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There’s nothing quite like a pan of brownies cooling on the counter: the scent of chocolate filling the kitchen, promising something deeply comforting and indulgent. These sourdough brownies take that classic treat and give it a rustic twist, using sourdough discard to create brownies that are fudgy, rich, and beautifully balanced.
The sourdough doesn’t make these brownies taste tangy. Instead, it enhances the chocolate, adds moisture, and gives the texture that melt-in-your-mouth quality every brownie should have. If you keep a sourdough starter on your counter, this is one recipe you’ll come back to again and again.
My sourdough was flat and business was slow
When I first started homesteading, my sourdough was dense and flat, my garden struggled, and it seemed like I was scrambling to get people to notice my business, let alone, buy my products. And for a time, I burnt out.
After years of trial and error, analyzing hundreds of businesses from other sectors, and just pure grit...
I created a free Zero to Homestead Skool Community: a place where homesteaders of all levels share wins, troubleshoot challenges, and get guidance from experienced peers. By joining, you’ll access step-by-step guides to build traditional skills (sourdough, fresh milled flour, traditional foods, preserving, livestock, gardening, and more) plus full courses, workshops, and homestead business-building resources with a supportive network to help your homestead thrive.
Why Make Brownies with Sourdough Discard?
Using sourdough in brownies is one of the easiest and most rewarding ways to use extra starter. It adds:
- Moist, fudgy texture
- Depth of flavor that enhances chocolate
- Improved digestibility through fermentation
- A simple way to reduce waste in your sourdough kitchen
These brownies are rich and chocolate-forward, with just enough structure to slice cleanly.
Ingredients for Sourdough Brownies
- ½ cup butter, melted
- 1 cup cane sugar
- ½ cup brown sugar
- 2 eggs
- ½ cup sourdough discard (unfed or active)
- 1 teaspoon vanilla extract
- ¾ cup all-purpose flour
- ½ cup cocoa powder
- ½ teaspoon salt
- ½ teaspoon baking powder
Optional add-ins: chocolate chips, chopped walnuts, or flaky sea salt for topping.
How to Make Sourdough Brownies
1. Mix the Wet Ingredients
Preheat oven to 350°F (175°C). In a large bowl, whisk together melted butter, cane sugar, and brown sugar until smooth. Add eggs, sourdough discard, and vanilla extract, mixing until fully combined.
2. Combine the Dry Ingredients
In a separate bowl, whisk together flour, cocoa powder, salt, and baking powder.
3. Make the Batter
Gradually fold the dry ingredients into the wet mixture just until combined. Avoid overmixing to keep the brownies tender and fudgy.
4. Bake
Pour batter into a greased or parchment-lined 8×8 baking dish. Smooth the top and sprinkle with chocolate chips or nuts if using.
Bake for 25–30 minutes, until the center is just set and a toothpick comes out with moist crumbs.
5. Cool and Slice
Allow brownies to cool completely before slicing for clean edges and best texture.
Tips for Perfect Sourdough Brownies
- For fudgier brownies: bake closer to 25 minutes
- For cakier brownies: bake closer to 30 minutes
- For deeper flavor: refrigerate batter overnight before baking
- For clean cuts: chill brownies slightly before slicing
Storage & Freezing
- Store brownies in an airtight container at room temperature for up to 3 days
- Refrigerate for up to 5 days for extra fudginess
- Freeze sliced brownies for up to 3 months
A Cozy Chocolate Recipe for the Sourdough Kitchen
These sourdough brownies are proof that simple ingredients, thoughtfully combined, can create something truly special. Rich, fudgy, and deeply satisfying, they’re perfect for quiet evenings, sharing with friends, or making the most of extra sourdough discard.
From my rustic kitchen to yours: happy baking!
If you make this recipe, be sure to leave me a star rating and a comment below. Share what you made and tag me on Instagram@keepingitholistic! For more simple sourdough recipes & guidance, small-space gardening tips, and cozy, slow living inspiration, subscribe to my newsletter and follow me on YouTube and Instagram!
📖 Recipe
Rich & Fudgy Sourdough Brownies, A cozy, old-fashioned chocolate treat made with sourdough discard
Equipment
- 2 mixing bowls
- 1 baking dish 8x8
Ingredients
- ½ cup butter melted
- 1 cup cane sugar
- ½ cup brown sugar
- 2 eggs
- ½ cup sourdough discard unfed or active
- 1 teaspoon vanilla extract
- ¾ cup all-purpose flour
- ½ cup cocoa powder
- ½ teaspoon salt
- ½ teaspoon baking powder
- Optional add-ins: chocolate chips chopped walnuts, or flaky sea salt for topping.
Instructions
Mix the Wet Ingredients
- Preheat oven to 350°F (175°C). In a large bowl, whisk together melted butter, cane sugar, and brown sugar until smooth. Add eggs, sourdough discard, and vanilla extract, mixing until fully combined.
Combine the Dry Ingredients
- In a separate bowl, whisk together flour, cocoa powder, salt, and baking powder.
Make the Batter
- Gradually fold the dry ingredients into the wet mixture just until combined. Avoid overmixing to keep the brownies tender and fudgy.
Bake
- Pour batter into a greased or parchment-lined 8×8 baking dish. Smooth the top and sprinkle with chocolate chips or nuts if using.
- Bake for 25–30 minutes, until the center is just set and a toothpick comes out with moist crumbs.
Cool and Slice
- Allow brownies to cool completely before slicing for clean edges and best texture.
Notes
Tips for Perfect Sourdough Brownies
- For fudgier brownies: bake closer to 25 minutes
- For cakier brownies: bake closer to 30 minutes
- For deeper flavor: refrigerate batter overnight before baking
- For clean cuts: chill brownies slightly before slicing
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