Fudgy Sourdough Discard Brownies

Name: Fudgy Sourdough Discard Brownies
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 12 servings
Ingredients: 1 cup unsalted butter, melted; 2 cups granulated sugar; 1 cup sourdough discard; 4 large eggs; 2 teaspoons vanilla extract; 1 cup all-purpose flour; 1 cup unsweetened cocoa powder; 1/2 teaspoon salt; 1 cup chocolate chips (optional)

Highlighted under: Simple Kitchen

When I first experimented with sourdough discard, I never thought it could lead to such a rich and delightful dessert! These fudgy brownies are incredibly simple to make, with the sourdough adding a depth of flavor that elevates them to a whole new level. As I combined the ingredients, I marveled at how the tangy notes of the sourdough balanced perfectly with the sweetness of the chocolate. This recipe is not just about avoiding waste; it's about creating something truly indulgent that I can enjoy any day of the week.

Created by

Gemma Hollis

Last updated on 2026-01-24T12:35:34.845Z

As I took my first bite of these fudgy brownies, the richness of the chocolate mixed with the subtle tang of the sourdough made me realize how special this recipe really is. Each element plays a role, from the luscious melted chocolate to the eggs that give these brownies their gooey texture. I suggest using good quality chocolate; it truly makes a difference.

I also found that letting the brownies cool completely before cutting allows for cleaner edges and a better presentation. When I finally served them at a gathering, the pan was empty within minutes, proving just how irresistible they are!

        Why You'll Love This Recipe
        Rich chocolate flavor paired with the unique tang of sourdough discard
Fudgy texture that satisfies your chocolate cravings
Eco-friendly dessert that reduces kitchen waste

      

The Role of Sourdough Discard

In this brownie recipe, sourdough discard not only contributes to reducing kitchen waste but also enhances the flavor profile. The natural tang of the sourdough interacts beautifully with the richness of the chocolate, creating a harmonious balance. This slight acidity complements the sweetness of the sugar and chocolate, making every bite taste deeper and more complex. You might be surprised by how this unexpected ingredient elevates a classic dessert into something extraordinary.

Another benefit of using sourdough discard is its moisture content, which plays a crucial role in achieving that signature fudgy texture. The discard helps to create a chewy brownie that isn't dry or crumbly. If you're concerned about the moisture levels, consider the consistency of your sourdough discard. A thicker discard will yield denser brownies, while a thinner one may lead to a slightly lighter texture.

Perfecting Your Brownie Technique

Achieving the perfect brownie requires attention to detail during mixing and baking. When combining your wet and dry ingredients, mix until just combined; over-mixing can introduce too much air, which will lead to cakey brownies instead of fudgy ones. Use a rubber spatula to fold ingredients gently, and if you're including chocolate chips, fold them in last to ensure they are evenly distributed without over-mixing the batter.

Baking time is also critical for achieving fudginess. Your brownies are done when a toothpick inserted into the center comes out with a few moist crumbs. If the toothpick is clean, they may be overbaked. Remember, the brownies will continue to cook slightly as they cool. For the best results, check them at the lower end of the baking range, around 25 minutes, and give them an additional 2-5 minutes if needed.

Ingredients

Gather these ingredients to create your delicious brownies:

Brownie Ingredients

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

Make sure all your ingredients are at room temperature for optimal results.

Instructions

Follow these simple steps to bake 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.

Mix Wet Ingredients

In a large bowl, mix the melted butter and granulated sugar until well combined. Add the sourdough discard, eggs, and vanilla extract, mixing until smooth.

Combine Dry Ingredients

In another bowl, whisk together the flour, cocoa powder, and salt. Gradually add the dry mix to the wet ingredients, stirring until just combined. If desired, fold in chocolate chips.

Bake

Pour the brownie batter into the prepared pan and spread it evenly. Bake for 25-30 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 30 minutes before cutting into squares. Enjoy!

Store any leftovers in an airtight container for up to a week.

Pro Tips

For an extra touch, sprinkle some sea salt on top of the brownies before baking for a delicious contrast of flavors.

Storage and Make-Ahead Tips

These fudgy sourdough discard brownies can be stored at room temperature in an airtight container for up to 3 days. To keep them fresh, consider lining the container with parchment paper to prevent sticking. If you want to prolong their life, you can freeze them by first allowing them to cool completely, then wrapping each brownie individually in plastic wrap before placing them in a freezer-safe bag. They will stay fresh for up to 3 months in the freezer.

For an ideal reheating method, simply take the frozen brownies out and allow them to thaw at room temperature for 1-2 hours. If you prefer a warm treat, pop them in the microwave for 10-15 seconds. This quick method mellows the flavors and revives the fudginess, making for an even more indulgent dessert experience.

Creative Variations

This brownie recipe is versatile, and you can easily play with flavors to make it your own. For a richer chocolate experience, consider adding espresso powder to the dry ingredients, which will enhance the chocolate flavor without making the brownies taste like coffee. You can also experiment with different types of chocolate chips—dark, milk, or even white chocolate—depending on your preference.

If you're looking to add some crunch, chopped nuts like walnuts or pecans make excellent additions. Simply fold in 1 cup of your favorite nuts when combining the dry and wet ingredients. This adds not only texture but also a nutty flavor that complements the chocolate and tang of the sourdough beautifully.

Questions About Recipes

→ Can I use a different type of flour?

Yes, you can substitute up to half the all-purpose flour with whole wheat flour for a healthier option.

→ How should I store the brownies?

Store the brownies in an airtight container at room temperature for up to a week or in the refrigerator for longer freshness.

→ Can I freeze these brownies?

Absolutely! Wrap the brownies tightly in plastic wrap and freeze for up to three months. Thaw in the fridge before serving.

→ What can I do with leftover sourdough discard?

In addition to these brownies, you can use sourdough discard in pancakes, waffles, or even pizza dough!