Easy Sourdough Chocolate Cake

This easy sourdough chocolate cake recipe is definitely one of the best ways to use up your sourdough discard. It uses one bowl and takes only a few minutes to mix up!

Easy Sourdough Chocolate Cake with Fudge Frosting on top

Sourdough baking’s rise in popularity is one of the few really great things that have come out of 2020. But you know what’s even better? You can use that starter to make cake, like this easy, one-bowl, absolutely perfect sourdough chocolate cake.

Adding sourdough starter, whether it’s active or your discard for the day, won’t actually make your cake sour. It simply adds that a subtle tang it’s fabulous for, making the cake more complex, and contrasting nicely with the sweetness of cake and the bitterness of chocolate.

Easy Sourdough Chocolate Cake with Fudge Frosting and White Sprinkles on Top

Ingredients for an Easy Bowl Sourdough Chocolate Cake

  • 1/2 cup of sourdough starter–it can be active (bubbling and recently fed), or this is a great way to use your discard!
  • 1/2 cup buttermilk
  • 1 large egg + 1 egg yolk
  • 1/4 cup vegetable or canola oil (any neutral flavored oil will work)
  • 1 tsp. vanilla extract
  • 1 cup all purpose flour
  • 1 cup white sugar
  • 1/4 + 2 Tbsp. cup cocoa powder (I especially like dark cocoa powder here! Don’t sub in Dutch process cocoa powder)
  • 1 tsp. baking powder
  • 1/4 tsp. baking powder
  • 1/2 tsp. salt
Three pieces of sourdough chocolate cake on plates

How to Make Easy Sourdough Chocolate Cake

  • Begin be preheating your oven to 350°F and place a baking rack in the center of the rack. Grease a 9×13″ baking pan.
  • In a large mixing bowl, whisk together the sourdough starter, buttermilk, eggs, oil, and vanilla extract.
  • Place a large sifter over the bowl. Put the all purpose flour, sugar, cocoa powder, baking powder and soda, and salt in it. Gently stir and shake it into the wet ingredients, then stir them together until the batter is completely mixed and cohesive.
  • Pour the batter into the prepared pan and place it in the oven.
  • Bake for 24-28 minutes, or until a toothpick inserted in the center comes out clean.
  • Remove the cake from the oven and allow it to cool completely before frosting and decorating.
  • Store the cake in an airtight container on the counter. If you use a frosting that requires refrigeration, allow it to come to room temperature before serving.

I used this Chocolate Fudge Frosting for the cake in these pictures. They pair very well for maximum chocolatey decadence.

Easy Sourdough Chocolate Cake with Fudge Frosting and White Sprinkles on Top

Recipe Tips and Notes

  • If you want to make a 9×13″ cake, this recipe is easy to double! Add 3 whole eggs instead of 2 whole eggs and 2 egg yolks.
  • You can use your active sourdough starter or discard for this recipe.

Looking for other ways to use your sourdough starter?
Click here for a list full of ideas that you’ll love!

Easy Sourdough Chocolate Cake with Fudge Frosting

Other Recipes You May Enjoy:

Chocolate layer cake recipe
Chocolate Layer Cake
Sourdough donuts
Sourdough Donuts
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Easy Sourdough Chocolate Cake


  • Author: Rebecca Neidhart

Description

This easy sourdough chocolate cake recipe is one of the best ways to use up your sourdough discard. It uses one bowl and takes only a few minutes to mix up!

Note: Doubling the quantities only works for the volume measurements, not weights.


Scale

Ingredients

  • 1/2 cup (4 oz./114 g) sourdough starter, discard or active
  • 1/2 cup (4 oz.) buttermilk
  • 1 large egg + 1 large egg yolk
  • 1/4 cup (2 oz.) canola or vegetable oil
  • 1 tsp. vanilla extract
  • 1 cups (140 g) all-purpose flour
  • 1 cups (200 g) white sugar
  • 1/4 cup + 2 Tbsp. (36 g) Dutch process cocoa powder
  • 1 tsp. baking powder
  • 1/4 tsp. baking soda
  • 1/2 tsp. salt

Instructions

Oil a 8×8″ or 9×9″ baking pan and preheat the oven to 350°.

In a large mixing bowl, whisk together the 1/2 cup sourdough starter, 1/2 cup buttermilk, 1 large eggs, large egg yolk, 1/4 cup canola oil, and 1 tsp. vanilla extract.

Place a large sifter over the bowl. Place the 1 cups all-purpose flour, 1 cups sugar, 1/4 + 2 Tbsp. cup cocoa powder, 1 tsp. baking powder, 1/4 tsp. baking soda, and 1/2 tsp. salt. Stir and gently shake the dry ingredients into the wet. Mix them together until completely mixed into a smooth batter. 

Pour the batter into the greased cake pan and bake for 24-28 minutes, or until a toothpick inserted in the center comes out clean. Remove it from the oven and let it cool completely before frosting and serving.

 

Sourdough Chocolate Cake

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