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This Easy Sourdough Vanilla Cake combines the subtle tang of sourdough with the comforting sweetness of vanilla, creating a wonderfully moist and fluffy dessert. It’s the perfect way to make use of your active sourdough starter while enjoying a dessert that’s simple to prepare but rich in flavor. From its golden, tender crumb to its mild sourdough aroma, this cake is a treat for all your senses and a must-try for homemade cake lovers.
Table of Contents
- Why You’ll Love This Recipe
- Ingredients for Easy Sourdough Vanilla Cake
- How to Make Easy Sourdough Vanilla Cake Step by Step
- The Role of Sourdough in Desserts
- Storage and Reheating Tips
- Frequently Asked Questions
- Easy Ingredient Swaps for This Recipe
Why You’ll Love This Recipe
- Perfect for sourdough enthusiasts: Utilize your active sourdough starter or discard in a creative and flavorful way, reducing food waste and adding a touch of tangy complexity to your cake.
- No special tools required: This recipe is straightforward and only requires basic kitchen equipment like a mixing bowl and a 9-inch cake pan.
- Customizable sweetness: Adjust the sugar levels to suit your taste, making a dessert that’s as sweet or as subtle as you like.
- Moist texture guaranteed: The combination of butter, milk, and sourdough starter ensures your cake remains fluffy and tender with every bite.
Ingredients for Easy Sourdough Vanilla Cake
- 1 cup active sourdough starter
- 1 cup granulated sugar
- 1/2 cup unsalted butter, softened
- 2 large eggs
- 1 teaspoon vanilla extract
- 1/2 cup milk
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
The sourdough starter is the star of this recipe, adding a slight tang that balances the sweetness of the vanilla. Meanwhile, the combination of baking powder and baking soda ensures a fluffy rise for a soft and airy crumb.
How to Make Easy Sourdough Vanilla Cake Step by Step
- Preheat your oven to 350°F (175°C) and grease a 9-inch round cake pan to prevent sticking.
- In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy. This step ensures the base of your cake is tender and well-aerated.
- Add the eggs, one at a time, mixing well after each addition. Then stir in the vanilla extract to infuse the batter with its sweet aroma.
- Mix in the active sourdough starter and milk until fully combined, creating a smooth and cohesive wet mixture.
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- In a separate bowl, whisk together the flour, baking powder, baking soda, and salt to evenly distribute the leavening agents.
- Gradually fold the dry ingredients into the wet mixture, stirring gently until just combined. Avoid overmixing to maintain the cake’s light texture.
- Pour the batter into the prepared cake pan and use a spatula to smooth the top for even baking.
- Bake in the preheated oven for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
- Let the cake cool in the pan for 10 minutes before transferring it to a wire rack to cool completely. This prevents it from breaking apart while warm.
The Role of Sourdough in Desserts
Sourdough isn’t just for bread! In desserts like this cake, it adds depth and a subtle tang, complementing the sweetness of vanilla while making the texture softer and moister. This traditional technique also makes use of fermented ingredients, which some find easier to digest than standard batters.
Historically, sourdough has been a versatile staple, and its application in desserts showcases creative ways to reduce waste. By repurposing active starter or discard, bakers can transform leftovers into delightful treats.
You might also enjoy our baked sourdough cake donuts with discard.
Storage and Reheating Tips
Store your Easy Sourdough Vanilla Cake in an airtight container at room temperature for up to 3 days. For longer storage, wrap the cake tightly in plastic wrap and freeze for up to 3 months. To enjoy it later, thaw at room temperature and warm slices in the microwave for 10-15 seconds for a fresh-from-the-oven feel.
For more ideas, check out our sourdough cake pops.
If frosting the cake, store it in the fridge to prevent the frosting from melting. Be sure to allow it to come to room temperature before serving for the best texture and flavor.
Looking for something similar? Try our sourdough cake pops.
Frequently Asked Questions
- Can I use sourdough discard for this recipe? Yes! Both active starter and discard work well, though active starter adds a slightly fresher tang.
- What can I pair with this cake? Enjoy it plain, dusted with powdered sugar, or frosted with a vanilla or cream cheese frosting for an extra touch of sweetness.
- How do I know when the cake is done? Insert a toothpick into the center. If it comes out clean, your cake is ready!
Easy Ingredient Swaps for This Recipe
If you’re looking to make this recipe a little healthier, try swapping half of the all-purpose flour with whole wheat flour. This adds a bit more fiber and a slightly nuttier flavor. You can also replace the granulated sugar with coconut sugar for a more natural sweetening option, though it may slightly darken the cake’s color.
If you’re out of unsalted butter, use salted butter and reduce the added salt to a pinch. For a dairy-free version, substitute the milk with almond milk or any plant-based alternative.

Easy Sourdough Vanilla Cake
Ingredients
Method
- Preheat your oven to 350°F (175°C) and grease a 9-inch round cake pan.
- In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.
- Add the eggs, one at a time, mixing well after each addition. Then stir in the vanilla extract.
- Mix in the active sourdough starter and milk until well combined.
- In a separate bowl, whisk together the flour, baking powder, baking soda, and salt.
- Gradually add the dry ingredients to the wet mixture, stirring until just combined.
- Pour the batter into the prepared cake pan and smooth the top with a spatula.
- Bake in the preheated oven for 30-35 minutes, or until a toothpick inserted into the center comes out clean.
- Let the cake cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.
Notes

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