Nutty Chocolate Sourdough Brownies

Name: Nutty Chocolate Sourdough Brownies
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Yield: 9 brownies
Ingredients: 1/2 cup unsalted butter, melted; 1 cup granulated sugar; 1/2 cup packed brown sugar; 2 large eggs; 1 teaspoon vanilla extract; 1 cup all-purpose flour; 1/2 cup unsweetened cocoa powder; 1/2 teaspoon baking powder; 1/4 teaspoon salt; 1 cup sourdough starter; 1 cup chopped walnuts; 1/2 cup chocolate chips (optional)

Highlighted under: Treats & Confections

I can't resist a good brownie, and these Nutty Chocolate Sourdough Brownies have quickly become a favorite in my kitchen. The rich chocolate flavor pairs perfectly with the nuttiness from walnuts, and the addition of sourdough starter adds a delightful tang and depth that elevates the typical brownie experience. With a texture that's both fudgy and slightly airy, these brownies are sure to impress anyone who takes a bite. They're perfect for sharing at gatherings or enjoying as a late-night treat with a glass of milk.

Created by

Emma

Last updated on 2026-01-27T09:13:27.040Z

When I first decided to experiment with sourdough in my brownies, I was genuinely surprised at how much it enhanced the flavor. The tangy notes from the sourdough starter combined beautifully with the sweetness of the chocolate without overpowering it. I remember the first batch I made was devoured within minutes, and my friends asked for the recipe!

One tip I'd love to share is to let the brownies cool completely before cutting them. This allows the texture to set properly, resulting in clean, gorgeous squares. If you're feeling adventurous, try swapping the walnuts for your favorite nuts or even using chocolate chunks for extra richness!

Why You'll Love This Recipe
Rich chocolate flavor paired with nutty walnut crunch
Sourdough adds a unique depth and tang
Fudgy texture that satisfies every chocolate craving

Understanding the Role of Sourdough

The sourdough starter in these Nutty Chocolate Sourdough Brownies does more than just add a slight tang; it enhances the overall texture and moisture of the brownies. The natural fermentation process not only helps create a richer flavor profile but also contributes to a fudgy yet airy consistency. I recommend using a mature starter that has been fed within the last few days for the best result, as it will have a better balance of acidity and sweetness.

If you're new to sourdough baking or don't have starter on hand, this recipe can still work! You can replace the sourdough starter with an equal amount of Greek yogurt or buttermilk mixed with a teaspoon of baking soda. This substitution will mimic the tanginess while still keeping the brownies moist and delicious.

Tips for Perfectly Baked Brownies

Baking brownies requires a careful eye; overbaking can lead to dry and crumbly treats. I recommend checking for doneness at around the 20-minute mark. Insert a toothpick into the center—if it comes out with a few moist crumbs, you’re golden! The edges should look firm and slightly puffed, while the center remains soft. If you prefer fudgier brownies, don’t hesitate to take them out a minute or two earlier.

Allowing the brownies to cool in the pan is crucial for achieving perfect cuts. The residual heat helps set the brownies, making them easier to slice into neat squares. If you're in a hurry, place the pan in the fridge after letting them cool at room temperature for about 10 minutes; this speeds up the cooling process without sacrificing texture.

Ingredients

Gather these simple ingredients to make your Nutty Chocolate Sourdough Brownies perfect:

Ingredients

1/2 cup unsalted butter, melted
1 cup granulated sugar
1/2 cup packed brown sugar
2 large eggs
1 teaspoon vanilla extract
1 cup all-purpose flour
1/2 cup unsweetened cocoa powder
1/2 teaspoon baking powder
1/4 teaspoon salt
1 cup sourdough starter
1 cup chopped walnuts
1/2 cup chocolate chips (optional)

Mix these ingredients in the specified order to achieve the best results.

Instructions

Follow these steps to create your delicious brownies:

Preheat the Oven

Preheat your oven to 350°F (175°C) and line an 8x8 inch baking pan with parchment paper.

Mix Wet Ingredients

In a large mixing bowl, combine the melted butter, granulated sugar, and brown sugar. Whisk in the eggs and vanilla extract until smooth.

Combine Dry Ingredients

In a separate bowl, whisk together the flour, cocoa powder, baking powder, and salt.

Combine Mixtures

Gradually add the dry ingredients into the wet mixture, stirring until just combined. Fold in the sourdough starter until fully incorporated.

Add Walnuts

Gently fold in the chopped walnuts and chocolate chips if using. Be careful not to overmix.

Bake

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

Cool and Serve

Allow the brownies to cool completely in the pan before lifting them out and cutting into squares. Enjoy!

Your brownies are now ready to be enjoyed!

Pro Tips

For extra flavor, consider adding a pinch of espresso powder for a richer chocolate taste, or try sea salt on top after baking for a sweet and salty combination.

Serving Suggestions

These brownies are spectacular on their own, but you can elevate them further by serving them warm with a scoop of vanilla ice cream. Drizzling some caramel sauce over the top will add an indulgent touch that balances the chocolate richness beautifully. For a crunch factor, consider sprinkling some sea salt or crushed nuts on top before serving.

If you're feeling adventurous, experiment with flavor variations. You can add a teaspoon of espresso powder to the batter to enhance the chocolate flavor, or swap out walnuts for pecans or hazelnuts for a different nutty twist. This flexibility ensures that you can enjoy different flavor profiles with minimal extra effort.

Storage and Freezing Tips

To store brownies, let them cool completely, then place them in an airtight container at room temperature for up to 5 days. For longer storage, you can freeze them! Simply wrap each brownie individually in plastic wrap, then place them in a freezer-safe bag. They can last in the freezer for up to three months. When you're ready to enjoy them, let them thaw at room temperature, or pop them in the microwave for a few seconds for that fresh-from-the-oven warmth.

If you notice that the surface of your brownies has dried out after a day or two, you can revive them by covering them with a damp paper towel and reheating them in the microwave for 10-15 seconds. This method will help to restore moisture and softness, making them taste freshly baked.

Questions About Recipes

→ Can I use a gluten-free flour?

Yes, you can substitute regular flour with gluten-free flour; just ensure it's a 1:1 blend for best results.

→ How can I store these brownies?

Store them in an airtight container at room temperature for up to 3 days or in the fridge for up to a week.

→ Can I freeze the brownies?

Absolutely! Wrap them tightly in plastic wrap and freeze for up to 3 months. Thaw at room temperature before serving.

→ Is it necessary to use sourdough starter?

While the sourdough adds a unique flavor, you can substitute it with an equal amount of yogurt or buttermilk for a similar effect.