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Moist Sweet Potato Butter Cake Recipe

Lisa

By Lisa

Feb 26, 2026

15 min prep
30 min cook
12 servings
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Moist Sweet Potato Butter Cake Recipe

Welcome to a slice of nostalgia with this Moist Sweet Potato Butter Cake Recipe, where the natural sweetness of mashed sweet potatoes meets the buttery richness that makes every bite a delightful experience. This cake is not just a treat; it’s a warm embrace from your kitchen, perfect for family gatherings or any festive occasion.

Imagine a cake that is incredibly moist, with a golden crust and a tender crumb, spiced just right to evoke memories of cozy holiday dinners. Each slice offers a melt-in-your-mouth experience that is sure to please everyone at the table!

Why You'll Love This Recipe

  • Rich Flavor Profile: The combination of sweet potatoes, warm spices, and creamy butter creates a flavor that’s both comforting and indulgent.
  • Perfectly Moist Texture: This cake's secret lies in the sweet potatoes, ensuring it remains incredibly moist even days after baking.
  • Easy to Make: With simple steps and common ingredients, you can whip up this cake without any fuss.
  • Versatile Serving Options: Serve it plain, with a dusting of powdered sugar, or topped with whipped cream for an extra treat.

About the Ingredients

Mashed Sweet Potatoes

These provide natural sweetness and a moist texture, making the cake rich and satisfying.

Unsalted Butter

Softened butter is crucial for a creamy batter, contributing to the cake’s tenderness and flavor.

Granulated Sugar

This sweetens the cake and helps achieve that lovely golden crust, balancing the earthiness of the sweet potatoes.

Large Eggs

Eggs act as a binding agent and add moisture, helping to achieve a light and fluffy cake.

All-Purpose Flour

The backbone of the cake, flour provides structure while allowing the cake to rise beautifully.

Ground Spices

Cinnamon and nutmeg enhance the flavor profile, adding warmth and depth that complement the sweet potatoes perfectly.

Tips & Tricks

Use Fresh Sweet Potatoes

Opt for fresh, sweet potatoes for the best flavor and natural sweetness in your cake.

Don't Overmix

Mix the batter just until combined to ensure a tender crumb; overmixing can lead to a denser cake.

Check Oven Temperature

Ensure your oven is properly calibrated, as baking times may vary with different ovens.

Cool Completely Before Serving

Let the cake cool completely to allow the flavors to meld and the texture to set properly.

Pro Tips

  • Incorporate a Cream Cheese Frosting: For a decadent twist, top with a creamy frosting made from whipped cream cheese.
  • Add a Sprinkle of Nuts: Chopped pecans or walnuts add a delightful crunch and enhance the flavor.
  • Try Adding Chocolate Chips: For a sweet surprise, fold in some chocolate chips to the batter before baking.
  • Serve with Spiced Whipped Cream: A dollop of whipped cream flavored with a hint of cinnamon is the perfect finishing touch.

Step-by-Step Instructions

Preheat and Prepare Your Pan

Start by preheating your oven to 350°F (175°C) and greasing a 9x13-inch baking pan to ensure an easy release.

Cream Butter and Sugar

In a large bowl, cream together the softened butter and granulated sugar until light and fluffy, filling your kitchen with a sweet aroma.

Add Eggs and Sweet Potatoes

Add the eggs one at a time, mixing well after each addition, then stir in the mashed sweet potatoes and vanilla, creating a vibrant mixture.

Combine Dry Ingredients

In a separate bowl, whisk together the flour, baking powder, baking soda, spices, and salt, ensuring an even distribution of flavors.

Mix Wet and Dry Ingredients

Gradually add the dry ingredients to the wet mixture, alternating with buttermilk, mixing until just combined to maintain the cake’s perfect texture.

Delicious Variations

Chocolate Sweet Potato Cake

Incorporate cocoa powder into the batter for a rich chocolate version that pairs beautifully with the sweet potatoes.

Maple Pecan Topping

Add a maple syrup glaze and toasted pecans on top for an extra layer of flavor and crunch.

Spiced Pumpkin Variation

Swap out sweet potatoes for pumpkin puree for a seasonal twist that’s equally delicious!

How to Store Moist Sweet Potato Butter Cake

Refrigerator

Store the cake in an airtight container in the refrigerator for up to 5 days.

Freezer

Wrap slices in plastic wrap and place in a freezer-safe bag; it can be frozen for up to 3 months.

Reheating

To reheat, simply place a slice in the microwave for 15-20 seconds until warmed through.

Frequently Asked Questions

Can I use canned sweet potatoes?

Yes, canned sweet potatoes can be used, but ensure to drain them well for the right consistency.

Is this cake suitable for freezing?

Absolutely! This cake freezes well; just ensure it’s wrapped properly to avoid freezer burn.

Can I make this cake ahead of time?

Definitely! This cake can be made a day in advance and stored in the fridge for flavors to meld.

What can I substitute for buttermilk?

You can make a buttermilk substitute by mixing regular milk with a tablespoon of vinegar or lemon juice.

Now that you’ve unlocked the secrets to this Moist Sweet Potato Butter Cake, it’s time to gather your ingredients and start baking! Your friends and family will be grateful for this delightful treat, and you’ll enjoy the sweet rewards of your efforts. Happy baking!

Moist Sweet Potato Butter Cake Recipe

Moist Sweet Potato Butter Cake Recipe

This rich and moist sweet potato butter cake combines the natural sweetness of mashed sweet potatoes with warm spices and creamy butter. A nostalgic family favorite that’s perfect for gatherings and holiday tables.

15 min
Prep Time
30 min
Cook Time
12
Servings
350 kcal
Calories

Ingredients

Instructions

  1. 1 Preheat oven to 350°F (175°C) and grease a 9x13-inch baking pan.
  2. 2 Cream together butter and sugar in a large bowl until light and fluffy.
  3. 3 Add eggs one at a time, mixing well after each addition.
  4. 4 Stir in mashed sweet potatoes and vanilla extract until well combined.
  5. 5 In a separate bowl, whisk together flour, baking powder, baking soda, cinnamon, nutmeg, and salt.
  6. 6 Gradually add dry ingredients to wet mixture, alternating with buttermilk, starting and ending with flour. Mix until just combined.
  7. 7 Pour batter into prepared pan and smooth the top with a spatula.
  8. 8 Bake for 30-35 minutes, or until a toothpick inserted in the center comes out clean.
  9. 9 Cool cake in pan for 10 minutes, then transfer to a wire rack to cool completely.
  10. 10 Serve plain or with whipped cream.

Chef's Note

For extra flavor, add a dusting of powdered sugar, whipped cream, or a simple buttercream frosting. You can also bake this in two 8-inch round pans for a layered cake version. Ensure the sweet potatoes are fully cooled before mixing for the best texture.

Servings: 12

Cuisine: American, Southern

Course: Dessert

Nutrition (per serving): 6gg protein