Sweet Potato Pie Recipe with Maple Syrup

This sweet potato maple pie combines a silky smooth filling with the cozy flavours of autumn.

The natural sweetness of roasted sweet potatoes blends beautifully with the richness of maple syrup, creating a warm and comforting dessert that feels both indulgent and wholesome.

It’s the perfect recipe for family dinners, festive gatherings, or simply enjoying a slice of seasonal goodness with a cup of tea.

What you’ll find in this recipe:

• How to make a homemade sweet potato pie with a smooth maple filling and buttery crust.
• Why roasting the sweet potatoes gives the filling a richer flavour.
• How to prevent a watery filling, soggy pastry or cracks on top.
• Make-ahead, storage, freezing and serving suggestions.

Why this maple sweet potato pie works

I rarely use sweet potatoes in desserts because I usually prefer them simply roasted with a drizzle of oil. However, when I found a sweet potato pie recipe in one of my old cookbooks, its similarity to the pumpkin pie my children enjoy immediately caught my attention.

The original recipe suggested boiling the sweet potatoes, but I roast them instead. Roasting concentrates their natural sweetness and avoids introducing excess water into the filling. Once the tender flesh is pressed through a sieve, it becomes exceptionally smooth and produces a creamy pie that slices cleanly after cooling.

The maple syrup gives this version its own character. It adds a warm, almost caramel-like flavour without overpowering the sweet potato or the spices.

My most important tip: do not cut the pie while it is hot. Let it cool completely for at least 3 to 4 hours. The residual heat finishes setting the custard, and the texture becomes silkier as it rests.

Sweet potato pie ingredients

This homemade sweet potato pie is made in a 20 cm or 8-inch pie or tart pan. Weighing the purée is more reliable than counting the potatoes because their sizes vary considerably.

For the homemade pie crust

• 190 g (1 ½ cups) all-purpose flour: forms the structure of the pastry. For the most accurate result, weigh the flour or spoon it lightly into the measuring cup rather than packing it.
• 1 pinch of salt: seasons the pastry and prevents it from tasting flat.
• 90 g (6 tablespoons) cold unsalted butter: cold butter helps produce a tender, slightly flaky crust. Cut it into small cubes before mixing.
• 45 ml (3 tablespoons) ice-cold water: brings the dough together without warming the butter. Depending on the flour and room humidity, you may need approximately one additional teaspoon.

For the sweet potato maple filling

• 600 g (about 2 ½ cups) roasted sweet potato purée: use orange-fleshed sweet potatoes for a creamy texture, warm colour and naturally sweet flavour. In the UK, choose orange sweet potatoes rather than white-fleshed regular potatoes.
• 60 g (¼ cup packed) brown sugar: adds caramel notes and complements the maple syrup. Light or dark brown sugar can be used.
• 120 ml (½ cup) pure maple syrup: gives the pie its distinctive maple flavour. Use pure maple syrup rather than maple-flavoured pancake syrup.
• 2 large eggs: set and bind the filling. Bring them to room temperature so they incorporate evenly.
• 1 teaspoon pumpkin pie spice: adds warmth without masking the sweet potato. My preferred mixture contains cinnamon, ginger, nutmeg and cloves. You can also make your own homemade pumpkin pie spice.
• 80 g (6 tablespoons) unsalted butter, melted: enriches the filling and gives it a smooth, luxurious mouthfeel. Let it cool slightly before adding it to the eggs.

How to make sweet potato pie with maple syrup

1. Roast the sweet potatoes

1. Preheat the oven to 180°C / 350°F.
2. Wash and dry approximately 3 large orange-fleshed sweet potatoes. Prick each one several times with a fork and place them on a parchment-lined baking tray.
3. Roast for 45 to 65 minutes, depending on their size. They are ready when a knife slides easily into the centre without resistance.
4. Let them cool until comfortable to handle, then split them open and scoop out the flesh.
5. Press the flesh through a fine-mesh sieve or potato ricer. Weigh out exactly 600 g of purée and let it cool.

Why I roast rather than boil: boiling can leave the sweet potato purée holding too much water. Roasting concentrates its flavour and gives the finished pie a creamier, more stable texture.

2. Prepare and chill the pastry

1. Place the flour and salt in a mixing bowl. Add the cubes of cold butter.
2. Rub the butter into the flour with your fingertips until the mixture resembles coarse breadcrumbs, with a few small flakes of butter still visible.
3. Add the ice-cold water gradually, mixing gently with a wooden spoon or fork. Stop as soon as the dough holds together when pressed. Avoid kneading it.
4. Shape the dough into a disc, cover it and refrigerate for 20 to 30 minutes.
5. Roll it out on a lightly floured surface until it is large enough to line a 20 cm or 8-inch pan.
6. Transfer the pastry to the pan, press it gently against the base and sides, and trim the excess. Refrigerate the lined pan while preparing the filling.
7. If desired, reroll the trimmings and cut out small pastry leaves for decoration. Keep these chilled as well.

3. Mix the maple sweet potato filling

1. Place the cooled sweet potato purée in a large mixing bowl and whisk briefly to loosen it.
2. Add the brown sugar, maple syrup and pumpkin pie spice. Whisk until evenly blended.
3. Beat the eggs lightly in a separate bowl, then whisk them into the sweet potato mixture.
4. Slowly add the cooled melted butter and mix just until the filling is smooth. Avoid vigorously whipping air into it, as excess air can encourage the surface to puff and crack.

4. Fill and bake the pie

1. Place a heavy baking tray in the oven while it preheats to 180°C / 350°F. The hot tray helps the base of the pastry begin baking quickly.
2. Pour the filling into the chilled crust and smooth the top gently.
3. Arrange the chilled pastry leaves on the filling. Do not cover the whole surface, as the filling needs to bake evenly.
4. Place the pie pan on the hot baking tray and bake for approximately 40 to 50 minutes.
5. The pie is ready when the outer part of the filling is set but the centre still has a small, gentle wobble when the pan is moved. It should not look liquid.
6. If the pastry edges brown too quickly, loosely shield only the edges with strips of foil.
7. Transfer the pie to a wire rack and let it cool completely for at least 3 to 4 hours before slicing.

Oven tip: if your oven offers bottom heat with fan assistance, it can help the base bake evenly. Otherwise, use a preheated metal tray and place the pie in the lower third of the oven.

Expert tips for the best sweet potato pie

• Use orange-fleshed sweet potatoes: they produce a sweeter, creamier and more colourful filling than pale varieties.
• Measure the cooked purée: “three large potatoes” is only a guide. Using 600 g keeps the ratio of purée, eggs, butter and sweeteners consistent.
• Remove coarse fibres: pressing the cooked flesh through a sieve takes a few extra minutes but creates a noticeably silkier filling.
• Keep the pastry cold: if it becomes soft while rolling or decorating, chill it again before baking.
• Do not overmix after adding the eggs: a heavily aerated filling can rise in the oven and then crack as it cools.
• Do not wait for a completely firm centre: the filling continues setting as the pie cools. Baking until the centre is rigid may produce a dry or cracked pie.
• Cool before refrigerating: placing a steaming pie directly in the refrigerator can create condensation on its surface.

Common mistakes and how to fix them

Why is my sweet potato pie filling watery?

The purée may contain too much moisture, especially if the sweet potatoes were boiled. Roast them instead, and allow visibly wet purée to drain in a fine-mesh sieve before weighing it. The filling should be thick but pourable.

How do I prevent a soggy crust?

Use a cold pastry shell, avoid wet purée and bake the pie on a preheated metal tray in the lower third of the oven. A glass or metal pie pan usually produces a crisper base than a thick ceramic dish.

Why did the top crack?

Cracks usually mean that the filling was overmixed, overbaked or cooled too abruptly. Remove the pie while the centre still moves slightly, then cool it gradually on a wire rack away from cold draughts.

Why is the filling fibrous?

Some sweet potatoes contain more stringy fibres than others. A blender may chop them without fully removing them, so pressing the roasted flesh through a fine sieve or potato ricer gives the smoothest result.

Variations and reliable substitutions

• Store-bought pastry: use a good-quality refrigerated pie crust when you need a faster version. Choose one that fits a 20 cm or 8-inch pan.
• Dairy-free pie: use firm plant-based baking butter in both the crust and filling. Avoid soft tub spreads, which contain more water and may affect the pastry.
• Different spice profile: add a small amount of orange zest, cardamom or allspice. Keep the quantity restrained so the maple and sweet potato remain noticeable.
• Less brown sugar: the brown sugar may be reduced slightly, but keep the maple syrup unchanged if you want the maple flavour to remain clear.
• Decorative crust: use small leaf-shaped cutters for an autumn or Thanksgiving presentation, but keep the centre partly exposed for even baking.

This recipe has not been tested with egg substitutes. Because the eggs are responsible for setting the custard, applesauce, banana or flaxseed should not be presented as direct one-for-one replacements without reformulating the filling.

Serving suggestions

Serve this homemade sweet potato pie chilled or at cool room temperature. Chilling gives it the cleanest slices, while allowing a refrigerated slice to stand for 15 to 20 minutes brings out more of the maple and spice aromas.

It pairs especially well with:

• Lightly sweetened whipped cream and a dusting of cinnamon.
• Vanilla ice cream for a warm-and-cold contrast.
• Crème fraîche or Greek yogurt to balance the sweetness.
• A small drizzle of maple syrup or salted caramel.
• Black tea, coffee or a gently spiced chai.

If you enjoy creamy spiced pies, try my homemade pumpkin pie. For another seasonal bake, see this autumn apple pie with salted caramel.

Storage and make-ahead instructions

• Make ahead: bake the pie one day before serving. Once completely cool, cover and refrigerate it. The resting time helps the filling firm up and makes slicing easier.
• Refrigerator: store covered in the refrigerator for up to 3 to 4 days. Because the filling contains eggs, do not leave it at room temperature for extended periods.
• Freezer: freeze the whole cooled pie or individual slices for up to 2 months. Wrap them well and place them in an airtight container to protect the pastry.
• Thawing: thaw overnight in the refrigerator. For a less chilled texture, let each slice stand at room temperature for approximately 15 minutes before serving.

Frequently asked questions

What are the main ingredients in sweet potato pie?

Sweet potato pie is generally made with cooked sweet potato, eggs, butter, sugar or another sweetener, spices and a pastry crust. This version uses roasted sweet potatoes, brown sugar and pure maple syrup, without milk or cream.

Is sweet potato pie the same as pumpkin pie?

No. Both are spiced custard-style pies, but sweet potato pie usually has a denser, naturally sweeter filling with a more pronounced earthy flavour. Pumpkin pie is generally softer and may contain more dairy.

Do you have to boil sweet potatoes before making pie?

No. Boiling works, but roasting is especially useful for pie because it intensifies the flavour and avoids adding excess water. It is my preferred method for this recipe.

Should sweet potato pie be covered while baking?

The whole pie does not need to be covered. If the pastry edges become dark before the filling has set, shield only those edges loosely with foil and continue baking.

How can you tell when sweet potato pie is done?

The edges of the filling should look set, while a small area in the centre should wobble gently when the pan is moved. It should not ripple like liquid. The residual heat will finish setting the centre as the pie cools.

Can sweet potato pie be made the day before?

Yes. It is an excellent make-ahead dessert because the filling becomes firmer and easier to slice after several hours of cooling and refrigeration.

Can I use canned sweet potato purée?

You can use plain canned purée if it contains no added sugar or spices. If it appears wetter than homemade roasted purée, let it drain briefly before weighing 600 g.

What can I make with extra sweet potatoes?

For a savoury recipe, try these whole air-fryer sweet potatoes. They have crisp skins and soft, fluffy centres.

 by Soulef