Sweet Potato Pound Cake (Super Moist, Soft & Easy to Make)

This Sweet Potato Pound Cake recipe is everything I love in a fall dessert: super moist, buttery, rich, and full of warm flavor in every bite. It has the same silky-soft, tender crumb as my popular Vanilla Pound Cake (a reader favorite!), but with added coziness from real roasted sweet potatoes and subtle spices.

If you want the perfect dessert for Thanksgiving, Sunday dinner, or a cozy night in, this recipe is it. The sweet potatoes keep the cake incredibly soft for days, while the brown sugar and vanilla bring a deep, caramel-like sweetness that feels nostalgic and comforting. And if you want to elevate it even further, my optional maple glaze adds a glossy finish that makes the whole cake shine, literally and flavor-wise.

This is one of those cakes people will beg you to bring to every gathering, and the best part is, it comes together quickly with no special equipment needed.

What Is Sweet Potato Pound Cake?

Sweet Potato Pound Cake is a warm, cozy twist on the classic Southern pound cake. Instead of relying solely on butter, sugar, flour, and eggs (the original “pound” ratios), this version incorporates roasted sweet potato purée for extra moisture, flavor, and richness. The sweet potatoes create a soft, velvety crumb and add a natural sweetness that pairs beautifully with brown sugar, vanilla, and warm spices.

Think Sweet Potato Pie meets Pound Cake! Yup… Sign me up!

Watch the Sweet Potato Pound Cake Video Tutorial

What Makes This the Best Sweet Potato Pound Cake?

Most sweet potato pound cakes rely on heavy spice or dense, muffin-like textures, but this version takes a fresher, more balanced approach. Instead of weighing the batter down with too much purée or sticking to old-school pound-for-pound ratios (that equals dry cakes!), we modernize the recipe so it stays buttery, moist, tender, and full of real sweet potato flavor, without ever turning gummy or dry.

Why This Method Is Better Than Traditional Versions

• Better Texture: Sweet potato can easily weigh a cake down. By using a mix of butter and oil, plus the right amount of sweet potato purée, the crumb stays velvety, soft, and moist, never dense or gummy.
• Easier to Make: No separating eggs, no complicated techniques. This method is straightforward, reliable, and beginner-friendly while still tasting bakery-quality.
• Flavor Forward: Brown sugar, vanilla bean paste, and a touch of warm spice bring out the natural sweetness of the roasted sweet potato. The result is a deeply flavorful cake that feels nostalgic and cozy.

This version delivers all the comfort of classic sweet potato desserts with the structure and richness of a true pound cake. It’s buttery, tender, and perfectly moist — everything a sweet potato pound cake should be.

Butter Equals Flavor. Oil Equals Moisture.

One of the secrets to this Sweet Potato Pound Cake is using both butter and oil. Butter gives you that classic, rich pound-cake flavor. But when you’re working with naturally dense ingredients like sweet potato, butter alone can make the cake bake up a little too heavy.

That’s where the oil comes in. Oil stays liquid at room temperature, which means it keeps the cake soft, tender, and incredibly moist long after it’s baked. The combination creates pure magic: buttery flavor with a melt-in-your-mouth texture.

And here’s a baking tip I live by: Whenever I’m baking a cake, I’ll always use both butter and oil, but especially in a pound cake. Always remember it! It’s the easiest way to guarantee richness and moisture every single time.

Seriously, I use this trick in all my cake recipes, like my famous Vanilla Cake Recipe or Funfetti Cake.

Ingredients You’ll Need

(Full measurements are in the recipe card below!)

• Sweet Potato Purée: Roasted sweet potatoes give this cake natural sweetness, moisture, color, and richness. Roasting intensifies the flavor, making the purée thick and perfect for baking. We are no longer boiling our sweet potatoes.
• Brown + Granulated Sugar: Brown sugar adds warmth, moisture, and deeper flavor, while granulated sugar gives structure and lift.
• Butter + Oil: A combination of the two ensures the perfect texture: buttery flavor with a soft, melt-in-your-mouth crumb.
• Sour Cream Adds moisture, tenderness, and a subtle tang, a must for a soft pound cake.
• Warm Spices: Cinnamon and nutmeg enhance the fall flavor without overwhelming the sweet potato.
• Eggs: Give the cake stability, richness, and the iconic pound cake texture.
• Vanilla Bean Paste or Extract: Adds warmth and boosts the natural sweetness of the sweet potato. Vanilla bean paste also adds beautiful specks throughout the cake.
• All-Purpose Flour: Provides structure while still keeping the crumb soft and velvety.
• Baking Powder: Just enough to give the cake a slight lift without losing that classic dense–but–soft pound cake texture.
• Fine Sea Salt: Balances sweetness and enhances all the cozy fall flavors

How to Make Sweet Potato Pound Cake

Step 1: Roast and Mash the Sweet Potatoes

Roast your sweet potatoes until soft, then scoop out the flesh and mash or blend until completely smooth. Let it cool to room temperature.

Step 2: Prep Your Pan & Ingredients

Grease and flour your Bundt pan (or loaf pans).
Make sure all ingredients — butter, eggs, sour cream, and sweet potato — are at room temperature for the best texture.

Step 3: Cream the Butter, Oil, and Sugars

In a large bowl, beat the butter, oil, granulated sugar, and brown sugar together for 3–4 minutes, until pale, fluffy, and well-aerated.

Step 4: Add the Eggs and Vanilla

Add the eggs one at a time, mixing well after each addition.
Mix in the vanilla bean paste or extract until the mixture is smooth.

Step 5: Add the Sweet Potato Purée

Mix in the roasted sweet potato purée.
The batter may look slightly curdled — this is completely normal and will smooth out once the dry ingredients are added.

Step 6: Whisk the Dry Ingredients

In a separate bowl, whisk together the flour, baking powder, salt, and spices (if using). Make sure there are no lumps.

Step 7: Alternate Dry Ingredients and Sour Cream

Add the dry ingredients in three additions, alternating with the sour cream.
Begin and end with the dry ingredients.
Mix just until everything is combined — do not overmix.

Step 8: Bake the Cake

Pour the batter into the prepared pan and bake at 325°F (163°C) until a toothpick inserted into the center comes out with moist crumbs. Avoid overbaking.

Step 9: Cool the Cake

Let the cake cool in the pan for 15 minutes, then carefully flip it onto a wire rack.
Allow it to cool completely before glazing or slicing.

Tips for the Best Sweet Potato Pound Cake

1. Roast your sweet potatoes. Roasting concentrates the flavor and keeps the purée thick, not watery, which helps the cake stay fluffy and rich. Simply throw them into an oven for about an hour or until fork-tender.

2. Cream the butter and sugar properly. Beat for 3–4 minutes until pale and fluffy. This aeration gives the cake its signature lift and velvety crumb.

3. Alternate adding dry ingredients and sour cream. This prevents overmixing and keeps the cake soft, never dense.

4. Bake until moist crumbs form. Overbaking dries out a pound cake quickly. Pull it when a toothpick shows moist crumbs, not wet batter.

How to Store Sweet Potato Pound Cake

One of the best things about this Sweet Potato Pound Cake is how well it keeps. The sweet potato, brown sugar, and sour cream help the crumb stay moist and tender for days.

Room Temperature:
Store the cake tightly wrapped or in an airtight container for 3–4 days. It stays incredibly soft and flavorful.

Refrigerator:
If you want it to last longer, refrigerate it for up to 1 week. Make sure it’s wrapped well to prevent it from drying out. Bring slices to room temperature before serving for the best texture.

Freezer:
This cake freezes beautifully. Wrap the whole cake or individual slices in plastic wrap, then foil, and freeze for up to 3 months. Thaw at room temperature.

FAQs on Sweet Potato Pound Cake

Can I use Greek yogurt instead of sour cream?

Yes! Full-fat Greek yogurt is a great substitute. It offers a similar tang and moisture level. Just avoid low-fat or fat-free versions, which may make the cake less rich. Remember, you will not taste the sour cream or yogurt.

Why did my pound cake turn out dry?

Most likely, it was overbaked. Ovens vary, so use an oven thermometer if possible. Also, be sure to measure flour accurately and avoid packing it into the measuring cup.

This recipe, though, is specifically designed to prevent a dry pound cake! Truthfully, it’s nearly impossible with the oil and sour cream. If you want to learn more about how to create moist cakes, check out our guide, How to Make a Cake Moist and Fluffy: Pro Tips You Need to Know.

Can I make this ahead?

Absolutely. Like many pound cakes, it tastes even better the next day once the flavors have settled.

How do I store pound cake?

Keep tightly wrapped at room temperature for 3–4 days. Refrigerate for up to a week, or freeze slices for up to 3 months.

More Fall Recipes:

• Brown Butter Chocolate Chip Cookies
• Pumpkin Chocolate Chip Bread
• Creamy Pumpkin Pie
• Easy Apple Crisp

Get to Baking!

This Sweet Potato Pound Cake is soft, buttery, flavorful, and beautifully moist — everything a fall dessert should be. Whether you serve it plain or top it with maple glaze, it’s the kind of cake friends and family will rave about. If you already love my Vanilla Pound Cake, this cozy version is guaranteed to become a new favorite.

Don’t forget to leave a review and tag me on social media @everythingjustbaked! I love seeing what you create!