Sourdough Cloud Cake

🌿 Introduction

If you love soft, airy desserts that practically melt in your mouth, this Sourdough Cloud Cake is a recipe you need to try. It’s light as a cloud, delicately sweet, and has a subtle tang from sourdough discard that makes every bite extra special.

The first time I made this cake, I was looking for a creative way to use leftover sourdough discard without baking another loaf of bread. I wanted something different, soft, and comforting. The result was this incredibly fluffy Sourdough Cloud Cake that felt like eating a sweet little cloud.

What makes this recipe special is its texture. It’s softer than regular sponge cake, wonderfully airy, and perfect with tea, coffee, or fresh fruit. Plus, it’s a fun and unique way to give your sourdough discard a second life.

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💛 Why You Will Love This Recipe

This Sourdough Cloud Cake is simple, elegant, and incredibly delicious.

Here’s why everyone loves it:

• Light and fluffy texture
• Perfect way to use sourdough discard
• Not overly sweet
• Easy to make with simple ingredients
• Beautiful for tea time or dessert

Once you take the first bite, you’ll understand why it’s called a cloud cake.

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🛒 Ingredients List

You only need a few simple ingredients for this Sourdough Cloud Cake:

• ½ cup sourdough discard
• 4 large eggs, separated
• ½ cup granulated sugar
• ¼ cup milk
• ¼ cup melted butter
• ¾ cup all-purpose flour
• 1 teaspoon vanilla extract
• ½ teaspoon cream of tartar or 1 teaspoon lemon juice
• Pinch of salt
• Powdered sugar for dusting (optional)

Optional additions:

• Lemon zest
• Fresh berries
• Whipped cream for serving

👉 Tip: Bring the eggs to room temperature for a fluffier cake.

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👩‍🍳 Step-by-Step Instructions

Making this Sourdough Cloud Cake is easier than it looks.

1. Preheat the oven

Preheat your oven to 325°F (165°C). Grease and line an 8-inch round cake pan.

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2. Prepare the egg yolk mixture

In a bowl, whisk together:

• Egg yolks
• Sourdough discard
• Milk
• Melted butter
• Vanilla extract

Mix until smooth.

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3. Add the dry ingredients

Sift in the flour and stir until there are no lumps.

Set aside.

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4. Make the meringue

In a separate bowl, beat the egg whites with cream of tartar until foamy.

Gradually add the sugar and continue beating until stiff peaks form.

👉 This step gives the Sourdough Cloud Cake its signature airy texture.

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5. Fold the mixtures together

Gently fold one-third of the egg whites into the batter.

Then carefully fold in the remaining egg whites until just combined.

Avoid overmixing to keep the batter light and fluffy.

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6. Bake

Pour the batter into the prepared pan.

Bake for 35–40 minutes, or until the top is lightly golden and a toothpick comes out clean.

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7. Cool and serve

Allow the cake to cool completely before removing it from the pan.

Dust with powdered sugar and serve.

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✨ Pro Tips & Variations

Want to make your Sourdough Cloud Cake even better? Try these ideas:

• Add lemon zest for a citrusy flavor.
• Fold in mini chocolate chips.
• Top with fresh strawberries and whipped cream.
• Add a little cinnamon for warmth.
• Serve with berry sauce for an elegant dessert.

👉 Mistake to avoid: Overmixing the batter can deflate the egg whites and make the cake dense.

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🥗 Health Benefits

This Sourdough Cloud Cake is a lighter dessert compared to many rich cakes.

Some simple benefits include:

• Uses less butter than traditional cakes
• Light and airy texture feels less heavy
• Great way to reduce food waste by using sourdough discard
• Homemade with simple ingredients
• Perfect for smaller portions and light desserts

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🍽️ Serving Suggestions

This Sourdough Cloud Cake tastes amazing:

• With a cup of tea or coffee
• Topped with whipped cream
• With fresh berries or peaches
• As a light afternoon dessert
• Served chilled on warm days

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❄️ Storage Tips

To keep your Sourdough Cloud Cake fresh:

• Store covered at room temperature for up to 2 days.
• Refrigerate for up to 5 days.
• Freeze slices for up to 2 months.
• Let chilled cake sit at room temperature before serving.

👉 Tip: The cake stays soft and delicious even the next day.

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❓ Frequently Asked Questions

1. Can I use active sourdough starter?

Yes. Both active starter and sourdough discard work well.

2. Why is my cloud cake dense?

Overmixing or deflating the egg whites can make the cake less fluffy.

3. Can I make it gluten-free?

Yes, use a gluten-free flour blend.

4. Does the cake taste sour?

No. The sourdough adds a subtle depth of flavor, not a strong sour taste.

5. Can I make this cake ahead of time?

Absolutely. It tastes wonderful the next day.

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🌟 Conclusion

This Sourdough Cloud Cake is soft, fluffy, lightly sweet, and beautifully airy. It’s the perfect way to turn extra sourdough discard into a delicate dessert that feels elegant and comforting at the same time.

Whether you serve it with fresh fruit, enjoy it with coffee, or simply dust it with powdered sugar, this cake is sure to become a favorite.

So grab your sourdough discard and bake this dreamy Sourdough Cloud Cake today—light as a cloud and absolutely delicious. ☁️🍰✨