
- Orange-fleshed sweet potatoes2¼ pounds
- Packed light brown sugar¾ cup
- Granulated sugar¼ cup
- Eggs2 large
- Evaporated milk1 cup
- Vanilla extract1½ teaspoons
- Ground cinnamon1 teaspoon
Crust
Filling
yes, all of the butter
Steps
apron on. phone down. mostly.
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Roast the sweet potatoes
Heat the oven to 425°F. Prick each sweet potato a few times with a fork and set them on a foil-lined sheet pan. Roast until a knife slides through the thickest part with no resistance and syrup bubbles out onto the foil, 50 to 70 minutes depending on size.
Go past just-tender. Soft, collapsing potatoes are sweeter and blend smoother.
About 60 min. Cook mode has a timer for this step.
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Cool and scoop
Let the potatoes cool until you can handle them, about 30 minutes. Split them and scoop out the flesh, leaving the skins and any dark, hard spots behind. Measure 1¾ cups (425 g), packed lightly.
About 30 min. Cook mode has a timer for this step.
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Blind-bake the crust
While the potatoes cool, follow the pie crust steps through the blind bake at 375°F, pulling the shell when the bottom is pale gold and dry, about 35 minutes in all. Lower the oven to 350°F. Keep the shell warm.
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Blend the filling
In a blender or food processor, blend the sweet potato, melted butter, brown sugar and granulated sugar until completely smooth, about 1 minute. Add the eggs, yolk, evaporated milk, vanilla, cinnamon, nutmeg, ginger and salt and blend until even, scraping down once. It should look like thick, glossy cream with no fibers.
For the silkiest pie, press the filling through a fine-mesh strainer. It catches the last strings.
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Fill the warm crust
Set the warm shell on a foil-lined sheet pan. Pour in the filling, stopping about ¼ inch below the top of the crimp. Bake any extra in a buttered ramekin alongside.
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Bake
Bake at 350°F for 40 to 55 minutes, until the edges are set and slightly puffed and the center 2 inches wobble gently, like set gelatin, when you nudge the pan. A thermometer in the center reads 175°F. If the crust edge darkens early, lay strips of foil over it.
Start checking at 40 minutes. A pie that's firm to the center in the oven will crack as it cools.
About 45 min. Cook mode has a timer for this step.
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Cool for 3 hours
Cool the pie on a rack for at least 3 hours so the custard can finish setting. Serve at room temperature or chilled, with lightly sweetened whipped cream.
About 180 min. Cook mode has a timer for this step.
Good to know
read this before somebody asks for seconds
- Choose orange-fleshed sweet potatoes (sometimes sold as yams). White and purple varieties are drier and less sweet, and the pie won't set the same way.
- Roast the potatoes up to 3 days ahead and refrigerate the scooped flesh. Let it come to room temperature before blending.
- Heavy cream works in place of evaporated milk for a richer, softer custard. A tablespoon of bourbon in the filling is an old Southern habit worth keeping.
- Make ahead. Bake the pie a day early, cool it fully and refrigerate it loosely covered. Let it sit out 30 minutes before serving.
- Storage. Loosely covered in the fridge, 4 days. Don't freeze it; the custard turns watery when it thaws.
Questions, answered
asked and answered at the kitchen counter
What's the difference between sweet potato pie and pumpkin pie?
Sweet potato pie is sweeter, richer and a little denser, with more butter and vanilla and lighter spice. Pumpkin pie leans on cinnamon, ginger and cloves because pumpkin itself is mild. Both are baked custards in a crust.
Should I boil or roast sweet potatoes for pie?
Roast them. Boiling adds water and dilutes the flavor; roasting drives water off and caramelizes the sugars, so the filling is sweeter and sets firmer.
Why is my sweet potato pie stringy?
The potatoes were mashed instead of blended. A blender or food processor breaks down the fibers, and a pass through a fine-mesh strainer catches the rest.
How do I know when sweet potato pie is done?
The edges are set and the center 2 inches still wobble slightly when you nudge the pan. A thermometer in the middle reads 175°F. It firms up the rest of the way as it cools.
Can I use canned sweet potatoes?
Use canned sweet potato puree, not yams in syrup, and you'll need 1¾ cups. The flavor is flatter than roasted, so it's a fallback, not a shortcut we'd choose.
Can I make sweet potato pie ahead?
Yes. Bake it the day before, cool it completely and refrigerate it loosely covered. It slices even cleaner on day two.
From the table
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Made it?
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Published October 26, 2026.