Smokin and Grillin With AB Sweet Potato Pie Recipe: Spiced Custard in a Flaky Crust

This sweet potato pie delivers a flaky crust with a custard so spiced and smooth, it redefines holiday desserts. I’ve refined this recipe through years of testing to balance warmth and sweetness perfectly.

What sets it apart is the precision—roasted sweet potatoes for depth, a touch of nutmeg for complexity, and a crust that shatters with every bite. It’s tradition elevated.

Ingredients for Smokin and Grillin with Ab Sweet Potato Pie

Every bite starts here: flaky crust, roasted sweet potatoes, and warm spices for that perfect custard.

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The sweet potatoes are the foundation. Roast them whole (don’t peel first) at 400°F until they’re caramelizing at the edges—about 1 hour. This concentrates their flavor. For the crust, cold butter is non-negotiable; I recommend Plugra or Kerrygold for their higher fat content. The flour should be all-purpose; no need for anything fancy here.

Short on time? Canned sweet potato puree works in a pinch (about 4 cups), but roasting fresh is worth it. No nutmeg? Allspice at half the amount gives a similar warmth. For a deeper flavor in the crust, swap 1/4 cup of the flour for cornmeal. The evaporated milk can be coconut milk for a dairy-free take, though texture will vary slightly.

The pie keeps well at room temperature for 2 days, but I’d refrigerate after that for up to 5 days. Freeze slices for 3 months—thaw overnight before serving. The crust can be made a day ahead; just wrap it tightly in plastic.

Step-by-Step Instructions for Sweet Potato Pie with Spiced Custard

Here’s the method. Straightforward, tested, works every time.

Step 1: Prepare and Roast the Sweet Potatoes

Preheat your oven to 400°F. Pierce the 3 lb Sweet Potatoes all over with a fork and place them directly on the oven rack. Roast for 45-60 minutes until they’re completely tender when pierced with a knife and their sugars begin to caramelize.

You’ll know they’re done when a knife slides in effortlessly and they start to collapse slightly. This roasting method intensifies their natural sweetness and gives the filling a deeper, more complex flavor than boiling. Remove from oven and let cool until safe to handle, then peel off the skins.

Step 2: Make the Flaky Pie Crust

In a food processor, pulse the 2.5 cups All-Purpose Flour with ½ tsp Salt to combine. Add the 1 cup Unsalted Butter (cold and cubed) and pulse until the mixture resembles coarse crumbs with some pea-sized butter pieces remaining.

With the processor running, slowly drizzle in the ½ cup Ice Water through the feed tube. Stop as soon as the dough just comes together—it should look shaggy, not smooth. Turn out onto a lightly floured surface, shape into a disk, wrap in plastic, and chill for 1 hour. This resting time allows the gluten to relax, ensuring a tender, flaky crust.

Step 3: Prepare the Spiced Custard Filling

In a large bowl, mash the peeled Sweet Potatoes until completely smooth—no lumps should remain. Add the 1.5 cups Granulated Sugar, ¾ cup Brown Sugar, 4 whole Large Eggs, 1 can Evaporated Milk, ½ cup Unsalted Butter (melted), 2 tsp Ground Cinnamon, ½ tsp Ground Nutmeg, 2 tsp Vanilla Extract, and remaining ½ tsp Salt.

Whisk vigorously until the mixture is silky and fully combined. The texture should be similar to a thick pancake batter. This thorough mixing incorporates air and ensures the spices are evenly distributed throughout the filling.

Step 4: Assemble and Bake the Pie

On a lightly floured surface, roll out the chilled dough to a 12-inch circle. Transfer to a 9-inch pie dish, trim the edges, and crimp decoratively. Pour the sweet potato filling into the crust—it should come right to the rim but not overflow.

Bake at 350°F for 55-65 minutes until the filling is set with just a slight jiggle in the center when gently shaken. The crust should be golden brown and the filling should have risen slightly. If the edges begin to brown too quickly, cover them with aluminum foil.

Step 5: Cool and Serve

Remove the pie from the oven and let it cool completely on a wire rack, about 2 hours. This cooling time allows the custard to fully set and makes it easier to slice. The filling will deflate slightly as it cools—this is normal.

Serve at room temperature or slightly chilled. The pie should have a smooth, velvety filling with a perfect balance of spices and sweetness, all encased in that promised flaky crust. Store any leftovers covered in the refrigerator for up to 3 days.

Creative Variations of These Flavors

Smoked Sweet Potato

For a smoky twist, roast your 3 lb Sweet Potatoes on the grill over indirect heat with hickory chips. Smoke them at 275°F for 2-3 hours until tender. This infuses the filling with a subtle wood-fired depth that pairs beautifully with the spices. 🔥

Grilled Crust

Roll out your dough and press it into a cast-iron skillet. Preheat your grill to medium-high heat and bake the crust for 10-12 minutes until golden. This gives the base a smoky char that complements the custard perfectly.

Maple Bourbon Swirl

Before baking, swirl ¼ cup maple syrup mixed with 2 tbsp bourbon into the filling for a Southern-inspired richness. I use Maker’s Mark for its smooth vanilla notes that enhance the pie’s warmth.

Gingerbread Spice

Add 1 tsp ground ginger and ¼ tsp cloves to your spice mix for a gingerbread twist. This variation brings a cozy, holiday depth that reminds me of my family’s backyard cookouts.

Coconut Cream Topping

Swap the evaporated milk for coconut milk and top with toasted coconut flakes after baking. This tropical spin adds a creamy texture and nutty flavor that’s unexpected but delicious.

Pecan Streusel

Mix ½ cup chopped pecans, ¼ cup brown sugar, and 2 tbsp melted butter for a crunchy topping. Sprinkle over the pie before baking for a nutty, textured contrast to the smooth custard. ✨