Sourdough Discard Brownies One Bowl

Highlighted under: Sweet Oven Stories

I love experimenting with recipes that transform leftovers into something delicious, and these Sourdough Discard Brownies are my perfect solution. With only one bowl required, I can whip up a batch with minimal cleanup! The rich chocolate combined with the slight tang of sourdough creates a unique flavor that can easily become a favorite in my household. Plus, it’s a wonderful way to make the most out of sourdough starter, ensuring nothing goes to waste. I can't wait for you to try these brownies!

Lydia Barrett

Created by

Lydia Barrett

Last updated on 2026-01-22T08:19:10.230Z

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When I first discovered that I could use my sourdough discard in baked goods, I was thrilled. These brownies are the perfect example of how to incorporate a little leftover starter into something indulgent and satisfying. As I perfected the recipe, I found that adjusting the quantity of sugar allowed the deep chocolate flavor to shine even more without overpowering the natural taste of the sourdough.

One of the secrets to getting these brownies just right is mixing the wet ingredients first. This ensures that the cocoa powder and flour blend seamlessly, resulting in a fudgy texture that’s hard to resist. I recommend letting them cool completely before slicing—this way, they hold their shape and have a wonderfully chewy bite!

Why You'll Love These Brownies

  • Rich chocolate flavor complemented by a hint of sourdough tang
  • One-bowl preparation for easy cleanup
  • A delicious way to use sourdough discard and reduce waste
  • Fudgy texture that's perfect for chocolate lovers

Understanding Sourdough Discard

Sourdough discard is the portion of starter that you typically remove before feeding your sourdough. Utilizing this tangy fermentation brings a unique depth to your brownies that you won’t find in traditional recipes. The acidity of the sourdough balances the sweetness of the sugar, creating a more complex flavor profile. If you're aiming for a stronger sourdough taste, consider increasing the amount of discard slightly, but be cautious not to disrupt the balance of wet to dry ingredients.

Another benefit of using sourdough discard is its nutritional profile, which includes beneficial bacteria and yeasts. This not only contributes to the unique taste but also adds some health benefits to your brownies. Just remember that if your discard has a particularly strong or off-putting smell, it may be past its prime, and it's best to skip using it for this recipe.

Tips for Achieving Perfect Texture

For fudgy brownies, ensure you don’t overmix once the dry ingredients have been added. Overmixing can incorporate too much air, resulting in a cake-like texture rather than the desired dense fudginess. Stop mixing as soon as you see no dry flour; it’s okay if a few streaks remain. Additionally, using melted butter rather than softened can enhance the brownie’s dense texture, making them fudgier.

Baking times may vary depending on the exact temperature of your oven and the type of baking pan used. If you’re using a darker pan, the brownies may cook faster due to increased heat conduction. Start checking them a few minutes early; you’re looking for slightly firm edges with a soft center when you pull them out of the oven, as they will continue to set while cooling.

Storing and Serving Suggestions

These brownies can be stored at room temperature in an airtight container for up to three days, or in the refrigerator for up to a week. For longer storage, consider freezing them. Wrap individual pieces tightly in plastic wrap, then place them in a freezer bag, and they can last up to three months. To enjoy, simply thaw them at room temperature or warm them slightly in the microwave for a few seconds to revive their fudginess.

For an elevated serving experience, try pairing these brownies with a scoop of vanilla ice cream or a drizzle of caramel sauce. A sprinkle of sea salt on top just before serving can also enhance the chocolate flavors, making for a delightful contrast with the brownies' sweetness. Additionally, feel free to mix in nuts or different types of chocolate chips for added texture and flavor variation.

Ingredients

Gather the following ingredients to make these decadent brownies:

Brownie Ingredients

  • 1 cup sourdough discard
  • 1 cup granulated sugar
  • 1/2 cup unsalted butter, melted
  • 1 teaspoon vanilla extract
  • 2 large eggs
  • 1/2 cup all-purpose flour
  • 1/3 cup unsweetened cocoa powder
  • 1/4 teaspoon salt
  • 1/2 cup chocolate chips (optional)

With these ingredients ready, you're just a few steps away from enjoying your brownies!

Instructions

Follow these simple steps to bake your Sourdough Discard Brownies:

Preheat the oven

Preheat your oven to 350°F (175°C) and grease or line an 8x8 inch baking pan with parchment paper. This ensures easy removal later.

Mix wet ingredients

In a large mixing bowl, combine the sourdough discard, melted butter, sugar, vanilla extract, and eggs. Stir until the mixture is smooth.

Add dry ingredients

Sift in the flour, cocoa powder, and salt. Gently fold the dry ingredients into the wet until just combined. Be careful not to overmix.

Incorporate chocolate chips

If using chocolate chips, fold them into the batter now for an extra chocolatey touch.

Bake brownies

Pour the batter into the prepared pan, spreading it evenly. Bake in the preheated oven for about 25 minutes or until a toothpick inserted into the center comes out mostly clean.

Cool and serve

Allow the brownies to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing into squares.

Enjoy your delicious brownies as a treat or share them with friends!

Pro Tips

  • For an extra touch, sprinkle sea salt on top just before baking to enhance the flavor. Using high-quality cocoa powder will also intensify the chocolate flavor in your brownies.

Ingredient Substitutions

If you’re looking to make these brownies dairy-free, substitute the unsalted butter with a plant-based alternative, such as coconut oil or a vegan butter stick. Both options will maintain the moistness and richness of the brownies. Just remember to melt the fat before adding it to the rest of the components so that it incorporates well.

For a gluten-free version, you can swap the all-purpose flour with a 1:1 gluten-free baking flour. This type of flour blend usually contains xanthan gum, which will help bind the ingredients together, ensuring you maintain that satisfying brownie texture without gluten.

Troubleshooting Common Issues

If your brownies turn out too dry or crumbly, it often means they were overbaked. Keep an eye on the baking time and start checking for doneness a few minutes early. The brownies should have a slight jiggle in the center when you take them out of the oven, as they will continue to firm up during cooling.

Alternatively, if your brownies come out too gooey, it might be a sign of underbaking. Ensure you use an appropriate baking pan size, as a too-small pan can lead to thicker brownies that take longer to set. If you suspect they’re undercooked, you can return them to the oven for an extra 5 minutes, keeping an eye on them closely, of course!

Questions About Recipes

→ Can I use a different type of flour?

Yes, you can substitute all-purpose flour with gluten-free flour or whole wheat flour, although it may slightly change the texture.

→ How should I store the brownies?

Store the brownies in an airtight container at room temperature for up to 5 days, or refrigerate for longer preservation.

→ Can I freeze the brownies?

Absolutely! Cut them into squares, wrap individually in plastic wrap, and freeze for up to 3 months.

→ What can I substitute for the eggs?

You can use flaxseed meal mixed with water (1 tablespoon of flaxseed meal + 2.5 tablespoons of water = 1 egg) as a vegan egg substitute.

Sourdough Discard Brownies One Bowl

I love experimenting with recipes that transform leftovers into something delicious, and these Sourdough Discard Brownies are my perfect solution. With only one bowl required, I can whip up a batch with minimal cleanup! The rich chocolate combined with the slight tang of sourdough creates a unique flavor that can easily become a favorite in my household. Plus, it’s a wonderful way to make the most out of sourdough starter, ensuring nothing goes to waste. I can't wait for you to try these brownies!

Prep Time15 minutes
Cooking Duration25 minutes
Overall Time40 minutes

Created by: Lydia Barrett

Recipe Type: Sweet Oven Stories

Skill Level: Beginner

Final Quantity: 16 brownies

What You'll Need

Brownie Ingredients

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

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and grease or line an 8x8 inch baking pan with parchment paper. This ensures easy removal later.

Step 02

In a large mixing bowl, combine the sourdough discard, melted butter, sugar, vanilla extract, and eggs. Stir until the mixture is smooth.

Step 03

Sift in the flour, cocoa powder, and salt. Gently fold the dry ingredients into the wet until just combined. Be careful not to overmix.

Step 04

If using chocolate chips, fold them into the batter now for an extra chocolatey touch.

Step 05

Pour the batter into the prepared pan, spreading it evenly. Bake in the preheated oven for about 25 minutes or until a toothpick inserted into the center comes out mostly clean.

Step 06

Allow the brownies to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing into squares.

Extra Tips

  1. For an extra touch, sprinkle sea salt on top just before baking to enhance the flavor. Using high-quality cocoa powder will also intensify the chocolate flavor in your brownies.

Nutritional Breakdown (Per Serving)

  • Calories: 200 kcal
  • Total Fat: 9g
  • Saturated Fat: 5g
  • Cholesterol: 40mg
  • Sodium: 95mg
  • Total Carbohydrates: 27g
  • Dietary Fiber: 1g
  • Sugars: 18g
  • Protein: 3g