Brownies With Sourdough Starter

Highlighted under: Family Food

I absolutely love baking, and these brownies with sourdough starter have become my go-to treat. They capture the perfect balance of rich chocolate and the subtle tang from the sourdough, making each bite a delightful surprise. The addition of the sourdough not only adds flavor but also contributes to the moist texture that makes these brownies so irresistible. Whether I’m making them for a cozy night in or to impress guests at a gathering, they never fail to satisfy my chocolate cravings and leave everyone asking for the recipe.

Dahlia Kensington

Created by

Dahlia Kensington

Last updated on 2026-01-24T15:07:47.656Z

When I first stumbled upon the idea of using sourdough starter in brownies, I was intrigued. I decided to experiment and found that it truly enhances the chocolate flavor while adding a unique depth. To ensure a perfect texture, I carefully balanced the ingredients, and the result was a batch of brownies that were both fudgy and chewy.

One particular day, I made these for a gathering, and to my delight, they were the first dessert to disappear! The sourdough adds just a hint of tang, complementing the chocolate beautifully. My secret tip is to let them cool entirely before cutting; it makes for cleaner edges and a better presentation!

Why You Will Love This Recipe

  • Rich chocolate flavor accentuated by the sourdough's unique tang
  • Fudgy texture that is perfectly chewy and satisfying
  • A creative way to use your sourdough starter without waste

Understanding the Role of Sourdough Starter

The use of sourdough starter in this brownie recipe adds not only a distinctive tang but also moisture and tenderness to the fudgy texture. When you incorporate the starter, you're introducing live cultures that can interact with the baking powder, enhancing the overall leavening while maintaining a dense structure. If you’re concerned about the flavor, rest assured that the bitterness of cocoa and the sweetness of sugar will balance out the tanginess beautifully, so don't shy away from using it.

If you have an unfed sourdough starter, it can still work wonders in this recipe. The acidity and wild yeast present in the starter can enhance fermentation, which leads to a slightly chewy and rich brownie experience. Just make sure your starter hasn't developed any off odors; a healthy starter will contribute positively to your brownies' flavor.

Tips for Achieving the Perfect Brownie Texture

Baking brownies is as much about timing as it is about ingredients. To achieve that perfect fudgy consistency, keep an eye on your brownies as they near the 25-minute mark. Everyone's oven is slightly different, so be sure to perform the toothpick test—insert it into the center, and if it comes out with a few moist crumbs (not wet batter), it’s time to take them out. Overbaking can lead to a drier texture, so err on the side of caution.

Allowing your brownies to cool completely in the pan is essential for ensuring they hold their shape. If you’re in a hurry, transferring them to a wire rack can help speed up the cooling process; just be sure to let them sit in the pan for at least 10-15 minutes first to prevent breaking. The longer they sit, the more the flavors meld together, enhancing that delightful chocolate experience.

Storing and Serving Your Brownies

Once cooled, you can store your brownies in an airtight container for up to a week at room temperature. For longer storage, consider freezing them. Just wrap individual brownies in plastic wrap and then place them in a freezer-safe bag. They can be kept frozen for up to three months, and you can enjoy them by letting them thaw at room temperature or warming them in the microwave for a few seconds before serving.

For a lovely presentation or added flair, consider serving these brownies warm with a scoop of vanilla ice cream or a drizzle of chocolate sauce. You can also sprinkle some flaky sea salt on top right after they come out of the oven for a sweet-salty contrast that pairs exquisitely with the richness of the chocolate.

Ingredients

Gather these ingredients to get started on your brownies:

Ingredients

  • 1 cup all-purpose flour
  • 1/2 cup unsweetened cocoa powder
  • 1 cup granulated sugar
  • 1/2 cup unsalted butter, melted
  • 2 large eggs
  • 1 cup sourdough starter (fed or unfed)
  • 1 tsp vanilla extract
  • 1/2 tsp baking powder
  • 1/4 tsp salt
  • 1 cup chocolate chips (optional)

With these ingredients prepared, you’re ready to create something wonderful!

Instructions

Follow these steps to craft your delicious brownies:

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a 9x9-inch baking pan.

Mix Wet Ingredients

In a large bowl, combine melted butter, granulated sugar, and sourdough starter. Mix in the eggs and vanilla extract until smooth.

Combine Dry Ingredients

In another bowl, whisk together the flour, cocoa powder, baking powder, and salt.

Combine Mixtures

Gradually add the dry ingredients to the wet mixture. Stir until just combined, then fold in chocolate chips if using.

Bake

Pour the brownie batter into the prepared pan and spread evenly. Bake for 25-30 minutes or until a toothpick inserted comes out with a few moist crumbs.

Cool and Serve

Allow the brownies to cool completely in the pan before cutting them into squares for the best results.

Your brownies are ready to enjoy. Serve and share the love!

Secondary image

Pro Tips

  • For an extra touch, consider adding nuts or a sprinkle of sea salt on top before baking. This can elevate the flavor profile and add a delightful crunch!

Ingredient Substitutions

If you're looking to make these brownies without eggs, you can substitute each egg with 1/4 cup of unsweetened applesauce or a flaxseed egg (1 tablespoon of ground flaxseed mixed with 2.5 tablespoons of water, left to sit for 5 minutes). This keeps the brownie moist and helps them rise, while also staying true to their fudgy nature.

For a gluten-free option, simply swap in a gluten-free all-purpose flour blend that contains xanthan gum. This will maintain the texture and richness that these brownies are known for. Keep an eye on your baking time as different flours may require slight adjustments in cook time.

Troubleshooting Common Issues

If your brownies turn out too dry, it could be due to overmixing or overbaking. Make sure to mix the batter only until just combined and keep a close watch on the baking time. Setting a kitchen timer can help you avoid that dreaded situation where they bake longer than needed.

If they are too gooey in the center, it might mean they haven’t baked long enough. Use the toothpick method to check doneness. If you find yourself in this situation, you can return them to the oven for an additional 5-10 minutes—just be careful not to dry them out. Letting them cool properly afterward will also enhance the structure.

Questions About Recipes

→ Can I use unfed sourdough starter for this recipe?

Yes, unfed sourdough starter works perfectly. It adds flavor and moisture to the brownies.

→ How should I store leftover brownies?

Store them in an airtight container at room temperature for up to 3 days, or in the fridge for a week.

→ Can I freeze these brownies?

Absolutely! Wrap them tightly in plastic wrap and place them in a freezer-safe bag for up to 3 months.

→ What can I substitute for butter?

You can substitute melted coconut oil or a vegan butter alternative for a dairy-free version.

Brownies With Sourdough Starter

I absolutely love baking, and these brownies with sourdough starter have become my go-to treat. They capture the perfect balance of rich chocolate and the subtle tang from the sourdough, making each bite a delightful surprise. The addition of the sourdough not only adds flavor but also contributes to the moist texture that makes these brownies so irresistible. Whether I’m making them for a cozy night in or to impress guests at a gathering, they never fail to satisfy my chocolate cravings and leave everyone asking for the recipe.

Prep Time15 minutes
Cooking Duration30 minutes
Overall Time45 minutes

Created by: Dahlia Kensington

Recipe Type: Family Food

Skill Level: Easy

Final Quantity: 12 brownies

What You'll Need

Ingredients

  1. 1 cup all-purpose flour
  2. 1/2 cup unsweetened cocoa powder
  3. 1 cup granulated sugar
  4. 1/2 cup unsalted butter, melted
  5. 2 large eggs
  6. 1 cup sourdough starter (fed or unfed)
  7. 1 tsp vanilla extract
  8. 1/2 tsp baking powder
  9. 1/4 tsp salt
  10. 1 cup chocolate chips (optional)

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease a 9x9-inch baking pan.

Step 02

In a large bowl, combine melted butter, granulated sugar, and sourdough starter. Mix in the eggs and vanilla extract until smooth.

Step 03

In another bowl, whisk together the flour, cocoa powder, baking powder, and salt.

Step 04

Gradually add the dry ingredients to the wet mixture. Stir until just combined, then fold in chocolate chips if using.

Step 05

Pour the brownie batter into the prepared pan and spread evenly. Bake for 25-30 minutes or until a toothpick inserted comes out with a few moist crumbs.

Step 06

Allow the brownies to cool completely in the pan before cutting them into squares for the best results.

Extra Tips

  1. For an extra touch, consider adding nuts or a sprinkle of sea salt on top before baking. This can elevate the flavor profile and add a delightful crunch!

Nutritional Breakdown (Per Serving)

  • Calories: 280 kcal
  • Total Fat: 14g
  • Saturated Fat: 8g
  • Cholesterol: 70mg
  • Sodium: 110mg
  • Total Carbohydrates: 35g
  • Dietary Fiber: 2g
  • Sugars: 20g
  • Protein: 4g