Sourdough Brownies
Sourdough brownies offer a deliciously unique twist on the classic brownie, incorporating the tangy flavor of sourdough starter into a rich, fudgy treat. This innovative recipe not only reduces waste by using leftover starter but also elevates the flavor profile of your brownies. Whether you’re a sourdough enthusiast or just looking for a new dessert to try, these brownies are sure to satisfy your sweet tooth with their chewy texture and deep chocolate flavor.
Ingredients
– 1 cup unsweetened cocoa powder
– 1 cup all-purpose flour
– 1 cup granulated sugar
– 1 cup brown sugar
– 1/2 cup unsalted butter, melted
– 1 cup sourdough starter, at room temperature
– 3 large eggs
– 1 teaspoon vanilla extract
– 1/2 teaspoon salt
– 1 cup chocolate chips

Servings and Cooking Time
This recipe yields approximately 12 servings. Preparation time is about 15 minutes, with a cooking time of 25-30 minutes.
Nutritional Value
Each serving of sourdough brownies (1 piece) contains approximately:
– Calories: 250
– Total Fat: 12g
– Saturated Fat: 7g
– Carbohydrates: 35g
– Fiber: 2g
– Sugar: 20g
– Protein: 3g
Step-by-Step Cooking Process
1. Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.
2. In a large mixing bowl, combine the melted butter, granulated sugar, and brown sugar.
3. Mix well until the sugars are fully incorporated into the butter.
4. Add the eggs one at a time, beating well after each addition.
5. Stir in the vanilla extract and sourdough starter until smooth.
6. In a separate bowl, whisk together the cocoa powder, flour, and salt.
7. Gradually add the dry ingredients to the wet mixture, stirring until just combined.
8. Fold in the chocolate chips until evenly distributed.
9. Pour the batter into the prepared baking pan and spread evenly.
10. Bake for 25-30 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.

Alternative Ingredients
You can substitute granulated sugar with coconut sugar for a more natural sweetness. For a gluten-free version, use almond flour or a gluten-free all-purpose flour blend. Additionally, dairy-free butter can be used to make this recipe vegan.
Serving and Pairings
These sourdough brownies pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream. A sprinkle of sea salt on top adds an extra flavor boost. Serve them with a cup of coffee or tea for a delightful afternoon treat.
Storage and Reheating
Store sourdough brownies in an airtight container at room temperature for up to 4 days. They can also be refrigerated for up to a week. To reheat, pop them in the microwave for a few seconds, or enjoy them cold for a fudgy treat. Brownies can be frozen for up to 3 months; just make sure to wrap them well.
Cooking Mistakes
– Don’t overmix the batter; it should be mixed just until combined.
– Ensure your sourdough starter is active and bubbly for the best flavor.
– Avoid opening the oven door while baking to prevent collapsing.
– Use a toothpick to test doneness; it should come out with a few moist crumbs.
– Don’t forget to grease your pan; this helps with easy removal.
Helpful Tips
– Let the brownies cool completely before cutting for cleaner slices.
– Experiment with different types of chocolate chips or add nuts for extra texture.
– A pinch of espresso powder can enhance the chocolate flavor.
– For a richer taste, use dark cocoa powder instead of regular cocoa.

FAQs
Can I use a different type of flour?
Yes, you can use gluten-free flour or almond flour as alternatives. Just ensure the consistency is maintained.
How do I know when the brownies are done?
Insert a toothpick into the center; it should come out with a few moist crumbs, not wet batter.
Can I make these brownies ahead of time?
Absolutely! They can be made a day in advance and stored in an airtight container.
What should I do if my brownies are too cakey?
Ensure you measured your ingredients accurately, as too much flour can lead to cakey brownies.
Can I add different mix-ins to the brownies?
Definitely! Feel free to add nuts, dried fruit, or different types of chocolate chips to your liking.
Conclusion
Sourdough brownies are a delicious and creative way to use up leftover sourdough starter. With their rich chocolate flavor and chewy texture, they make an indulgent treat that’s sure to impress. Whether enjoyed on their own or paired with a scoop of ice cream, these brownies are a must-try for any chocolate lover.

Sourdough Brownies
Ingredients
- 1 cup unsweetened cocoa powder
- 1 cup all-purpose flour
- 1 cup granulated sugar
- 1 cup brown sugar
- 1/2 cup unsalted butter melted
- 1 cup sourdough starter at room temperature
- 3 large eggs
- 1 teaspoon vanilla extract
- 1/2 teaspoon salt
- 1 cup chocolate chips
Instructions
- Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking pan.
- In a large mixing bowl, combine the melted butter, granulated sugar, and brown sugar.
- Mix well until the sugars are fully incorporated into the butter.
- Add the eggs one at a time, beating well after each addition.
- Stir in the vanilla extract and sourdough starter until smooth.
- In a separate bowl, whisk together the cocoa powder, flour, and salt.
- Gradually add the dry ingredients to the wet mixture, stirring until just combined.
- Fold in the chocolate chips until evenly distributed.
- Pour the batter into the prepared baking pan and spread evenly.
- Bake for 25-30 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.