The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (2024)

ByElien

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This chocolate sourdough cake is filled with creamy chocolate frosting and topped with a rich chocolate ganache. It is the perfect way to use your sourdough discard starter and makes the best chocolate cake.

The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (1)

​Sourdough starter discard

This sourdough discard chocolate cake is the perfect recipe for using your excess sourdough starter! It’s a rich chocolate layer cake and makes a wonderful birthday cake or cake for any occasion.

The great thing aboutsourdough discard recipesis that you can save up all the starter discard in a jar in the fridge and use it when you want. Other sourdough starters discard recipes includepuff pastryandovernight sourdough pancakes.

Thissourdough cake recipedoesn’t rely on the yeast in the starter the way that sourdough breaddoes. It uses the acid produced by the Lactobacillus bacteria in the starter.

This starter hasn’t been fed in a while or passed its peak and is now very acidic. That’s not good forsourdough bread, but it’s great for this sourdough chocolate cake (orred velvet cake!) Don’t have a starter yet? Learn to make your own starter with thissourdough starter recipe.

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Ingredients

The actual amounts of the ingredients for this tender chocolate cake recipe are written in the recipe card at the bottom of this post. Here is a rundown of what you need.

  • Sugar – There’s a mixture of granulated and brown sugar for sweetness and moisture.
  • Large eggs – Eggs act as a binding agent, providing structure and stability. They also add moisture and fat.
  • Vanilla paste or good-quality vanilla extract – Vanilla adds depth of flavor, enhancing the chocolate.
  • Discard sourdough starter – The sourdough discard contributes a unique, slightly tangy flavor, balancing the sweetness of the cake. The acid in the starter creates a tender cake.
  • Vegetable oil. Oil creates a really moist cake. You could use light olive oil, liquid coconut oil, or neutral-tasting vegetable oil.
  • Salt – Enhances all the flavors.
  • All-purpose flour – The base of the cake.
  • Whole milk – Loosens the batter.
  • Cocoa powder (this can be natural cocoa powder or dutch processed cocoa powder)
  • Baking powder and baking soda – The leavening agents in the cake.
  • Hot coffee. I use instant espresso powder dissolved in boiling water. If you’re not a fan of coffee, don’t worry, you won’t taste it. The coffee helps to strengthen the chocolate flavor. If you want to leave it out, it can be substituted for hot water.

Fermented chocolate cake

Make the batter the night before and leave it to ferment in the fridge. This helps break down the starches in the flour and helps with digestion.Cover the bowl of cake batter tightly. This is an optional step.

Equipment

This sourdough chocolate cake is best baked in two 8-inch round cake pans. It can, however be baked in one larger pan and sliced in half, but it will bake more evenly when baked in two.

Method

Grease and line the cake pans with parchment paper.

The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (3)

In a large mixing bowl, whisk together the flour, cocoa, salt, baking powder, and baking soda and set it aside.

In a separate bowl, whisk together the sourdough starter, eggs, vanilla, oil, milk, and sugars.

The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (4)

Pour the wet ingredients into the flour mixture and fold gently for a minute before pouring over the hot coffee.

Mix the wet and dry ingredients briskly together but don’t over mix the batter.

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Pour the chocolate cake batter into the greased cake pans and bake until a skewer inserted into the center of the cakes comes out clean and the top of the cakes springs back when touched.

Let the cakes cool in the pan for 5 minutes before removing and placing them on a wire cooling rack to cool completely before frosting.

Frosting

In a bowl of a stand mixer fitted with a paddle attachment, beat the room-temperature butter until light and creamy.

Add the powdered sugar, cocoa powder, milk, vanilla, and salt to the butter.

Whisk on low speed to incorporate them, scraping the sides of the bowl as needed.Once incorporated, switch to medium-high speed and beat the mixture for another 1-2 minutes until it’s light and fluffy.

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Assembling

Switch to a rubber spatula and stir the buttercream in a spreading motion to smooth out some bubbles.

Spread ¼ of the buttercream on one cake round so it reaches the edges. Add the second cake round on top. Top this round with another ¼ buttercream and spread it out with an offset spatula.

Use the remaining buttercream to cover the edges of the cake, and use a dough scraper to smooth it out.

Chocolate ganache

The ganache topping is optional but adds a real decadent touch to the chocolate cake and it’s perfect for chocolate lovers.

Heat the cream in a small saucepan until just simmering. Take it off the heat and add in chopped chocolate. Let them melt, then stir them together until glossy.

Leave the ganache to cool and thicken before pouring it on the cake so it can spread in a thick layer.

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FAQS

Why use sourdough in a chocolate cake?

Sourdough starter adds a subtle tanginess to the cake, making the chocolate flavor more complex. Plus, it helps to leaven the cake, making it light and tender.

Can I use unfed sourdough discard for this cake?

Yes, unfed sourdough discard works perfectly for this recipe. It’s a great way to use up, discard and minimize waste.

How long can I store the cake?

Store at room temperature in an airtight container for 3-4 days or, in the fridge for about a week. It can also be frozen for up to 3 months. Just make sure to wrap it well to prevent it from drying out.

Variations

  • Sourdough Chocolate Orange Cake: Add the zest of an orange into the batter, and replace half of the milk with fresh orange juice. The citrus flavor pairs wonderfully with chocolate.
  • Sourdough Mocha Cake: Go heavier on the coffee to add mocha flavor. Add a tablespoon of instant coffee powder to the batter to give your cake a rich mocha flavor.
  • Chocolate raspberry cake: On the first layer of cake, spread out some of the frosting, then pipe a wide ring of frosting around the edge. Spoon in a layer of raspberry compote. Add the second layer of cake, and continue frosting with chocolate buttercream.
  • Sourdough Mint Chocolate Cake: Add 1/4 teaspoon peppermint extract to your cake batter and 1 teaspoon peppermint extract to the chocolate buttercream frosting.

Related recipes

Keen to make some other delicious recipes? Try this sourdough red velvet cake or other sourdough recipes that are not bread, like sourdough croissants or homemade sourdough waffles.

The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (8)
The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (9)

Sourdough Chocolate Cake

Yield: 8 inch cake

Prep Time: 20 minutes

Cook Time: 30 minutes

Total Time: 50 minutes

This rich sourdough chocolate cake is the perfect way to use your sourdough discard starter.

Ingredients

Cake batter

  • 220g (1 3/4 cups*) all-purpose flour
  • 70g (3/4 cup) cocoa powder
  • 1/2 tsp salt
  • 1 tsp baking powder
  • 1 tsp baking soda
  • 2 large eggs
  • 1 tsp vanilla extract
  • 180g (3/4 cup) vegetable oil
  • 100g (1/2 cup) sourdough discard starter
  • 130g (2/3 cup) granulated sugar
  • 130g (2/3 cup) soft brown sugar
  • 240g (1 cup) milk
  • 120g (1/2 cup) hot strong coffee

Chocolate Buttercream

  • 226g (1 cup) butter, softened to room temperature
  • 300-375g (2 1/2-3 cups) powdered sugar
  • 30g (1/3 cup) cocoa powder
  • 1/2 teaspoon vanilla extract or paste
  • 2-3 Tbsp milk or cream at room temperature
  • 1/4 tsp salt

Chocolate Ganache

  • 125g (1/2 cup) pouring cream
  • 150g (5oz) semi-sweet chocolate, chopped

Instructions

  1. Preheat the oven to 180°C (350°F), grease, and line two 8-inch round cake pans.
  2. Mix the flour, cocoa powder, salt, baking powder, and baking soda in a large bowl. Set it aside.
  3. Whisk together the sourdough starter, eggs, vanilla, oil, milk, and sugars in a separate bowl.
  4. Pour the wet mixture into the flour mixture and fold gently for a minute before pouring over the hot coffee.
  5. Mix briskly together but don't over-mix.
  6. Pour into the prepared cake pans and bake for 25-30 minutes until a skewer inserted into the cakes comes out clean.

Chocolate Buttercream

  1. In a stand mixer bowl fitted with a paddle attachment, beat the room-temperature butter until light and creamy.
  2. Add the powdered sugar, cocoa powder, milk, vanilla, and salt to the butter.
  3. Whisk on low speed to incorporate them, scraping the sides of the bowl as needed.Once incorporated, switch to medium-high speed and beat the mixture for another 1-2 minutes until it's light and fluffy.

Chocolate Ganache

  1. In a small saucepan, heat the cream until just simmering. Take it off the heat and add the chopped chocolate.
  2. Leave it to sit for 5 minutes, then stir until it is glossy and all the chocolate has melted. Let it cool down until it thickens before pouring on the cake.

Notes

* The cup sizes given are US-sized cups. Note that these are smaller than metric. For best results, use a kitchen scale and grams.

The calorie count for this recipe is for one serving of sourdough chocolate cake. It does not include the frosting or ganachetopping.

The batter can be made the night before and left to ferment in the fridge. This helps with breaking down the starches in the flour.

Recommended Products

As an Amazon Associate, a Mighty Ape affiliate and member of other affiliate programs, I earn from qualifying purchases.

Nutrition Information:

Yield: 12Serving Size: 1 slice
Amount Per Serving:Calories: 300Total Fat: 16gSaturated Fat: 12gUnsaturated Fat: 0gCholesterol: 29mgSodium: 301mgCarbohydrates: 39gFiber: 2gSugar: 24gProtein: 4g

Elien

I'm Elien. I love baking, especially with sourdough, and I'm passionate about sharing my recipes with you! You will find me spending most of my days either recipe testing in the kitchen, photographing food in my living room, or out in the garden. I'm so happy to have you here!

The Best Sourdough Chocolate Cake Recipe - Home Grown Happiness (2024)

FAQs

How do I make my sourdough starter stronger? ›

10. How do I make my sourdough starter more active?
  1. Keep your starter warm, 74-76°F (23-24°C) or warmer.
  2. Use more whole grains in each feeding.
  3. Feed your starter when it's ripe (not too early, and not too late)
  4. Don't place it into the refrigerator.
Jun 6, 2022

Can I use regular flour for sourdough starter? ›

If you do not have whole wheat flour, just use all purpose flour instead. The starter will be fine. I switch to all purpose flour for the feedings because it's reliable, inexpensive and practical for everyday baking (remember, a portion of your starter is removed, discarded, or used for something else).

How to make sourdough more sour? ›

Longer fermentation

When it comes time to proof your dough, the longer you proof, the more sour the dough will be. As your dough proofs, the good bacteria eats up sugars and starches in the flour. This decreases the sweet undertone and creates a more sour undertone.

How to make sourdough rise more? ›

Use a proofing bowl or dough-rising container with a lid that is slightly breathable. This will keep your sourdough warm while allowing some of the moisture to escape, which helps promote activity in your starter. It should also help create an environment that allows the starter to rise more.

What is the best flour for sourdough bread? ›

The best flour blend for creating a new sourdough starter is 50% whole-meal flour (whole wheat or whole rye) and 50% bread flour or all-purpose flour. I recommend a 50/50 mix of whole wheat flour and bread flour.

Why is my sourdough not strong enough? ›

KEY TIP: Protein gives the sourdough starter and dough enough strength to rise a loaf of artisan bread without adding yeast. Without this level of protein, you may get a bubbly starter but your loaf will be too relaxed, like a weak muscle, unable to rise your bread.

What temperature do you bake sourdough bread at? ›

Preheat your oven with a baking surface or combo cooker/Dutch oven inside to 450°F (230°C). Remove your dough from the fridge, score it, and transfer it to the preheated baking surface or combo cooker. Bake for 20 minutes with steam.

What happens if I feed my sourdough starter with bread flour? ›

But all purpose, bread flour, whole wheat flour or rye flour are all suitable for feeding a regular sourdough starter successfully. Many people like to feed their sourdough starter a cheaper flour, particularly when in the establishment phase and going through quite a bit of it.

Why use unbleached flour for sourdough? ›

Bleached flour does not have as much natural yeast as unbleached flour does. I've had the most success with Meijer store brand unbleached flour.

What makes sourdough taste better? ›

The key taste compounds include salt, which is directly added to the dough, as well as acetic and lactic acid, produced during fermentation. After these experiments, they applied a technique called “unified flavor quantitation,” which was previously developed by Hofmann's team, to the sourdough bread.

Why doesn't my homemade sourdough bread taste sour? ›

Using flours with more ash, or mineral, content, will yield more sour taste. If you can't get enough ash, adding a bit of whole wheat flour to your recipe, which is what is done with the 20% Bran Flour, will boost the sour of a bread. Conversely, using a lower ash flour will tend to produce a milder bread.

What to do with throw away sourdough starter? ›

You can always use this discard by directly mixing it into a dough for baking. Your discard, as long as it's in good shape, will leaven any bread dough just as well. The discard is just like a levain you would make for a recipe. The only difference is it's the same makeup as your starter.

What happens if you let sourdough bread rise too long? ›

The loaf is also inclined to over spring resulting in a crumb with big, random, holes or channels running through the loaf. If you over-ferment the dough you run the risk of the gluten structure degrading and the loaf turning into a puddle of goo before your eyes, never to be retrieved and destined for the bin.

Can you let sourdough rise overnight on the counter? ›

If you don't want to put the dough in the fridge for a cold ferment, you can leave it to proof on the counter for a little while. You do need to be careful not to let it over ferment. Ideally, you want the temperature to be on the cooler side (no more than 21C / 69.8F). Let the dough relax into the banneton.

How do I make my sourdough bread more fluffy? ›

Keeping the lid on for the first part of baking allows steam to expand between the gluten fibers to rise the bread and create a fluffy loaf. Step 4: Remove the lid and bake for an additional 12-14 minutes or until the crust is crispy and golden brown. Once you take the lid off, the bread likely won't rise anymore.

How to increase sourdough strength? ›

You can develop dough strength by kneading the dough or trough stretch and fold during bulk fermentation. Laminating the dough is another method. You can also use flour with higher protein content.

How to fix a sluggish sourdough starter? ›

My starter is sluggish (taking too long to double)
  1. Feed at a lower hydration. ...
  2. Feed more often. ...
  3. Keep it warmer. ...
  4. Feed it all white flour.
Apr 17, 2023

How do you revive a weak sourdough starter? ›

To revive the dried sourdough starter, mix equal parts, by weight, of the dried starter and warm water. Allow it to completely re-hydrate the starter and then feed it with equal parts of starter, flour, and water.

How to fix runny sourdough starter? ›

If your starter is too runny, it maybe that you need to increase the ratio. A ratio of 1:2:2 can work - so you'd double the flour and water. Alternatively, if your starter is very runny, a 1:2:1 ratio could be used. This would mean that for 50g of starter, you'd feed it 100g of flour and 50g of water.

References

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