Crispy Sourdough Discard Brownies

Name: Crispy Sourdough Discard Brownies
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 16 brownies
Ingredients: 1 cup sourdough discard; 1 cup granulated sugar; 1/2 cup unsalted butter, melted; 2 large eggs; 1 teaspoon vanilla extract; 1/2 cup all-purpose flour; 1/3 cup unsweetened cocoa powder; 1/4 teaspoon baking powder; 1/4 teaspoon salt; 1/2 cup chocolate chips

Highlighted under: Bakes & Treats

I absolutely love experimenting in the kitchen, and my latest adventure led me to create these crispy sourdough discard brownies. Combining the tanginess of sourdough with rich chocolate, these brownies offer an unforgettable flavor. I used leftover sourdough starter, which not only minimizes waste but also adds a unique depth to the sweetness of the chocolate. Trust me, these brownies are not just delicious; they are an excellent way to use what you already have while treating yourself to something special.

Created by

Madeline Archer

Last updated on 2026-01-24T11:10:21.328Z

When I first thought about using sourdough discard in brownies, I was skeptical but excited. After several tests, I found that the slight tanginess complements the sweetness beautifully, making each bite interesting and rich. I also discovered that chilling the batter before baking really enhances the texture, turning out crispy on the edges and fudgy in the center.

One of my favorite aspects of these brownies is how easily they come together. With just a few simple ingredients, they’re perfect for any occasion, whether you have leftover starter or just a craving for something sweet. I recommend sprinkling some sea salt on top before baking for an extra flavor punch.

Why You'll Love These Brownies
A unique twist on classic brownies with sourdough discard
A delightful balance of crispy edges and fudgy centers
Perfect for reusing leftovers, contributing to less kitchen waste

Understanding Sourdough Discard

Using sourdough discard in brownies not only adds a distinctive tang but also improves texture. The fermentation process of sourdough introduces beneficial bacteria, which can enhance the flavor profile of baked goods. This slight acidity beautifully complements the sweet, rich chocolate. If you're new to working with sourdough, don’t worry! Even a small amount of discard can transform a typical brownie into something extraordinary.

It's important to note that the freshness of your sourdough discard can impact the flavor. If your starter has been fed recently, it will be milder, while an older discard will add a stronger sour note. Experimenting with different ages gives you a chance to customize the tanginess to your liking. Just remember to balance the sugar to ensure the final sweetness remains satisfying.

Achieving the Perfect Texture

For brownies with a crispy edge and fudgy center, temperature control during baking is key. Ensure your oven is preheated to 350°F (175°C) for even cooking. During the baking process, the top should become set and glossy, while the edges should take on a golden hue. Be careful not to overbake; the ideal toothpick test result is a few moist crumbs, indicating a wonderfully gooey texture inside.

Chilling the batter before baking is a crucial step for achieving that perfect texture. It allows the flavors to meld and the batter to thicken, resulting in a more chewy and structured brownie. Skipping this chill time could lead to a more cake-like brownie rather than the fudgy experience you’re aiming for, so don’t rush this step!

Ingredients

Gather the following ingredients to make your crispy sourdough discard brownies:

Brownie Ingredients

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

Once you have these ingredients ready, you're all set to start baking!

Instructions

Follow these steps to create your delicious brownies:

Preheat the Oven

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

Combine Ingredients

In a large bowl, mix the sourdough discard, sugar, melted butter, eggs, and vanilla until smooth.

Add Dry Ingredients

Sift in the flour, cocoa powder, baking powder, and salt. Stir until just combined. Fold in the chocolate chips.

Chill the Batter

Refrigerate the batter for about 15 minutes to enhance the texture.

Bake

Pour the mixture into the prepared baking pan and spread evenly. Bake for 25 minutes or until a toothpick comes out with a few moist crumbs.

Cool and Slice

Allow the brownies to cool in the pan before slicing into squares. Enjoy!

Serve your brownies warm for the best texture and flavor.

Pro Tips

For an extra burst of flavor, try adding some chopped nuts or a hint of espresso powder into the mixture.

Storage and Make-Ahead Tips

These brownies can be made ahead of time, making them a perfect treat for gatherings or a busy week ahead. After slicing, store them in an airtight container at room temperature for up to 3 days. For longer storage, consider freezing individual brownies. Wrap each piece tightly in plastic wrap and then place in a freezer-safe bag; they can last up to 3 months.

To enjoy frozen brownies, simply let them thaw at room temperature for about an hour or pop them in the microwave for 10-15 seconds, which will restore their fudgy texture. This is a great way to keep your brownies at their best for whenever a chocolate craving strikes!

Delicious Variations

If you're looking to add a twist to your brownies, consider incorporating nuts like walnuts or pecans for an added crunch. You could also mix in dried fruits like cherries or cranberries to introduce a burst of sweetness and texture. Additionally, experimenting with different types of chocolate, such as dark or white chocolate chips, can create a unique flavor profile that fits your preferences.

For a more indulgent treat, try swirling in a layer of peanut butter or cream cheese before baking. This will give your brownies a lovely marbled effect and infuse each bite with an extra layer of richness. Just remember to adjust the sweetness slightly, depending on the added ingredients.

Questions About Recipes

→ Can I use a different type of flour?

Yes, you can substitute with whole wheat flour or gluten-free flour, but it may alter the texture slightly.

→ What can I use instead of sourdough discard?

You can use applesauce or plain yogurt for a similar moisture content, but it won't have the tangy flavor.

→ How do I store these brownies?

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

→ Can I freeze these brownies?

Absolutely! Wrap them tightly in plastic wrap and store in a freezer-safe container for up to 3 months.