Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic is a dessert that brings warmth and nostalgia to any gathering. This cake is incredibly moist and flavorful, thanks to the sweet potatoes and spices that blend perfectly. Whether you’re celebrating a holiday or simply want a delightful treat, this classic recipe is sure to impress your family and friends.
Why You’ll Love This Recipe
- Rich Flavor: The combination of sweet potatoes, cinnamon, and nutmeg creates a comforting taste that is hard to resist.
- Moist Texture: The addition of mashed sweet potatoes ensures each bite is soft and moist, making it the perfect dessert for any occasion.
- Easy to Make: With simple ingredients and straightforward steps, you can whip up this delicious cake without any hassle.
- Versatile Dessert: Perfect for holidays, family gatherings, or just because! This cake suits every occasion beautifully.
- Show-stopping Glaze: The butter glaze adds an irresistible shine and sweetness that takes this cake to the next level.
Tools and Preparation
To make Grandma’s Famous Sweet Potato Butter Cake, you’ll need some essential kitchen tools. Having the right equipment makes the baking process smoother and more enjoyable.
Essential Tools and Equipment
- Mixing bowls
- Electric mixer or whisk
- Measuring cups and spoons
- Rubber spatula
- Bundt pan or 9×13-inch baking dish
- Saucepan
Importance of Each Tool
- Electric mixer or whisk: Helps achieve a light and fluffy batter by thoroughly mixing ingredients.
- Bundt pan or baking dish: Ensures even baking, giving your cake its classic shape.
- Mixing bowls: Allow you to combine ingredients easily without mess.

Ingredients
For the Cake
- 1/2 tsp salt
- 1 tsp cinnamon
- 1/2 tsp nutmeg
- 1 cup unsalted butter, softened
- 2 cups granulated sugar
- 4 large eggs
- 1 tsp vanilla extract
- 2 cups mashed cooked sweet potatoes (about 2 medium)
- 2 1/2 cups all-purpose flour
- 2 tsp baking powder
- 1/2 tsp baking soda
- 1/2 cup whole milk or buttermilk
For the Glaze
- 1/2 cup unsalted butter
- 1 cup granulated sugar
- 1/4 cup water
- 1 tsp vanilla extract
How to Make Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). Grease and flour a Bundt pan or 9×13-inch baking dish thoroughly to prevent sticking.
Step 2: Cream Butter and Sugar
In a large bowl, cream together the softened butter and granulated sugar until light and fluffy. This process should take about 3-5 minutes.
Step 3: Add Eggs
Beat in the eggs one at a time, ensuring each egg is fully incorporated before adding the next. Stir in the vanilla extract after all eggs are added.
Step 4: Incorporate Sweet Potatoes
Mix in the mashed sweet potatoes until everything is smooth and well combined.
Step 5: Combine Dry Ingredients
In a separate bowl, whisk together the flour, baking powder, baking soda, salt, cinnamon, and nutmeg.
Step 6: Mix Wet and Dry Ingredients
Gradually add the dry mixture into your wet mixture alternately with milk. Start with flour and finish with flour. Mix just until combined; avoid overmixing for best results.
Step 7: Pour Batter into Pan
Pour your batter into the prepared pan. Use a spatula to smooth out the top for even baking.
Step 8: Bake
Bake in your preheated oven for 50–60 minutes. A toothpick inserted in the center should come out clean when it’s done.
Step 9: Prepare the Glaze
While your cake bakes, melt butter with sugar and water in a saucepan over medium heat. Bring it to a boil while stirring constantly for about 2-3 minutes before removing it from heat. Stir in vanilla extract once off heat.
Step 10: Glaze Your Cake
Once your cake is done baking, poke holes across its surface using a skewer or toothpick while it’s still warm. Slowly pour the butter glaze over it so it can soak in completely. Allow it to cool in the pan before serving.
This Grandma’s Famous Sweet Potato Butter Cake will surely be a hit at your next gathering! Enjoy every delicious slice!
How to Serve Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic
Grandma’s Famous Sweet Potato Butter Cake is a delightful treat that can be enjoyed in various ways. This rich dessert pairs well with many accompaniments, enhancing its warm flavors and moist texture.
With Fresh Whipped Cream
- Light and airy whipped cream adds a creamy texture that balances the cake’s richness.
Topped with Candied Pecans
- Adding candied pecans gives a sweet crunch that complements the soft cake beautifully.
Served with Vanilla Ice Cream
- A scoop of vanilla ice cream offers a cool contrast to the warm cake, creating a delicious combination.
Accompanied by Fresh Berries
- Fresh berries like strawberries or blueberries provide a tartness that cuts through the sweetness of the cake.
Drizzled with Caramel Sauce
- A drizzle of caramel sauce enhances the sweetness and adds an extra layer of flavor.
With a Cup of Coffee or Tea
- Pairing this cake with coffee or tea makes for a comforting afternoon snack, perfect for any time of day.
How to Perfect Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic
Perfecting this classic recipe ensures each bite is as delightful as Grandma intended. Here are some tips to elevate your baking experience:
- Use fresh sweet potatoes – Freshly cooked sweet potatoes yield better flavor and moisture than canned ones.
- Measure flour correctly – Avoid dense cake by spooning flour into your measuring cup instead of scooping directly from the bag.
- Don’t overmix – Mixing just until combined helps maintain a light and fluffy texture in your cake.
- Check for doneness – Use a toothpick inserted into the center; it should come out clean when the cake is fully baked.
- Let it cool properly – Allowing the cake to cool in the pan helps it set and prevents it from breaking when removed.
- Experiment with spices – Feel free to adjust cinnamon and nutmeg levels according to your taste preference for a personalized flavor profile.
Best Side Dishes for Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic
While Grandma’s Famous Sweet Potato Butter Cake shines on its own, serving it alongside complementary side dishes can enhance your dessert experience. Here are some great options:
-
Garden Salad
A light garden salad with fresh greens and vinaigrette provides a refreshing contrast to the rich cake. -
Roasted Vegetables
Roasted seasonal vegetables add savory flavors that balance out the sweetness of the dessert. -
Sweet Potato Fries
Crispy sweet potato fries offer an additional sweet element while keeping with the theme. -
Cornbread Muffins
Soft cornbread muffins bring a comforting, hearty feel that pairs well with dessert. -
Honey Glazed Carrots
The natural sweetness of honey-glazed carrots complements the flavors found in sweet potato butter cake. -
Apple Crisp
A warm apple crisp served alongside showcases another fall favorite, combining textures and tastes beautifully. -
Creamy Coleslaw
A tangy coleslaw adds crunch and freshness, creating balance with the moistness of the cake. -
Fruit Salad
A colorful fruit salad serves as a light, refreshing side that cleanses the palate after each rich bite of cake.
Common Mistakes to Avoid
When making Grandma’s Famous Sweet Potato Butter Cake, it’s easy to make a few common mistakes. Here are some tips to ensure your cake turns out perfectly.
- Using cold ingredients: Cold butter or eggs can prevent the batter from mixing properly. Always bring your butter and eggs to room temperature before starting.
- Overmixing the batter: Overmixing can lead to a dense cake. Mix just until the ingredients are combined for a lighter texture.
- Not measuring sweet potatoes correctly: Using too much or too little sweet potato can affect the cake’s moisture and flavor. Measure your mashed sweet potatoes accurately for best results.
- Skipping the glaze: The butter glaze adds incredible flavor and moisture. Don’t skip this step; it’s what makes Grandma’s Famous Sweet Potato Butter Cake truly irresistible.
- Not checking for doneness: Relying solely on baking time can lead to underbaking or overbaking. Use a toothpick to check for doneness, ensuring it comes out clean before removing the cake from the oven.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container in the refrigerator for up to 5 days.
- Make sure the cake is completely cooled before sealing to avoid condensation.
Freezing Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic
- Wrap individual slices or the whole cake tightly in plastic wrap followed by aluminum foil.
- It can be frozen for up to 3 months without losing its flavor.
Reheating Grandma’s Famous Sweet Potato Butter Cake: How to Make an Irresistible Classic
- Oven: Preheat your oven to 350°F (175°C). Place slices in an oven-safe dish and cover with foil. Heat for about 10-15 minutes until warmed through.
- Microwave: Place a slice on a microwave-safe plate and heat for about 20-30 seconds, checking frequently to avoid overheating.
- Stovetop: Use a skillet on low heat, adding a small amount of water underneath the lid. This method helps keep the cake moist while reheating.
Frequently Asked Questions
What makes Grandma’s Famous Sweet Potato Butter Cake so special?
This cake combines rich flavors from sweet potatoes with warm spices, creating a comforting dessert that reminds many of home-cooked meals and family gatherings.
Can I substitute any ingredients in Grandma’s Famous Sweet Potato Butter Cake?
Yes! You can use plant-based milk instead of whole milk or buttermilk if you prefer a dairy-free version. The recipe is also adaptable with different spices according to your taste.
How can I customize Grandma’s Famous Sweet Potato Butter Cake?
You can add nuts, chocolate chips, or dried fruits into the batter for added texture and flavor. Feel free to experiment with spices like ginger or cardamom as well.
How long does it take to make Grandma’s Famous Sweet Potato Butter Cake?
The total time required is about 1 hour and 30 minutes, including both preparation and baking time.
Final Thoughts
Grandma’s Famous Sweet Potato Butter Cake is not only delicious but also versatile enough for any occasion. Whether you’re making it for holidays, family gatherings, or simply as a treat for yourself, this classic dessert will surely impress. Don’t hesitate to customize it with your favorite additions!
Grandma’s Famous Sweet Potato Butter Cake
- Total Time: 1 hour 20 minutes
- Yield: Serves approximately 12 slices 1x
Description
Indulge in the rich, comforting flavors of Grandma’s Famous Sweet Potato Butter Cake. This delightful dessert features a moist and tender crumb infused with sweet potatoes and warm spices like cinnamon and nutmeg. Perfect for any occasion, this cake is not only easy to make but also offers a stunning presentation when drizzled with a luscious butter glaze. Whether you’re celebrating a special holiday or simply treating yourself to something sweet, this classic recipe is sure to become a family favorite.
Ingredients
- 2 cups mashed cooked sweet potatoes
- 1 cup unsalted butter, softened
- 2 cups granulated sugar
- 4 large eggs
- 2 ½ cups all-purpose flour
- 2 tsp baking powder
- ½ tsp baking soda
- ½ tsp salt
- 1 tsp cinnamon
- ½ tsp nutmeg
- ½ cup whole milk
Instructions
- Preheat your oven to 350°F (175°C) and grease a Bundt pan or baking dish.
- In a large bowl, cream together softened butter and sugar until fluffy.
- Beat in the eggs one at a time, then add vanilla extract.
- Mix in the mashed sweet potatoes until well combined.
- In another bowl, whisk together flour, baking powder, salt, cinnamon, and nutmeg.
- Gradually add the dry ingredients to the wet ingredients alternating with milk until just combined.
- Pour the batter into the prepared pan and smooth out the top.
- Bake for 50–60 minutes or until a toothpick comes out clean.
- For the glaze, melt butter with sugar and water in a saucepan until boiling; stir in vanilla off heat.
- Once baked, poke holes in the warm cake and pour glaze over it.
- Prep Time: 20 minutes
- Cook Time: 60 minutes
- Category: Dessert
- Method: Baking
- Cuisine: Classic
Nutrition
- Serving Size: 1 slice (100g)
- Calories: 350
- Sugar: 32g
- Sodium: 180mg
- Fat: 18g
- Saturated Fat: 11g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 45g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 70mg
Keywords: For an extra touch of flavor, consider adding chopped nuts or dried fruits to the batter. If you prefer dairy-free options, substitute whole milk with almond or oat milk.




