Grandma’s Southern Sweet Potato Pound

Category: Treats That Make Everything Better

This Southern dessert features mashed sweet potatoes for a dense, moist crumb and rich flavor, complemented by cinnamon, nutmeg, and vanilla. Butter and a blend of sugars create a balanced sweetness, while buttermilk or milk ensures a soft bite. Serve it plain or with a simple glaze; it’s perfect for holiday gatherings or Sunday dinners. Consider adding pecans for crunch or swapping in cream cheese frosting for a creamier finish. Enjoy with coffee, tea, or lightly toasted with butter for an inviting treat that captures the essence of comfort baking passed down through generations.

Labels: #vegetarian

Lili Clark smiling at the camera.
Created By Lili Clark
Updated on Fri, 03 Apr 2026 13:53:43 GMT
A slice of cake on a plate. Save
A slice of cake on a plate. | lilicooks.com

Grandma’s Southern Sweet Potato Pound Cake fills your kitchen with the kind of coziness only homemade baking can bring. Sweet potatoes melt right into the batter, giving every bite a deep flavor and an irresistible tenderness. With warm spices and a buttery crumb, this is the cake I reach for when I miss home or want to celebrate family.

I baked this cake one afternoon with my mom while it snowed outside. We sat over coffee, enjoying thick slices. Now it is my go-to for sharing a piece of my childhood with friends.

Ingredients

  • Mashed sweet potatoes: Choose fresh sweet potatoes if you can for the best flavor. Smoothly mashed potatoes are key for a silky cake
  • Unsalted butter: Real butter adds richness and moisture. Room temperature butter will cream properly
  • Granulated sugar and brown sugar: The blend balances sweetness and adds depth in flavor. Use light brown sugar for a subtle boost
  • Eggs: Large eggs should be at room temperature for the best rise
  • Vanilla extract: Use pure vanilla for best results. It smooths and rounds out all the spice
  • All-purpose flour: Regular flour gives structure to the dense pound cake. Look for unbleached if possible
  • Baking powder and baking soda: Ensure your leaveners are fresh for a good lift
  • Cinnamon and nutmeg: Use freshly ground spices if you can. They give the cake warmth and coziness
  • Ground cloves: This is optional but adds extra depth. Go light for a subtle note
  • Salt: Just enough to balance and sharpen the sweet flavors
  • Whole milk or buttermilk: Buttermilk adds an extra tender crumb. Use whole milk if you prefer
  • Powdered sugar: Glaze ingredient. Sift for smoothness
  • Milk: For thinning the glaze
  • Optional chopped pecans: For a nutty crunch. Choose fresh fragrant pecans

Step-by-Step Instructions

Prepare the Sweet Potatoes:
Peel sweet potatoes and cut into chunks. Boil or bake until fully soft then mash until silky. Let this cool completely before adding to your batter. Cool potatoes prevent curdling and blend best into the cake
Preheat the Oven:
Heat your oven to 165 degrees Celsius. Grease your bundt or loaf pan thoroughly with butter and a dusting of flour to help the cake release after baking
Cream Butter and Sugar:
With a mixer beat your softened butter with both sugars for several minutes until pale and fluffy. Watch the texture closely. This is where you build the soft pound cake structure
Add Eggs and Vanilla:
Add your eggs one at a time. Be sure to mix until each egg is fully blended before adding the next. Stir in your pure vanilla for flavor. Old family cakes depend on thorough mixing here
Combine Dry Ingredients:
In a separate bowl gently whisk together flour, baking powder, baking soda, the spices and salt. Mix these dry ingredients completely so the cake bakes evenly and the spices distribute well
Mix Everything Together:
With your mixer on low speed add dry ingredients to the butter mixture in batches, alternating with milk. Do not overmix. Only blend until just combined. Overworking makes pound cake heavy
Add Sweet Potatoes:
Fold in the cooled mashed sweet potatoes using a spatula. The batter will look creamy and lush with no streaks of potato showing
Bake the Cake:
Pour your batter evenly into the prepared pan. Smooth the top gently. Bake for seventy to eighty minutes. Check for doneness by testing with a toothpick in the center. If it comes out clean, the cake is ready
Cool the Cake:
Cool in the pan for fifteen minutes. Then turn out onto a wire rack to finish cooling. This lets the cake set fully and avoids sticking
Add Glaze:
Mix powdered sugar, milk and vanilla to a smooth pouring consistency. Drizzle or spoon gently over your fully cooled cake. Allow glaze to dry for a beautiful finish
A slice of cake on a plate.
A slice of cake on a plate. | lilicooks.com

I always keep extra sweet potatoes on hand just to make this cake My niece calls it her special birthday cake and we both sneak the end pieces while still warm from the oven

Storage Tips

Store your finished pound cake in an airtight container at room temperature for up to four days If your kitchen is warm keep it in the fridge to protect against spoilage To freeze wrap individual slices in plastic and then place in a freezer bag The cake thaws best at room temperature keeping its moist crumb and deep flavor

Ingredient Substitutions

You can use canned sweet potatoes in a pinch but drain and mash well for a smooth batter If you want a touch more nutrition swap half of the all-purpose flour for whole wheat and increase the spices to balance the flavor For a dairy free version use a vegan butter and plant based milk though the texture will be slightly lighter

Serving Suggestions

Serve big slices plain or with a simple glaze Dust with powdered sugar for an elegant feel My family loves it lightly toasted and topped with creamy butter For celebrations add whipped cream or vanilla ice cream On holiday mornings I like to cut a thick piece and eat it right out of the fridge with coffee

A slice of cake on a plate.
A slice of cake on a plate. | lilicooks.com

A Bit of History

Southern pound cake recipes trace back to old rural kitchens where abundant sweet potatoes met butter sugar and spice Grandmothers all had their own tweaks Mash the sweet potatoes by hand or add a handful of pecans and you have a recipe that tastes like tradition This cake shines at family reunions and holiday tables and always brings a taste of comfort

Recipe FAQs

→ Can I freeze sweet potato pound cake?

Absolutely! Wrap the cake tightly in plastic and foil to prevent freezer burn. Store for up to three months and thaw at room temperature before enjoying.

→ Why does my pound cake turn out dry?

Dryness usually comes from overbaking or using too much flour. Ensure you measure ingredients accurately and check the cake early to avoid overcooking.

→ Is it okay to use canned sweet potatoes?

Yes, but drain and mash them thoroughly for a smooth texture. Fresh sweet potatoes give the best flavor but canned works in a pinch.

→ Which pan is the best choice?

A bundt pan creates a classic look and promotes even baking, but loaf pans can be used if needed. Always grease and flour the pan well.

→ How can I tell when the cake is done?

Insert a toothpick in the center. When it comes out clean or with a few moist crumbs, it's ready to cool and serve.

→ Can I add nuts or extra spices?

Definitely! Try adding chopped pecans for texture or increase the spices like cinnamon, nutmeg, or allspice for a deeper flavor profile.

Grandma’s Southern Sweet Potato Pound

Sweet potato adds tender, moist texture to this classic Southern cake with cinnamon and nutmeg.

Preparation Time
25 min
Cooking Time
75 min
Overall Time
100 min
Created By: Lili Clark

Category: Desserts

Skill Level: Moderate

Cuisine Type: Southern American

Output: 12 Serves

Dietary Options: Vegetarian

Ingredients

→ For the Cake

01 2 cups mashed sweet potatoes (about 2–3 medium sweet potatoes)
02 1 cup unsalted butter (softened)
03 2 cups granulated sugar
04 1/2 cup brown sugar
05 4 large eggs
06 1 teaspoon vanilla extract
07 3 cups all-purpose flour
08 1 teaspoon baking powder
09 1/2 teaspoon baking soda
10 1 teaspoon ground cinnamon
11 1/2 teaspoon ground nutmeg
12 1/4 teaspoon ground cloves (optional)
13 1/2 teaspoon salt
14 1/2 cup whole milk or buttermilk

→ Optional Glaze

15 1 cup powdered sugar
16 2–3 tablespoons milk
17 1/2 teaspoon vanilla extract

Steps

Step 01

Peel and cut the sweet potatoes into chunks. Boil or bake them until soft, then mash until smooth. Let them cool completely before using.

Step 02

Preheat your oven to 165°C (325°F). Grease and flour a bundt or loaf pan to prevent sticking.

Step 03

In a large bowl, beat the butter, granulated sugar, and brown sugar together until light and fluffy. This step is key for a soft texture.

Step 04

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

Step 05

In a separate bowl, whisk together flour, baking powder, baking soda, cinnamon, nutmeg, cloves, and salt.

Step 06

Gradually add the dry ingredients to the wet mixture, alternating with milk. Mix until just combined—do not overmix.

Step 07

Fold in the mashed sweet potatoes until evenly incorporated. The batter will be thick and creamy.

Step 08

Pour the batter into the prepared pan and smooth the top. Bake for 70–80 minutes, or until a toothpick inserted comes out clean.

Step 09

Let the cake cool in the pan for 15 minutes, then transfer to a wire rack to cool completely.

Step 10

Mix powdered sugar, milk, and vanilla to create a smooth glaze. Drizzle over the cooled cake.

Tips

  1. Ensure sweet potatoes are fully cooled before adding to batter.
  2. Do not overmix the batter to avoid a dense or tough cake.
  3. Baking time may vary depending on your oven—check at 70 minutes.
  4. Always grease the pan thoroughly to prevent sticking.

Required Tools

  • Large mixing bowl
  • Whisk
  • Spatula
  • Bundt pan or loaf pan
  • Wire cooling rack

Allergy Information

Always check each ingredient for allergens, and consult a medical professional if unsure.
  • Contains dairy (butter, milk)
  • Contains wheat (all-purpose flour)
  • Contains eggs

Nutritional Information (per serving)

These details are shared for general guidance and don’t replace professional advice.
  • Calories: 420
  • Fats: ~
  • Carbohydrates: ~
  • Proteins: 6 g