Sourdough Discard Brownies are a delightful and decadent treat that not only satisfies your sweet tooth but also helps you reduce food waste. These fudgy brownies leverage the unique flavor of sourdough starter to create a rich texture and unforgettable taste. Whether you’re an experienced baker or someone just starting out, this recipe is straightforward and rewarding. With just a few simple ingredients and steps, you can whip up these chocolatey delights that will impress everyone around you.
Ingredient Breakdown
Sourdough Starter
The star of the show is the sourdough starter. You will need about 1 cup (240 grams) of unfed or discard sourdough starter. This ingredient provides the distinct tangy flavor and moisture that makes these brownies so special.
Unsweetened Cocoa Powder
Use 1/2 cup (50 grams) of unsweetened cocoa powder to give these brownies their rich chocolate flavor. Cocoa powder adds depth and enhances the overall taste while providing a beautiful dark color.
All-Purpose Flour
For structure, include 1 cup (120 grams) of all-purpose flour. This ingredient balances moisture from the starter and creates a chewy texture that pairs perfectly with the fudgy consistency.
Granulated Sugar
You will need 1 cup (200 grams) of granulated sugar for sweetness. The sugar not only sweetens the batter but also contributes to the shiny top crust that every brownie lover enjoys.
Eggs
Add 2 large eggs to bind everything together. Eggs provide stability and moisture while adding richness to your brownies.
Butter
Use 1/2 cup (115 grams) of melted unsalted butter for a decadent flavor. Butter enhances the richness and helps achieve that desirable fudgy texture.
Vanilla Extract
Include 1 teaspoon of vanilla extract for additional flavor complexity. This ingredient rounds out the sweetness and complements the chocolate beautifully.
Salt
A pinch of salt (about 1/4 teaspoon) brings out all flavors in your brownies. Salt balances sweetness and accentuates the rich chocolate notes.
Step By Step Recipe: Sourdough Discard Brownies
Preheat Your Oven
Start by preheating your oven to 350°F (175°C). This step ensures even baking throughout your brownies. Proper temperature is crucial for achieving that perfect balance between fudgy and cakey textures.
Prepare Your Baking Dish
Grease an 8×8-inch baking pan with butter or non-stick spray and line it with parchment paper for easy removal later on. This preparation step prevents sticking and makes serving much simpler when your brownies are ready.
Mix Wet Ingredients
In a large mixing bowl, combine the melted butter, granulated sugar, eggs, vanilla extract, and sourdough starter. Whisk until smooth and well incorporated; this mixture should be creamy without any lumps remaining.
Stir in Dry Ingredients
Once your wet mixture is ready, sift in cocoa powder, all-purpose flour, and salt into the bowl. Use a spatula or wooden spoon to mix until just combined; be careful not to overmix as this can lead to tough brownies.
Pour Batter into Baking Pan
Transfer your brownie batter into the prepared baking dish, spreading it evenly with a spatula. Smooth out any uneven areas so that they bake uniformly. Taking care at this step leads to consistent results throughout your batch.
Bake in Preheated Oven
Place your baking pan in the preheated oven and bake for approximately 25-30 minutes or until a toothpick inserted into the center comes out with moist crumbs attached. Keep an eye on them toward the end to avoid overbaking.
Cool Before Cutting
Remove the pan from the oven once baked and allow it to cool on a wire rack for at least 15-20 minutes before cutting into squares. Cooling helps set their texture properly while making slicing easier without crumbling apart.

Serving and Storing Tips
Serve Warm or Room Temperature
For optimal enjoyment, serve these Sourdough Discard Brownies warm or at room temperature with a scoop of ice cream or dollop of whipped cream on top. The warmth enhances their fudgy texture while offering delightful contrasts in temperature.
Store in an Airtight Container
To maintain freshness, store leftover brownies in an airtight container at room temperature for up to five days. If refrigerated, they can last up to one week but may lose some of their soft texture if stored too long.
Freeze for Longer Storage
If you want longer storage options, freeze individual brownie squares wrapped tightly in plastic wrap followed by aluminum foil—or place them in freezer bags—for up to three months. Thaw overnight in the refrigerator when you’re ready to enjoy again!
Mistakes to avoid
One common mistake when making sourdough discard brownies is using too much sourdough discard. While it adds flavor and moisture, excessive amounts can lead to overly dense brownies. Stick to the recommended amount in your recipe for the best results.
Another mistake is not measuring ingredients accurately. Baking is a science, and even slight variations in ingredient quantities can affect the texture and taste of your brownies. Use a kitchen scale or proper measuring cups for precise measurements.
Failing to mix the batter properly can also ruin your brownies. Under-mixing may leave lumps of flour, while over-mixing can incorporate too much air, resulting in a cake-like texture instead of the desired fudgy consistency.
Neglecting to preheat your oven is another error that many home bakers make. An unheated oven can cause uneven baking and prevent your brownies from rising correctly. Always preheat well before placing your batter inside.
Lastly, overbaking sourdough discard brownies is a frequent issue. Brownies should be slightly under-baked for that gooey center. Keep an eye on them as they bake, and do a toothpick test for doneness.

Tips and tricks
To achieve perfect sourdough discard brownies, start with room temperature ingredients. Allow your butter and eggs to reach room temperature before mixing them into the batter. This helps the ingredients combine more smoothly, resulting in a better texture.
Consider using high-quality chocolate or cocoa powder for a richer flavor profile. The chocolate you choose will significantly impact the final taste of your brownies. Opt for unsweetened cocoa powder or dark chocolate chips to complement the tangy notes of the sourdough discard.
Experiment with add-ins like nuts or chocolate chunks to elevate your brownies further. Chopped walnuts, almonds, or even peanut butter chips can add delightful textures and flavors that contrast beautifully with the softness of the brownie base.
Don’t rush the cooling process after baking. Letting your brownies cool completely before cutting enhances their fudginess. If you slice them while warm, they may crumble more easily and lose their appealing texture.
Lastly, store leftover brownies properly to maintain freshness. Place them in an airtight container at room temperature for up to three days or refrigerate them for longer shelf life. You can also freeze them if you want to save some for later enjoyment.
Suggestions for Sourdough Discard Brownies
If you’re looking for a gluten-free alternative to traditional brownies, consider substituting all-purpose flour with almond flour or coconut flour. These options provide unique flavors while still yielding delicious sourdough discard brownies.
For those who enjoy a bit of spice, try adding cinnamon or espresso powder into your brownie batter. These ingredients enhance the overall flavor without overpowering the classic brownie taste that everyone loves.
If you prefer a less sweet brownie, reduce the sugar in your recipe by one-quarter without compromising texture or taste significantly. This adjustment allows you to enjoy a more balanced dessert that highlights the sourdough flavor better.
For an extra layer of indulgence, top your baked brownies with a drizzle of caramel or melted chocolate after they have cooled completely. This addition makes for an enticing presentation while satisfying any sweet tooth cravings.
Lastly, consider pairing your sourdough discard brownies with ice cream or whipped cream when serving. The warm brownie alongside cold toppings creates a delightful contrast in temperatures that elevates this simple treat into something special.

FAQs
What are Sourdough Discard Brownies?
Sourdough discard brownies are delicious treats made using leftover sourdough starter that you might otherwise throw away. They offer a unique flavor profile from the starter while retaining all the rich qualities of traditional brownies. By incorporating this ingredient, you reduce waste and enjoy a delightful dessert at the same time.
How long do Sourdough Discard Brownies last?
When stored properly in an airtight container at room temperature, sourdough discard brownies typically last about three days—longer if refrigerated! For extended storage options, consider freezing individual pieces wrapped tightly in plastic wrap followed by aluminum foil for up to three months without sacrificing quality.
Can I use fresh sourdough starter instead of discard?
Yes! You can use fresh sourdough starter instead of discard in recipes if you adjust other ingredients accordingly since fresh starter contains more moisture than unfed one does after fermentation time has passed.
Are Sourdough Discard Brownies healthy?
While these brownies contain some nutritious elements from whole grain flours and possibly nuts added during preparation, they still fall under dessert categories high in sugars and fats typical within most brownie recipes! Moderation remains key when enjoying such treats while balancing overall diet choices throughout daily meals!
Can I make gluten-free Sourdough Discard Brownies?
Absolutely! To create gluten-free sourdough discard brownies simply substitute regular all-purpose flour with gluten-free alternatives such as almond flour or coconut flour; keep in mind that adjustments may need consideration regarding moisture levels during mixing processes!
How do I know when my Sourdough Discard Brownies are done baking?
To check doneness without opening your oven door too often (which affects baking times), perform the toothpick test: insert it into center; if it comes out with moist crumbs attached but not wet batter—your delicious treat is ready! Remember they continue cooking slightly after removing from heat source due residual warmth within pan itself!
Summary
In summary, making perfect sourdough discard brownies involves avoiding common mistakes like overmixing and improper baking times while using high-quality ingredients will ensure great flavor profiles emerge from each batch created! By following helpful tips and suggestions provided above along with addressing frequently asked questions about these delightful treats—you’ll soon master crafting deliciously fudgy desserts everyone will rave about!
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Sourdough Discard Brownies
These fudgy brownies are a delicious way to use sourdough discard, making them moist and rich while reducing waste in your kitchen.
- Total Time: 35 minutes
- Yield: 16 servings 1x
Ingredients
1 cup sourdough discard (unfed)
1/2 cup unsweetened cocoa powder
1/2 cup all-purpose flour
1/2 cup granulated sugar
1/4 cup brown sugar, packed
1/2 cup unsalted butter, melted
2 large eggs
1 tsp vanilla extract
1/4 tsp salt
1/2 cup chocolate chips (optional)
Instructions
1. Preheat the oven to 350°F (175°C) and grease an 8×8 inch baking pan.
2. In a large mixing bowl, combine the melted butter, sugars, and sourdough discard. Mix until smooth.
3. Add the eggs and vanilla extract to the mixture, stirring until fully incorporated.
4. In another bowl, whisk together the cocoa powder, flour, and salt.
5. Gradually fold the dry ingredients into the wet mixture until just combined. Do not overmix.
6. If desired, fold in chocolate chips for extra richness.
7. Pour the batter into the prepared baking pan and spread evenly.
8. Bake for 20-25 minutes or until a toothpick inserted into the center comes out with a few moist crumbs (not wet batter).
9. Let cool in the pan before cutting into squares and serving.
Notes
For an extra touch, sprinkle some sea salt on top before baking or drizzle with melted chocolate after cooling.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
Nutrition
- Serving Size: 1 brownie
- Calories: 150
- Sugar: 12g
- Fat: 7g
- Carbohydrates: 18g
- Protein: 2g
Keywords: sourdough discard, brownies, baking, dessert
