Lemon Berry Sourdough Brownies

Highlighted under: Baking & Desserts

I absolutely love the combination of tangy lemon and sweet berries in these sourdough brownies. The unique twist of using sourdough starter not only adds a delightful depth of flavor, but it also makes the brownies incredibly moist and fudgy. Baking them is a wonderful way to use up leftover starter while creating a treat that feels indulgent yet bright. Perfect for sharing or enjoying with a cup of tea, these brownies are sure to become a favorite in our household!

Emily

Created by

Emily

Last updated on 2026-01-27T12:29:28.029Z

When I first experimented with these Lemon Berry Sourdough Brownies, I was taken aback by how well the flavors melded together. The natural tang from the sourdough enhances the sweetness of the berries, creating a perfect balance that’s both refreshing and decadent. I remember my friends raving about them at a potluck, completely unaware of the secret ingredient!

Moreover, the technique is simple yet effective. By incorporating the sourdough starter, I found that it not only contributed to the brownies' moist texture but also gave them a lovely depth of flavor that you don't get from traditional recipes. I recommend using fresh berries for the best burst of flavor!

Why You Will Love These Brownies

  • Tangy lemon flavor balanced by sweet, juicy berries
  • Incredibly moist and fudgy texture from sourdough
  • A unique twist on classic brownies that impresses everyone

The Role of Sourdough Starter

Using sourdough starter in these brownies not only contributes to their moist texture but also enhances their flavor profile. The natural acidity of the sourdough balances the sweetness from the sugars and berries. Make sure your starter is active; if it has been in the fridge for a while, feed it at least 4-6 hours before using to ensure the best rise and taste.

When adding the sourdough starter, aim for a thick consistency without lumps. This will help incorporate it evenly into the batter. If you don't have leftover starter, you can create a substitute by mixing equal parts of yogurt or buttermilk with a dash of baking soda. However, using real sourdough will yield a richer depth of flavor.

Incorporating Citrus and Berries

The lemon zest in this recipe plays a crucial role in brightening the flavor of the brownies. It adds a refreshing aroma that contrasts beautifully with the sweetness of the chocolate. When zesting, be careful to only remove the yellow skin of the lemon to avoid the bitter white pith. You can also squeeze a little lemon juice into the batter for an extra tangy kick.

Fresh berries bring moisture and natural sweetness to the brownies, creating bursts of flavor with every bite. If fresh berries are out of season, feel free to use frozen ones. Just add them straight to the batter without thawing; they will hold their shape better during baking. You might need to slightly extend the baking time to ensure they’re fully cooked.

Baking and Storage Tips

For the best results, avoid overmixing the batter after adding the flour. Mixing just until combined assures that the brownies maintain their fudgy texture. You'll know they're ready when the edges pull away slightly from the pan and a toothpick inserted in the center comes out with a few moist crumbs, rather than wet batter.

Once cooled, these brownies can be stored in an airtight container at room temperature for up to four days. If you want to extend their life, consider freezing them. Cut the brownies into squares, place them in a single layer on a baking sheet, and freeze until solid. Once frozen, transfer them to a freezer bag, where they can be kept for up to three months. Reheat in a microwave for a few seconds for a warm treat.

Ingredients

Brownie Base

  • 1 cup unsweetened cocoa powder
  • 1 cup granulated sugar
  • 1/2 cup brown sugar
  • 1/2 cup unsalted butter, melted
  • 1/2 cup sourdough starter
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt

Lemon and Berries

  • Zest of 1 lemon
  • 1/2 cup fresh blueberries
  • 1/2 cup fresh raspberries

Mix all ingredients thoroughly before pouring into the baking pan.

Instructions

Preheat and Prepare

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

Mix Dry Ingredients

In a large bowl, whisk together the cocoa powder, granulated sugar, brown sugar, flour, baking powder, and salt.

Combine Wet Ingredients

In another bowl, mix the melted butter, sourdough starter, eggs, vanilla extract, and lemon zest until smooth.

Combine and Fold Berries

Pour the wet ingredients into the dry ingredients and stir until just combined. Gently fold in the blueberries and raspberries.

Bake

Spread the brownie batter into the prepared baking pan and bake for 25 minutes.

Cool and Serve

Allow the brownies to cool in the pan for about 10 minutes before slicing and serving.

Enjoy the rich flavors of these unique brownies!

Pro Tips

  • For an extra flair, serve with a dollop of whipped cream and additional berries on top.

Serving Suggestions

These Lemon Berry Sourdough Brownies can be enjoyed on their own, but they pair wonderfully with a scoop of vanilla ice cream or a dollop of whipped cream. The creaminess complements the tart berries and lemon, making it a delightful dessert after dinner or a refreshing afternoon treat. For an extra flourish, drizzle a simple lemon glaze over the top before serving.

Alternatively, for a more sophisticated presentation, consider serving these brownies alongside a cup of herbal tea or even a refreshing lemon-infused drink. This contrast will highlight the citrus notes in the brownies while also offering a light finish to your meal.

Variations to Try

Feel free to experiment with different fruit combinations. Cherries, blackberries, or even diced strawberries can create unique flavor profiles. Just be mindful of the moisture content each fruit adds; adjust your baking time if necessary, especially with juicier fruits.

For added texture, consider swirling in some nut butter, like creamy almond or peanut butter, before baking. This not only enhances the fudgy quality of the brownies but also introduces a delightful nutty contrast to the tangy lemon and sweet berries.

Questions About Recipes

→ Can I use frozen berries instead of fresh?

Yes, but thaw and drain them well to prevent adding excess moisture to the brownies.

→ Is there a substitute for sourdough starter?

You can experiment with plain yogurt or buttermilk if you don't have sourdough starter on hand.

→ How should I store these brownies?

Store in an airtight container at room temperature for up to 3 days, or refrigerate for longer freshness.

→ Can I add nuts to the brownies?

Absolutely! Chopped walnuts or pecans would be a great addition for added texture.

Lemon Berry Sourdough Brownies

I absolutely love the combination of tangy lemon and sweet berries in these sourdough brownies. The unique twist of using sourdough starter not only adds a delightful depth of flavor, but it also makes the brownies incredibly moist and fudgy. Baking them is a wonderful way to use up leftover starter while creating a treat that feels indulgent yet bright. Perfect for sharing or enjoying with a cup of tea, these brownies are sure to become a favorite in our household!

Prep Time20 minutes
Cooking Duration25 minutes
Overall Time45 minutes

Created by: Emily

Recipe Type: Baking & Desserts

Skill Level: Beginner

Final Quantity: 12 servings

What You'll Need

Brownie Base

  1. 1 cup unsweetened cocoa powder
  2. 1 cup granulated sugar
  3. 1/2 cup brown sugar
  4. 1/2 cup unsalted butter, melted
  5. 1/2 cup sourdough starter
  6. 2 large eggs
  7. 1 teaspoon vanilla extract
  8. 1 cup all-purpose flour
  9. 1/2 teaspoon baking powder
  10. 1/4 teaspoon salt

Lemon and Berries

  1. Zest of 1 lemon
  2. 1/2 cup fresh blueberries
  3. 1/2 cup fresh raspberries

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, whisk together the cocoa powder, granulated sugar, brown sugar, flour, baking powder, and salt.

Step 03

In another bowl, mix the melted butter, sourdough starter, eggs, vanilla extract, and lemon zest until smooth.

Step 04

Pour the wet ingredients into the dry ingredients and stir until just combined. Gently fold in the blueberries and raspberries.

Step 05

Spread the brownie batter into the prepared baking pan and bake for 25 minutes.

Step 06

Allow the brownies to cool in the pan for about 10 minutes before slicing and serving.

Extra Tips

  1. For an extra flair, serve with a dollop of whipped cream and additional berries on top.

Nutritional Breakdown (Per Serving)

  • Calories: 280 kcal
  • Total Fat: 13g
  • Saturated Fat: 7g
  • Cholesterol: 40mg
  • Sodium: 90mg
  • Total Carbohydrates: 36g
  • Dietary Fiber: 2g
  • Sugars: 23g
  • Protein: 4g