Chewy Sourdough Discard Brownies

Highlighted under: Classic Cakes & Desserts

I absolutely love experimenting with my sourdough discard, and these chewy brownies have become a favorite in my kitchen. When I first adapted this recipe, I was amazed at how the sourdough adds a depth of flavor that elevates the richness of traditional brownies. The tangy notes balance perfectly with the sweetness, creating a unique treat that leaves everyone asking for more. Plus, they’re surprisingly easy to make, which is perfect for those busy weeknights or last-minute gatherings.

Charity Bowen

Created by

Charity Bowen

Last updated on 2026-01-24T10:28:12.472Z

When I first tried making brownies with sourdough discard, I didn’t expect them to turn out so delicious. The secret is in the balance between the cocoa and sourdough, which results in a chewy, moist texture that’s rich without being overly sweet. After a few attempts, I found the right proportion that maximizes that deep chocolate flavor.

I also discovered that adding a hint of espresso powder enhances the chocolate notes even further. It’s an easy trick that takes these brownies to the next level, making them a showstopper for any gathering. Trust me; you won’t be disappointed!

Why You Will Love These Brownies

  • Intense chocolate flavor with a hint of sourdough
  • Perfectly chewy texture that satisfies any sweet tooth
  • A creative way to use your sourdough discard

The Science Behind Sourdough Discard

Sourdough discard not only contributes a unique flavor profile but also enhances the texture of these brownies. The acidity in the sourdough helps to create that perfectly chewy consistency, as it interacts with the flour to produce gluten. Additionally, the natural yeast present in the sourdough can also lend a slight depth, enriching the chocolate flavor without overpowering it.

Incorporating sourdough discard into baked goods is not just a creative use of leftovers; it can also be a healthier option. The natural fermentation process of sourdough helps in breaking down some of the gluten, which may make these brownies slightly easier to digest for those with mild sensitivities. You can genuinely feel good about indulging in these treats.

Perfecting the Texture

Achieving the ideal chewy texture requires precise baking time. Start by checking your brownies after 25 minutes; if the edges are set and the center is still slightly soft, they’re done. Remember that they will continue to firm up as they cool, so it’s better to underbake slightly. This method prevents dry brownies and retains that gooey quality that makes them irresistible.

Another technique to enhance chewiness is to mix the batter gently after adding the dry ingredients. Overmixing can incorporate too much air, leading to a lighter and cakier texture. Aim for just combined, where some flour streaks are still visible. This way, you ensure the rich density you desire in these brownies.

Serving and Storing Your Brownies

Once your brownies have cooled, consider the best way to serve them. You can enjoy them as is, or for an extra indulgence, serve with a scoop of vanilla ice cream or a drizzle of chocolate sauce. Fresh berries or a sprinkle of sea salt also make excellent accompaniments, enhancing the chocolate flavor beautifully.

If you’re planning to make these brownies ahead of time, they can be stored at room temperature in an airtight container for up to five days. Alternatively, freeze them for up to three months. Cut them into squares before freezing, and layer parchment paper between them to prevent sticking. Simply thaw and reheat in the microwave for a quick indulgence!

Ingredients

Gather these simple ingredients for delicious brownies:

For the Brownies

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

Mix all these ingredients for a rich batter!

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Instructions

Ready to bake? Follow these steps:

Preheat the Oven

Preheat your oven to 350°F (175°C). Grease and line a 9x13 inch baking pan with parchment paper.

Mix Wet Ingredients

In a large bowl, whisk together the melted butter and sugar until combined. Stir in the sourdough discard and vanilla extract, mixing until smooth.

Add Eggs

Add the eggs one at a time, whisking well after each addition until the mixture is light and fluffy.

Combine Dry Ingredients

In a separate bowl, sift together the flour, cocoa powder, salt, and espresso powder. Gradually fold the dry ingredients into the wet ingredients until just combined.

Add Chocolate Chips

If desired, fold in the chocolate chips for an extra chocolaty experience.

Bake

Pour the batter into the prepared baking pan, smoothing the top. Bake for 25 minutes or until a toothpick inserted comes out with a few moist crumbs.

Cool and Serve

Let the brownies cool in the pan for at least 10 minutes before transferring to a wire rack. Cut into squares and enjoy!

These brownies are perfect for a quick dessert or a special treat!

Pro Tips

  • For an extra layer of flavor, try adding nuts or swirl in some peanut butter before baking.

Ingredient Substitutions

While the classic combination of butter and granulated sugar creates the best results, you can make some substitutions if necessary. For a dairy-free option, substitute the unsalted butter with coconut oil or a vegan butter alternative. The key is to maintain a similar fat content for the desired texture.

If you're out of granulated sugar, brown sugar can be a great substitute for an even richer taste. Keep in mind that brown sugar will add some moisture, resulting in an even chewier brownie. Just be cautious about adjusting the baking time slightly, as they might retain moisture longer.

Troubleshooting Common Issues

A common issue when making brownies is ending up with a dry texture. If this happens, it could be because of overbaking. To prevent this, always start checking for doneness a couple of minutes before the timer goes off. Look for slight puffing around the edges and a soft center. Again, they will set as they cool.

If your brownies spread too much while baking, it could be due to warm butter directly added to the batter. For a more consistent texture, allow the melted butter to cool slightly before combining it with the sugar. This minor adjustment can help achieve that perfect brownie structure.

Questions About Recipes

→ Can I use a different type of flour?

Yes, you can use whole wheat flour or gluten-free flour, but the texture may vary.

→ How long do these brownies last?

They should stay fresh in an airtight container at room temperature for about 3-4 days.

→ Can I freeze the brownies?

Absolutely! You can freeze them for up to 2 months. Just make sure to wrap them tightly.

→ What can I substitute for sourdough discard?

You can use plain yogurt or applesauce if you don't have sourdough discard on hand, but the sourdough gives a unique flavor.

Chewy Sourdough Discard Brownies

I absolutely love experimenting with my sourdough discard, and these chewy brownies have become a favorite in my kitchen. When I first adapted this recipe, I was amazed at how the sourdough adds a depth of flavor that elevates the richness of traditional brownies. The tangy notes balance perfectly with the sweetness, creating a unique treat that leaves everyone asking for more. Plus, they’re surprisingly easy to make, which is perfect for those busy weeknights or last-minute gatherings.

Prep Time15 minutes
Cooking Duration25 minutes
Overall Time40 minutes

Created by: Charity Bowen

Recipe Type: Classic Cakes & Desserts

Skill Level: Beginner

Final Quantity: 16 brownies

What You'll Need

For the Brownies

  1. 1 cup unsalted butter, melted
  2. 2 cups granulated sugar
  3. 1 cup sourdough discard
  4. 1 teaspoon vanilla extract
  5. 4 large eggs
  6. 1 cup all-purpose flour
  7. 1 cup unsweetened cocoa powder
  8. 1/2 teaspoon salt
  9. 1 teaspoon espresso powder (optional)
  10. 1 cup chocolate chips (optional)

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Grease and line a 9x13 inch baking pan with parchment paper.

Step 02

In a large bowl, whisk together the melted butter and sugar until combined. Stir in the sourdough discard and vanilla extract, mixing until smooth.

Step 03

Add the eggs one at a time, whisking well after each addition until the mixture is light and fluffy.

Step 04

In a separate bowl, sift together the flour, cocoa powder, salt, and espresso powder. Gradually fold the dry ingredients into the wet ingredients until just combined.

Step 05

If desired, fold in the chocolate chips for an extra chocolaty experience.

Step 06

Pour the batter into the prepared baking pan, smoothing the top. Bake for 25 minutes or until a toothpick inserted comes out with a few moist crumbs.

Step 07

Let the brownies cool in the pan for at least 10 minutes before transferring to a wire rack. Cut into squares and enjoy!

Extra Tips

  1. For an extra layer of flavor, try adding nuts or swirl in some peanut butter before baking.

Nutritional Breakdown (Per Serving)

  • Calories: 280 kcal
  • Total Fat: 16g
  • Saturated Fat: 10g
  • Cholesterol: 95mg
  • Sodium: 50mg
  • Total Carbohydrates: 30g
  • Dietary Fiber: 2g
  • Sugars: 20g
  • Protein: 4g