Sourdough Chocolate Cake
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🍫 Sourdough Chocolate Cake (Ultra Moist, Deep Flavour)
🔥 Rich Chocolate Cake Powered by Sourdough
This sourdough chocolate cake is deep, rich, and incredibly moist—with a soft crumb that stays tender for days. Perfect for using extra starter while baking something that feels straight out of a bakery.
📊 Recipe Info
- Prep Time: 20 minutes
- Bake Time: 35–40 minutes
- Yield: 1 × 9-inch cake
- Difficulty: Beginner
🧾 Ingredients
Dry
- 200g all-purpose flour
- 50g cocoa powder
- 200g sugar
- 1 tsp baking soda
- ½ tsp salt
Wet
- 200g sourdough starter (active or discard)
- 2 eggs
- 120ml oil (or melted butter)
- 180ml milk
- 1 tsp vanilla
🥣 Step 1: Mix Wet Ingredients
In a large glass bowl, whisk together:
- sourdough starter
- eggs
- oil
- milk
- vanilla
Whisk until smooth and glossy.
🧂 Step 2: Combine Dry Ingredients
In a second glass bowl, mix:
- flour
- cocoa powder
- sugar
- baking soda
- salt
Stir evenly to remove lumps.
🔄 Step 3: Combine Wet + Dry
Slowly add dry ingredients into the wet mixture.
Fold gently with a spatula or whisk until smooth.
Do not overmix.
Batter should be thick but pourable.
🍰 Step 4: Pour Into Pan
Line a 9-inch cake pan with parchment.
Pour batter evenly and smooth the top.

🔥 Step 5: Bake
Bake at 350°F (175°C) for 35–40 minutes
Look for:
- Set center
- Slight spring when pressed
- Toothpick comes out clean

❄️ Step 6: Cool
Remove from pan and cool completely on a rack before frosting.
🍫 Step 7: Frosting
Whisk:
- 100g butter
- 200g icing sugar
- 30g cocoa powder
- splash of milk
Spread evenly over cooled cake.
🔪 Step 8: Slice & Serve
Cut into thick slices and serve.
Moist, rich, and slightly tangy from the sourdough.

🧠 Pro Tips
- Use discard for subtle tang, active starter for lighter texture
- Don’t overbake — moisture is everything
- Add chocolate chips for extra richness
- Even better the next day
🐿️ Starter Makes the Difference
Even in cakes — your starter changes everything.
A strong, reliable starter gives:
✔ Better structure
✔ Balanced flavour
✔ Consistent results
Squirrelly Girl Sourdough Starter is:
- Beginner-friendly
- Ready in 24–48 hours
- Built from real micro bakery baking
- Shipped free worldwide