Moist Sweet Potato Maple Cake You’re Sure To Love
Sweet potato and maple are a natural pair, sweet, earthy, and warm without being heavy. This cake leans into those flavors and turns them into something tender and comforting that you can make on a weeknight. The best part: it’s steamed in a pressure cooker, so it stays extra moist and bakes fast without heating up your whole kitchen.
Think of it like a cross between a classic snack cake and a pudding cake, lightly spiced and not too sweet. It’s just as good for brunch as it is for dessert.
Why This Recipe Works

- Steam equals moisture: The pressure cooker environment gently steams the batter, which keeps the crumb soft and prevents dryness.
- Sweet potato brings structure: Mashed sweet potato adds natural sweetness, fiber, and body, which means you can use less sugar and still get a plush texture.
- Maple syrup for flavor depth: Real maple syrup adds caramel notes and a subtle complexity that white sugar can’t match.
- Oil instead of butter: Neutral oil keeps the crumb tender and makes the cake soft even when chilled.
- Simple technique: No fancy steps—mix, pour, and cook. The pressure cooker does the heavy lifting.
Shopping List of Ingredients
- Sweet potato: 1 large (about 12–14 oz), to yield 1 cup mashed
- All-purpose flour: 1 1/2 cups
- Baking powder: 1 1/2 teaspoons
- Baking soda: 1/2 teaspoon
- Kosher salt: 1/2 teaspoon
- Cinnamon: 1 teaspoon
- Nutmeg: 1/4 teaspoon (optional)
- Eggs: 2 large, room temperature
- Maple syrup: 1/2 cup, preferably Grade A Dark/Amber
- Brown sugar: 1/3 cup, packed
- Neutral oil: 1/3 cup (canola, grapeseed, or light olive oil)
- Milk: 1/2 cup (dairy or unsweetened non-dairy)
- Vanilla extract: 1 1/2 teaspoons
- Lemon zest: 1/2 teaspoon (optional, brightens the maple)
- For the cooker: 1 1/2 cups water
- For the pan: Cooking spray or softened butter, plus parchment
Instructions

- Prep the sweet potato: Peel and cube the sweet potato.Steam or microwave until very tender. Mash well and cool to room temp. You need 1 cup mashed.
- Prepare the pan: Grease a 7-inch round cake pan (or 6-cup Bundt, if it fits your cooker).Line the bottom with parchment and grease again. Cover the top tightly with foil for steaming.
- Set up the pressure cooker: Add 1 1/2 cups water to the pot and place the trivet inside. You’ll lower the pan onto this so it doesn’t sit in the water.
- Mix dry ingredients: In a medium bowl, whisk flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
- Whisk wet ingredients: In a large bowl, whisk eggs, maple syrup, brown sugar, oil, milk, vanilla, lemon zest (if using), and the cooled mashed sweet potato until smooth.
- Combine: Add dry ingredients to wet.Stir gently just until combined. The batter will be thick and silky—avoid overmixing.
- Fill the pan: Scrape batter into the prepared pan. Smooth the top.Tap lightly to release air bubbles. Cover tightly with foil.
- Pressure cook: Lower the pan onto the trivet. Seal the lid.Cook on High Pressure for 45 minutes.
- Release and check: Let pressure naturally release for 10 minutes, then quick release the rest. Carefully lift out the pan. Remove foil.A tester should come out clean or with a few moist crumbs. If underdone, re-cover and cook 5–7 minutes more at High Pressure with a quick release.
- Cool: Let the cake cool in the pan for 15 minutes. Run a knife around the edge, invert onto a rack, peel off parchment, and flip upright.Cool at least 30 minutes before slicing.
- Optional finish: Brush the warm cake with 1–2 tablespoons maple syrup for shine and extra flavor. A dusting of powdered sugar or a spoon of yogurt or whipped cream also works.
Keeping It Fresh
Once cooled, wrap the cake snugly or store it in an airtight container. It keeps at room temperature for 2 days.
For longer storage, refrigerate for up to 5 days; the texture stays tender thanks to the oil and sweet potato. To freeze, wrap slices individually and freeze up to 2 months. Thaw at room temp or warm in the microwave for 20–30 seconds for that fresh-baked feel.

Health Benefits
- Natural sweetness: Maple syrup and sweet potato let you use less refined sugar while still getting great flavor.
- Fiber and micronutrients: Sweet potatoes are rich in vitamin A, vitamin C, potassium, and fiber, which help support eye health and steady energy.
- Better fats: Using oil instead of butter adds unsaturated fats that keep the cake soft and your heart happier.
- Portion-friendly: The cake’s moisture and spice make small slices satisfying, which helps with mindful eating.
Common Mistakes to Avoid
- Using hot sweet potato: If the mash is warm, it can scramble the eggs or throw off the batter texture.Let it cool.
- Overmixing: Stir just until no dry streaks remain. Overmixing can make the cake tough.
- Skipping the foil cover: Without foil, condensation drips onto the batter and makes soggy spots.
- Wrong pan size: A pan that’s too deep can leave the center undercooked. Aim for a 7-inch round, about 2 inches deep.
- Not checking doneness: Cookers vary.If a tester is wet, give it a few more minutes at pressure rather than guessing.
Alternatives
- Dairy-free: Use almond, oat, or soy milk. The cake remains tender and flavorful.
- Gluten-free: Swap in a 1:1 gluten-free all-purpose blend with xanthan gum. Add 2 tablespoons milk if the batter seems too thick.
- No maple syrup: Use honey or agave.Flavor will change slightly; add 1 more teaspoon vanilla to boost aroma.
- Spice swap: Try pumpkin pie spice or add cardamom and ginger for a chai-like twist.
- Add-ins: Fold in 1/2 cup chopped pecans or walnuts, or 1/2 cup dark chocolate chips for a richer dessert.
- Topping: A quick maple yogurt drizzle (1/2 cup Greek yogurt + 1–2 tablespoons maple syrup) is fresh and simple.
FAQ
Can I use canned sweet potato puree?
Yes. Drain any excess liquid and measure 1 cup. Canned puree tends to be smooth and consistent, which works well.
Just avoid canned sweet potato pie filling, which includes sugar and spices.
What if I don’t have a 7-inch cake pan?
A 6-cup Bundt or 7-inch springform can work if it fits your cooker. Line and wrap well with foil. If your pan is wider and shallower, reduce pressure time by 3–5 minutes and check early.
How do I make this without a pressure cooker?
Bake in a 9-inch round pan at 350°F (175°C) for 28–34 minutes, or until a tester comes out clean.
The oven version is slightly drier but still delicious.
Can I reduce the sugar?
Yes. You can cut the brown sugar to 1/4 cup for a lightly sweet snack cake. Keep the maple syrup for flavor and moisture.
Why is my cake gummy in the center?
It was either undercooked or had too much moisture.
Make sure the sweet potato is well-mashed and not watery, cover the pan with foil, and extend the pressure time by 5–7 minutes if needed.
Do I need a sling to lift the pan?
It helps. Fold a long strip of foil under the pan for easy lifting. Many cookers also include a trivet with handles that works well.
Which maple syrup grade is best?
Use Grade A Dark/Amber for the richest flavor.
Lighter grades are more delicate and can get lost in the cake.
Wrapping Up
This Sweet Potato Maple Pressure Cooker Cake is simple, cozy, and foolproof. It leans on pantry staples, cooks fast, and stays wonderfully moist. Keep it plain for everyday snacking or dress it up with a maple glaze for company.
Once you try it, it’ll become your go-to when you want a warm, crowd-pleasing cake without turning on the oven.
Sweet Potato Maple Pressure Cooker Cake - Cozy, Moist, and Weeknight-Friendly
Ingredients
- Sweet potato: 1 large (about 12–14 oz), to yield 1 cup mashed
- All-purpose flour: 1 1/2 cups
- Baking powder: 1 1/2 teaspoons
- Baking soda: 1/2 teaspoon
- Kosher salt: 1/2 teaspoon
- Cinnamon: 1 teaspoon
- Nutmeg: 1/4 teaspoon (optional)
- Eggs: 2 large, room temperature
- Maple syrup: 1/2 cup, preferably Grade A Dark/Amber
- Brown sugar: 1/3 cup, packed
- Neutral oil: 1/3 cup (canola, grapeseed, or light olive oil)
- Milk: 1/2 cup (dairy or unsweetened non-dairy)
- Vanilla extract: 1 1/2 teaspoons
- Lemon zest: 1/2 teaspoon (optional, brightens the maple)
- For the cooker: 1 1/2 cups water
- For the pan: Cooking spray or softened butter, plus parchment
Instructions
- Prep the sweet potato: Peel and cube the sweet potato. Steam or microwave until very tender. Mash well and cool to room temp. You need 1 cup mashed.
- Prepare the pan: Grease a 7-inch round cake pan (or 6-cup Bundt, if it fits your cooker). Line the bottom with parchment and grease again. Cover the top tightly with foil for steaming.
- Set up the pressure cooker: Add 1 1/2 cups water to the pot and place the trivet inside. You’ll lower the pan onto this so it doesn’t sit in the water.
- Mix dry ingredients: In a medium bowl, whisk flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
- Whisk wet ingredients: In a large bowl, whisk eggs, maple syrup, brown sugar, oil, milk, vanilla, lemon zest (if using), and the cooled mashed sweet potato until smooth.
- Combine: Add dry ingredients to wet. Stir gently just until combined. The batter will be thick and silky—avoid overmixing.
- Fill the pan: Scrape batter into the prepared pan. Smooth the top. Tap lightly to release air bubbles. Cover tightly with foil.
- Pressure cook: Lower the pan onto the trivet. Seal the lid. Cook on High Pressure for 45 minutes.
- Release and check: Let pressure naturally release for 10 minutes, then quick release the rest. Carefully lift out the pan. Remove foil. A tester should come out clean or with a few moist crumbs. If underdone, re-cover and cook 5–7 minutes more at High Pressure with a quick release.
- Cool: Let the cake cool in the pan for 15 minutes. Run a knife around the edge, invert onto a rack, peel off parchment, and flip upright. Cool at least 30 minutes before slicing.
- Optional finish: Brush the warm cake with 1–2 tablespoons maple syrup for shine and extra flavor. A dusting of powdered sugar or a spoon of yogurt or whipped cream also works.
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