Best Sourdough Discard Chocolate Cake

If you’re looking for the best sourdough discard chocolate cake recipe, this is it! There’s no better way to use sourdough discard.

Sourdough Discard Chocolate Cake

Now that states are opening up (mine — Georgia — being one of the first and fastest), I find myself wondering how this whole sourdough phenomenon will last.

The process of making a no-yeast sourdough boule is not for the novice baker and it’s certainly not for the time-crunched. More than once I’ve discussed with my fellow baking-addict, Sally of Real Mom Nutrition, the commitment required to work sourdough into your schedule.

I, for one, plan to keep my starter alive as long as possible (’cause it looks like I won’t be going to Alaska any time soon to replenish my sourdough starter stash). And to do that, I have to feed my starter at least once a week… boule baked or not.

And with feeding the starter, of course, comes the inevitable — sourdough discard.

When I first made my Sourdough Discard Banana Bread with Chocolate Chips…

Sourdough Discard Banana Bread with Chocolate Chips

… I had no idea it would turn out to be one of my family’s all-time favorite recipes. I’ve made it countless times during the quarantine… and apparently, so have many of you. It’s rapidly become one of my most popular recipes and for good reason.

It’s easy and delicious. My two favorite qualities in a baking recipe.

Primed to knock it out of top spot, though, is this new Sourdough Discard Chocolate Cake:

Sourdough Discard Chocolate Cake

I mean, look at it. If you can’t envision the deliciousness, I’m not sure what else to say.

Sourdough Discard Chocolate Cake

I realized early in this new sourdough experience that one of the shortcomings of so many sourdough discard recipes is how little discard they used.

I get that if you’re just doing a one time feeding maybe a few ounces is enough to whip up some sourdough pancakes and call it a day. But for those of us accumulating a jar full of discard (unwilling to waste even a tablespoon of flour when it’s been so elusive to find), we need sourdough discard recipes that use a lot of discard.

Sourdough Discard Chocolate Cake

And that recipe needed to be a show stopper. I get that sourdough crackers have a place, but c’mon. Who can say no to sourdough discard chocolate cake?

Sourdough Discard Chocolate Cake

I’ve made this cake multiple times and even shared the recipe with a friend who asked for it as soon as shared a pic of it on Instagram. So just know it’s well tested, family approved and just what you need to make something special with your sourdough discard. Enjoy! ~Regan

Sourdough Discard Chocolate Cake

Sourdough Discard Chocolate Cake

If you’re looking for the best sourdough discard chocolate cake recipe, this is it! There’s no better way to use sourdough discard.

  • Author: Regan Jones, RDN
  • Prep Time: 10 min
  • Cook Time: 60 min
  • Total Time: 70 min
  • Yield: 1 bundt cake 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American




  • 1 cup oil
  • 1 1/2 cups sugar
  • 3 large eggs
  • 1 cup (275 g) sourdough discard*
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose or cake flour
  • 1 1/2 teaspoons baking soda
  • 1/2 teaspoon salt
  • 1/3 cup cocoa powder


  • 1/4 cup butter
  • 2 tablespoons cocoa powder
  • 3 tablespoons milk
  • 1/2 pound powdered sugar (this is 1/2 of a 1-pound box)
  • 1/2 teaspoon vanilla extract


  1. Preheat oven to 350 degrees F. Grease and flour a Bundt*** pan; set aside. 
  2. Beat together oil, sugar, eggs, discard and extract with a handheld mixer until smooth.
  3. Whisk together flour, baking soda, salt, and cocoa powder; add to oil mixture and beat with mixer for 2 minutes. 
  4. Pour batter into prepared pan. Bake until a wooden pick inserted into center of cake comes out clean (about 45 minutes).
  5. Let cake cool in pan 15 minutes on a wire rack. Invert cake onto cake plate to let cool. 
  6. Meanwhile, prepare Icing by combining butter, cocoa powder, and milk in a medium-size saucepan; cook over medium heat until butter melts. Remove from heat; add powdered sugar and vanilla. Beat until smooth. Drizzle over warm cake. 


*If you don’t have “sourdough discard” simply substitute 1/2 cup additional flour and 1/2 cup water.

**A big thanks to Sally at Real Mom Nutrition for this Icing recipe. It’s from her mom’s Texas Sheet Cake and it’s delicious. It’s versatile, easy and makes a great icing for any chocolate cake when you don’t want to cover the entire cake.  

**If you don’t have a Bundt pan, I recommend making this in a 13- x 9-inch rectangular baking dish. Check for doneness 15 minutes early and bake until a wooden pick inserted in center of cake comes out clean.

Keywords: cake, chocolate cake, sourdough discard, bundt cake

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All images and recipes on this site are the property of Regan Jones, RDN. Please do not use them for commercial or social media use without my permission.


  1. April on October 17, 2022 at 11:56 am

    Great results from a great recipe! I add 1 tsp of instant coffee to ramp up the chocolate flavor. Also use a cream cheese glaze instead of the chocolate frosting. Thanks for this wonderful recipe!

  2. Tanja on August 6, 2022 at 2:57 pm

    So delicious – moist, and sweet, but not overwhelming!

    • Sonya on November 1, 2022 at 10:04 pm

      I wish I could post a picture, I’m not sure what I did wrong but my cake bubbled over and then collapsed and didn’t cook all the way through even with an addition of 10 min. To bake.

      • thisunmillenniallife on November 2, 2022 at 8:08 am

        I’m sorry this happened. It sounds like a liquid:flour ratio problem. My guess is either too thin of sourdough discard (meaning too much liquid) and/or too little flour (depending on how you measured your flour.) ~Regan

  3. Karen on April 11, 2022 at 8:21 pm

    I love the flavor but both times I’ve made it it has fallen. Thoughts?

    • thisunmillenniallife on April 12, 2022 at 7:46 am

      Hi Karen,

      Falling can mean a lot of different things — underdone, too much liquid (possibly an issue if your discard was watery), not enough leavening. It’s hard to troubleshoot without knowing other things about the recipe. I hope if you make it again you don’t have the same issue. Thanks for stopping by 🙂 ~Regan

      • Connie on May 22, 2022 at 6:44 am

        This cake was delicious, very moist and chocolatey. And very easy to make. I will definitely make it again.

        • thisunmillenniallife on June 6, 2022 at 7:33 am

          So glad you enjoyed it! ~Regan

  4. Caroline on March 12, 2022 at 12:10 pm

    Thank you so much for this sourdough recipe. What a great way to use the discard. I made a double batch to make 2 and am gifting 1 to some friends. This is a beautiful chocolate cake!

    • thisunmillenniallife on March 14, 2022 at 9:12 am

      So glad you enjoyed it! ~Regan

  5. Shannon on January 12, 2022 at 2:50 pm

    FABULOUS! This cake is wonderful. It is easy to assemble and is delicious! Great use of the sourdough discard. Will be putting this in to rotation.

    • thisunmillenniallife on January 26, 2022 at 3:46 pm

      So glad you enjoyed it! ~Regan

  6. Jan on August 3, 2021 at 7:42 am

    Fabulous! Very rich and chocolate y. Hubby didn’t know it was sourdough until after he tasted and asked for 2nd piece!!

  7. Debbie on June 22, 2021 at 11:24 pm

    Wow, this cake was fabulous! Made it for my mother-in-law’s birthday and she loved it! Even my picky hubby said it was great, thank you, it’s a keeper 😊

    • thisunmillenniallife on July 2, 2021 at 8:20 am

      I’m so glad you enjoyed it! ~Regan

  8. Karen on April 29, 2021 at 4:55 pm

    Can I put chocolate chips in the cake?

    • thisunmillenniallife on April 30, 2021 at 5:52 am


  9. Kathleen on February 28, 2021 at 4:19 pm

    This cake was to die for. Very nice dense, rich, moist cake. Loved it!

    • thisunmillenniallife on March 1, 2021 at 2:58 am

      I’m SO happy it turned out good for you! ~Regan

    • Susan V on March 26, 2021 at 9:48 pm

      My husband gave me a look when I told him it had sourdough in it…but he loved it. I use 4 hr fed starter and it rose beautifully. I made 2 6″ cakes which I now do since covid. And 3 cupcakes which my grandkids got to try . It was a YES from everyone. Thank you for a new sourdough recipe, who would have “thunk”

      • thisunmillenniallife on March 27, 2021 at 5:19 pm

        I love this story! So glad you enjoyed it 🙂 ~Regan

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