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Sweet Potato Butter Cake Recipe

This Sweet Potato Butter Cake is soft, moist, and packed with warm cinnamon and nutmeg flavor. Made with mashed sweet potatoes and simple pantry ingredients, it’s the perfect dessert for holidays, family gatherings, or anytime you want a comforting homemade cake.

Why You’ll Love This Recipe

  • Soft, moist, and buttery texture
  • Rich sweet potato flavor with warm spices
  • Easy to make with everyday ingredients
  • Perfect for holidays or weekend baking
  • Delicious served plain or with your favorite topping

Ingredients

  • 2 cups mashed sweet potatoes (roasted or canned)
  • 1 cup granulated sugar
  • 1 cup brown sugar
  • 1 cup vegetable oil
  • 4 large eggs
  • 2 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1 teaspoon ground cinnamon
  • ½ teaspoon ground nutmeg
  • ½ teaspoon salt
  • 1 teaspoon vanilla extract
  • ½ cup chopped pecans or walnuts (optional)

Instructions

Step 1: Prepare the Oven

Preheat the oven to 350°F (175°C).

Grease a 9×13-inch baking pan or line it with parchment paper.

Step 2: Mix the Wet Ingredients

In a large bowl, combine:

  • Mashed sweet potatoes
  • Granulated sugar
  • Brown sugar
  • Vegetable oil

Mix until smooth.

Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.

Step 3: Combine the Dry Ingredients

In another bowl, whisk together:

  • Flour
  • Baking powder
  • Baking soda
  • Cinnamon
  • Nutmeg
  • Salt

Step 4: Make the Batter

Gradually add the dry ingredients to the wet mixture.

Mix just until combined. Do not overmix.

Fold in the chopped nuts if using.

Step 5: Bake

Pour the batter into the prepared baking pan and smooth the top.

Bake for 35–40 minutes, or until a toothpick inserted into the center comes out clean.

Step 6: Cool and Serve

Allow the cake to cool in the pan for 15 minutes before slicing.

Serve warm or at room temperature.


Serving Ideas

Enjoy this cake with:

  • Powdered sugar
  • Whipped cream
  • Cream cheese frosting
  • Maple glaze
  • Vanilla ice cream
  • Toasted pecans or walnuts

Recipe Tips

  • Roast sweet potatoes for a deeper, sweeter flavor.
  • Use room-temperature eggs for a smoother batter.
  • Do not overmix the batter to keep the cake soft.
  • Check for doneness at 35 minutes to avoid overbaking.

Variations

Maple Glaze

Mix powdered sugar with maple syrup and a splash of milk, then drizzle over the cooled cake.

Cream Cheese Frosting

Top the cake with homemade cream cheese frosting for a richer dessert.

Coconut Version

Sprinkle toasted coconut over the cake before serving.

Extra Spice

Add ¼ teaspoon each of ground ginger or cloves for a warmer flavor.


Storage

Room Temperature: Store in an airtight container for up to 3 days.

Refrigerator: Store for up to 5 days.

Freezer: Wrap individual slices and freeze for up to 2 months. Thaw overnight before serving.


Troubleshooting

Problem Cause Solution
Cake is dense Batter was overmixed Mix only until ingredients are combined
Dry cake Overbaked Check for doneness a few minutes early
Sunken center Underbaked Bake until a toothpick comes out clean
Sticky texture Too much moisture in sweet potatoes Drain excess moisture before measuring

Frequently Asked Questions

Can I use canned sweet potatoes?

Yes. Use unsweetened canned sweet potatoes or sweet potato puree and drain any excess liquid before measuring.

Can I make this cake ahead of time?

Yes. It tastes even better the next day and stores well for several days.

What frosting goes best with this cake?

Cream cheese frosting, maple glaze, or a light dusting of powdered sugar all pair beautifully with this cake.

How do I keep the cake moist?

Avoid overbaking, measure the flour correctly, and store the cake in an airtight container after it cools.

Can I freeze this cake?

Yes. Wrap slices individually and freeze for up to 2 months. Thaw at room temperature before serving.


Final Thoughts

This Sweet Potato Butter Cake is rich, moist, and full of comforting flavor. Whether you’re baking for a holiday, a family gathering, or simply craving a homemade dessert, this easy recipe is sure to become a favorite