Fudgy Sourdough Discard Brownies

Highlighted under: Wholesome Sweet Bakes

I absolutely adore making these fudgy sourdough discard brownies! Using sourdough discard not only reduces waste but also adds a unique depth of flavor. The brownies are rich, chocolatey, and incredibly moist, making them a perfect treat for any occasion. It’s a delightful twist on a classic recipe, and I love how easy they are to whip up. Plus, you can customize them by adding nuts or chocolate chips for an extra layer of flavor. Trust me, they’ll be gone in no time!

Maisie Clarke

Created by

Maisie Clarke

Last updated on 2026-01-24T08:58:12.686Z

When I first experimented with using sourdough discard in brownies, I was blown away by the results. The secret lies in finding the perfect balance between the sour flavor and the sweetness of the chocolate. I remember the first batch turning out a bit too tangy, but after tweaking the sugar ratio, it was absolute perfection.

Another key tip is to not overmix the batter, as this can lead to cakey brownies. Gently folding in the ingredients helps maintain that fudgy texture that we all crave. You'll be amazed at how the sourdough adds complexity to such a simple dessert!

Secondary image

Why You Will Love These Brownies

  • Intense chocolate flavor complemented by a hint of sourdough tang
  • Incredibly fudgy texture that’s deeply satisfying
  • A creative way to use sourdough discard and reduce waste

The Role of Sourdough Discard

Using sourdough discard in these brownies serves a dual purpose: it reduces waste while enhancing the overall flavor profile. The natural acidity in sourdough adds a subtle tang that beautifully balances the sweetness of the chocolate. This unique combination not only contributes to a more complex taste but also affects the texture, making the brownies delightfully fudgy and moist. It's an excellent way to get creative in the kitchen while being eco-conscious.

If you're new to baking with sourdough discard, don’t worry! The discard doesn’t need to be bubbly or fresh; any discard will work. However, if it’s been in the fridge for a while and smells off, it’s a good idea to toss it. Always taste your discard before using it to gauge its acidity level, which can vary significantly. This will help you adjust the sugar in your recipe if necessary.

Maximizing Fudginess

Achieving that perfect fudgy texture relies on careful mixing and ingredient proportions. When folding in the dry ingredients, it’s crucial to avoid overmixing. You want to incorporate them just until you see no more flour—this keeps your brownies dense and chewy rather than cake-like. An under-mixed batter is actually better than over-mixed in this case, so don’t be afraid to leave a few streaks of flour visible before adding the sourdough discard.

Another factor contributing to fudginess is the choice of chocolate. Using high-quality cocoa powder and chocolate chips can significantly elevate the overall flavor. If you're feeling adventurous, consider replacing half the all-purpose flour with almond flour for an even richer taste. This swap introduces a nutty undertone that pairs perfectly with the chocolate, enhancing each bite.

Storage and Serving Suggestions

Once your brownies are baked and cooled, they can be stored in an airtight container at room temperature for up to five days. For longer storage, consider wrapping each brownie individually and freezing them. To reheat, simply pop them in the microwave for a few seconds, and enjoy that fresh-out-of-the-oven feeling. If you’re preparing them for a special occasion, consider serving them with a scoop of vanilla ice cream or a drizzle of salted caramel sauce for an extra indulgent treat.

These brownies also lend themselves well to customization. For a fun twist, add a layer of peanut butter or cream cheese frosting on top after they’ve cooled. Alternatively, incorporate different types of chocolate (dark, milk, or even white) based on your preference. I personally enjoy the added crunch of walnuts, but feel free to experiment with your favorite nuts or even a sprinkle of sea salt on top before baking for that extra flavor kick!

Ingredients

Gather these ingredients to make your delicious brownies:

Brownie Ingredients

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

Make sure to have everything prepared before you start mixing.

Instructions

Follow these steps to create your fudgy brownies:

Preheat the Oven

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

Melt the Butter

In a medium saucepan, melt the butter over low heat. Remove from heat and stir in the sugar until well combined.

Add Eggs and Vanilla

Allow the butter mixture to cool slightly, then add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.

Mix in Dry Ingredients

Sift in the cocoa powder, flour, and salt, and fold gently using a spatula. Avoid overmixing to keep the brownies fudgy.

Incorporate Sourdough

Gently fold in the sourdough discard until just combined. If using, add the chocolate chips and nuts at this stage.

Bake the Brownies

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

Cool and Serve

Allow the brownies to cool in the pan before cutting them into squares and enjoying!

Enjoy your delicious brownies with a glass of milk or a scoop of ice cream!

Pro Tips

  • To enhance the chocolate flavor, consider using a mix of dark chocolate and milk chocolate chips. Experimenting with different types of nuts can add a unique texture that complements the brownies well.

Common Troubleshooting Tips

If your brownies turn out too cake-like, it’s likely due to overmixing the batter. This can incorporate too much air, resulting in a lighter texture. Ensure you gently fold the ingredients together rather than vigorously stirring, particularly after adding the dry ingredients. If you happen to overbake them, they might also lose that gooey texture; keep an eye on them in the oven, and remember that they continue to cook slightly after removing them.

Another common issue is the brownies sticking to the pan. If you opted for greasing instead of parchment paper, be sure to apply a generous amount of baking spray or butter, paying special attention to the corners. When using parchment paper, allow some overhang to make lifting the brownies out easier for cutting into neat squares.

Variations to Try

For an exciting variation on these fudgy brownies, consider adding a swirl of peanut butter or a layer of cream cheese on top. Simply drop spoonfuls of the filling onto the batter before baking and use a knife to create a marble effect. This not only enhances the flavor but also adds an attractive visual element. You can also swap out the chocolate chips for butterscotch or white chocolate chips for a different flavor profile.

If you're a fan of spice, add a pinch of cinnamon or espresso powder to deepen the chocolate flavor. This small addition can make a significant difference, as it complements the natural flavors without overpowering them. Feel free to experiment; you might just create your new favorite brownie recipe!

Questions About Recipes

→ Can I use other types of sugar?

Yes, you can substitute brown sugar for part of the granulated sugar for a deeper flavor.

→ What should I do if I don't have sourdough discard?

You can replace the sourdough discard with an equal amount of yogurt or buttermilk for similar texture and moisture.

→ How can I store the brownies?

Keep the brownies in an airtight container at room temperature for up to 3 days, or refrigerate for up to a week.

→ Can I freeze these brownies?

Yes, you can freeze the brownies! Wrap them tightly in plastic wrap, then place them in a freezer bag for up to 2 months.

Fudgy Sourdough Discard Brownies

I absolutely adore making these fudgy sourdough discard brownies! Using sourdough discard not only reduces waste but also adds a unique depth of flavor. The brownies are rich, chocolatey, and incredibly moist, making them a perfect treat for any occasion. It’s a delightful twist on a classic recipe, and I love how easy they are to whip up. Plus, you can customize them by adding nuts or chocolate chips for an extra layer of flavor. Trust me, they’ll be gone in no time!

Prep Time20 minutes
Cooking Duration25 minutes
Overall Time45 minutes

Created by: Maisie Clarke

Recipe Type: Wholesome Sweet Bakes

Skill Level: Intermediate

Final Quantity: 16 brownies

What You'll Need

Brownie Ingredients

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

How-To Steps

Step 01

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

Step 02

In a medium saucepan, melt the butter over low heat. Remove from heat and stir in the sugar until well combined.

Step 03

Allow the butter mixture to cool slightly, then add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.

Step 04

Sift in the cocoa powder, flour, and salt, and fold gently using a spatula. Avoid overmixing to keep the brownies fudgy.

Step 05

Gently fold in the sourdough discard until just combined. If using, add the chocolate chips and nuts at this stage.

Step 06

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

Step 07

Allow the brownies to cool in the pan before cutting them into squares and enjoying!

Extra Tips

  1. To enhance the chocolate flavor, consider using a mix of dark chocolate and milk chocolate chips. Experimenting with different types of nuts can add a unique texture that complements the brownies well.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g