Warm cake, glossy toffee sauce, and a holiday twist! Try sweet potato sticky toffee pudding for a fall dessert worth adding to your Thanksgiving menu!!

Pull out your stretchy pants and hide your bathroom scale, because this sweet potato sticky toffee pudding is about to ruin all other autumn desserts for you forever!

About This Recipe and How It Tastes

First, we roast a whole orange-fleshed sweet potato in its jacket until natural sugars bubble out of the skin like dark amber honey, and then we pair that concentrated, velvety mash with nutty browned butter, dark brown sugar, a touch of blackstrap molasses, and dates steeped in hot Earl Grey tea.

When you take your first forkful of this British-style pudding, you get a whisper-crisp caramelized top edge followed by a cloud-like, warmly spiced sponge bursting with butterscotch notes from soaked dates, all swimming in a glossy, velvety toffee glaze finished with flaky sea salt and a splash of bourbon!

Ingredients

For the Roasted Sweet Potato & Date Mixture

• 1 large orange-fleshed sweet potato (such as Jewel or Beauregard, about 10 to 12 ounces / 300g raw weight)
• 6 ounces (170g, about 1 cup tightly packed) pitted Medjool dates, finely chopped into pea-sized bits:
• 3/4 cup (180ml) boiling hot brewed Earl Grey tea (or plain boiling water)
• 1 teaspoon (5g) baking soda

For the Brown Butter Spiced Pudding Cake

• 8 tablespoons (1 stick / 113g) unsalted butter, plus extra for greasing your pan
• 1 and 1/2 cups (190g) all-purpose flour
• 1 teaspoon (4g) baking powder
• 1 and 1/2 teaspoons ground Ceylon cinnamon
• 1/2 teaspoon freshly grated nutmeg (or ground nutmeg)
• 1/2 teaspoon ground ginger
• 1/2 teaspoon fine sea salt
• 3/4 cup (150g) tightly packed dark brown sugar (or dark muscovado sugar)
• 1 tablespoon (20g) unsulphured blackstrap molasses
• 2 large eggs (100g out of shell), at room temperature
• 2 teaspoons (10ml) pure vanilla extract

For the Salted Brown Butter Maple-Bourbon Toffee Sauce

• 8 tablespoons (1 stick / 113g) unsalted butter
• 1 cup (200g) tightly packed dark brown sugar
• 1/4 cup (60ml) pure Grade A dark maple syrup
• 1 cup (240ml) heavy whipping cream (at least 36% milkfat)
• 1 to 2 tablespoons (15ml to 30ml) Kentucky bourbon (or 1 tablespoon apple cider vinegar for an alcohol-free version)
• 1 teaspoon (5ml) pure vanilla extract
• 1/2 teaspoon flaky sea salt (such as Maldon), plus extra for sprinkling on top
• 1/2 cup (60g) raw pecan halves, roughly chopped and toasted

Yield / Servings: 8 generous servings (baked in one 9×9-inch square baking pan or eight 6-ounce individual ramekins!)

Prep Time: 25 minutes (plus 45 to 55 minutes for roasting your sweet potato!)
Bake Time: 32 to 38 minutes
Total Time: About 1 hour 35 minutes

How to Make Sweet Potato Sticky Toffee Pudding

Preheat your oven to 400°F (200°C), line a small baking sheet with foil so dripping caramel does not weld itself to your pan, prick your whole unpeeled sweet potato six or seven times with a fork, and roast it directly on that foil for 45 to 55 minutes until a knife slides through its thickest center with zero resistance and syrupy brown bubbles ooze from each fork hole.

Don’t skip this step, and here is why: boiling peeled chunks in water floods starch cells with moisture and washes away natural sugars, whereas dry oven heat evaporates excess water and caramelizes natural maltose right inside the skin.

Once cool enough to handle, slit open that papery jacket, scoop out 3/4 cup (180g) of vibrant orange flesh into a bowl, and mash it furiously with a fork or whisk until completely silky and free of strings, saving any leftover potato for your morning eggs.

Lower your oven temperature to 350°F (175°C) and generously butter a 9×9-inch metal or ceramic baking pan, dusting it lightly with flour or lining the bottom with a strip of parchment paper.

While your oven adjusts, toss your finely chopped Medjool dates into a heatproof medium bowl, pour 3/4 cup (180ml) of boiling hot Earl Grey tea right over them, and stir in 1 teaspoon of baking soda.

Watch how it immediately fizzes and foams like a middle school science fair volcano. Let those dates sit and steep for 15 minutes while you prepare everything else, then take a fork and mash about half of the softened dates against the side of your bowl so they form a jammy paste while leaving the other half as tender little jewel-like chunks.

Grab a light-colored skillet or saucepan so you can actually see colour changes, drop in 1 stick (113g) of unsalted butter for your cake batter over medium heat, and swirl the pan occasionally as the butter melts,Crackles, and spits.

Within 4 to 5 minutes, loud sputtering will quiet down, a dense cap of white foam will rise, and nutty aromas like toasted pecans and butterscotch will fill your kitchen.

Watch like a hawk right now, because milk solids at the bottom of your pan turn from golden tan to burnt black in ten seconds flat, so the exact moment you spot rich amber specks beneath the foam, pour that liquid gold and every single brown speck into a large mixing bowl to cool for 10 minutes until warm to the touch rather than piping hot.

Whisk your all-purpose flour, baking powder, cinnamon, nutmeg, ginger, and fine sea salt together in a separate bowl until no streaks of spice remain.

Turn back to your bowl of warm browned butter, dump in your dark brown sugar and blackstrap molasses, and whisk vigorously for a full minute until the mixture looks like wet, glossy boardwalk sand.

Crack in your two room-temperature eggs one at a time along with your vanilla extract, whisking hard for 45 seconds until the mixture turns pale, ribbony, and slightly thickened, and then whisk in your 3/4 cup of smooth roasted sweet potato mash until completely unified and glowing orange-gold.

Tip half of your spiced flour mixture into your wet sweet potato bowl, stir gently with a silicone spatula until barely combined, pour in half of your warm date-and-tea mixture, fold a few times, and then add the remaining flour and remaining dates.

Don’t skip this alternating folding method, and here is why: dumping all that hot tea liquid into buttery batter at once causes emulsion separation, whereas alternating flour and liquid keeps your batter velvety and prevents overworking gluten.

Stop folding the exact second the last dusty pocket of flour disappears, scrape the thick, fragrant batter into your prepared 9×9-inch pan, smooth the top with your offset spatula, and slide it onto the center rack of your 350°F (175°C) oven.

Bake for 32 to 38 minutes, keeping your oven door closed for the first 30 minutes so your dome does not collapse.

You will know it is ready when your whole house smells like a spiced bakery, the edges pull slightly away from the sides of the pan, the center springs right back when tapped lightly with your fingertip, and an instant-read thermometer poked into the middle reads between 200°F and 205°F (93°C to 96°C).

While your cake bakes, scatter your chopped pecans on a small dry skillet over medium-low heat and toast them for 4 minutes, tossing frequently until fragrant and darkened by one shade, then transfer them immediately to a plate so they do not scorch.

Make your toffee sauce during the last 15 minutes of baking by melting 1 stick (113g) of butter in a heavy 2-quart saucepan over medium heat, letting it bubble for 3 minutes until lightly golden and fragrant, and then stirring in your dark brown sugar, maple syrup, and heavy cream.

Bring the mixture to a lively, rolling boil over medium heat, then adjust your burner so it maintains a steady, energetic bubble for 4 to 5 minutes (reaching about 220°F / 104°C on a thermometer), stirring constantly with a heatproof spatula so sugar never scorches on the bottom, until the sauce thickens enough to coat the back of a metal spoon in a shiny, mahogany glaze.

Remove the pan from the heat and carefully stir in your bourbon, vanilla extract, and flaky sea salt, stepping back slightly because the bourbon will bubble up and release a glorious cloud of butterscotch steam.

Pull your hot pudding cake from the oven, set the pan on a wire cooling rack, and immediately take a wooden skewer or chopstick to poke 40 to 50 deep holes all the way to the bottom of the cake, spacing them half an inch apart across the entire surface.

Pour half of your hot toffee sauce (about 1 cup) slowly and evenly over the warm cake, pausing to watch the sponge drink that glossy liquid right down into the holes like a thirsty desert.

Then scatter your toasted pecans on top and let the pudding rest for 15 to 20 minutes so the sauce sets into a gooey, fudgy layer throughout the crumb while keeping the remaining warm sauce in your pot for pouring at the table!

Serving Suggestions!

• The Cold Cream Contrast: Scoop a big, steaming square into a shallow pasta bowl, ladle an extra river of warm toffee sauce around the base, and pour cold, unwhipped heavy cream right over the top so you get hot caramel and icy cream in every single spoonful.
• A La Mode Heaven: Crown a warm portion with a generous scoop of real vanilla bean ice cream or butter pecan ice cream, then finish with an extra pinch of flaky Maldon sea salt to cut through the sweetness!
• Tangy Crème Fraîche Swirl: If you prefer desserts that are not overly sweet, a dollop of cold crème fraîche or whole-milk Greek yogurt melts into the spiced bourbon toffee sauce like a dream.

Nothing brings folks running to the kitchen table faster than the smell of brown butter and warm spices drifting out of your oven, and this sweet potato sticky toffee pudding guarantees empty plates and chorus lines of happy groans at your next dinner party!

Make a batch this weekend, keep that extra pitcher of warm bourbon toffee sauce within arm’s reach, and drop a comment below to let me know if you went with cold pouring cream or a mountain of vanilla ice cream on top!