There’s something comforting about coming home and baking a batch of cookies on a quiet evening. These brownie cookies balance the rich, fudgy texture of brownies with the delightful shape and crunch of classic cookies. Whether you’re winding down after a long day, enjoying a weekend with family, or just looking for a sweet treat for gatherings, these cookies fit the bill. With a simple mix of ingredients and minimal fuss, you’ll find this recipe both easy and satisfying. Let’s dive into making these delicious cookies.
Why You’ll Love This Sourdough Discard Brownie Cookies
These Sourdough Discard Brownie Cookies are simple and reliable, offering a perfect balance of comfort and flavor. Infusing the sourdough discard into the dough gives them a unique depth, enhancing their chewy texture while retaining a sweet, balanced flavor. With everyday ingredients, this recipe makes for an easy go-to when you’re craving cookies, bringing practicality to your baking routine.
Kitchen Tools You’ll Need
- Mixing bowls
- Whisk or spatula
- Baking sheet
- Parchment paper (optional)
- Measuring cups and spoons
Ingredients
- 1 cup (240 g) sourdough discard (unfed) (adds moisture and tanginess)
- 115 g (1/2 cup) unsalted butter, melted (provides richness and moisture)
- 150 g (3/4 cup) granulated sugar (sweetens and contributes texture)
- 50 g (1/4 cup) packed brown sugar (adds moisture and depth of flavor)
- 2 large eggs (binds the ingredients and adds moisture)
- 2 tsp vanilla extract (enhances overall flavor)
- 60 g (3/4 cup) unsweetened cocoa powder (contributes chocolate flavor and richness)
- 100 g (3/4 cup) all-purpose flour (provides structure)
- 1/2 tsp baking soda (helps with leavening)
- 1/4 tsp kosher salt (enhances flavor)
- 100 g chocolate chips or chopped chocolate (adds pockets of melted chocolate)
- 1 tsp instant espresso powder (optional, intensifies chocolate flavor)

How to Make Sourdough Discard Brownie Cookies
Step 1. Preheat your oven to 350°F (175°C). This prepares the baking environment for the cookies. A properly preheated oven ensures even baking, helping to achieve the right texture and doneness of the cookies.
Step 2. In a large mixing bowl, combine the sourdough discard, melted butter, granulated sugar, and brown sugar. Use a whisk or spatula to mix until it is smooth and well blended. This stage is about integrating the ingredients to create a consistent batter.
Step 3. Add the eggs one at a time into the mixture, whisking well after each addition. The eggs will help bind the ingredients together and contribute to the cookies’ moist consistency. You’ll know it’s ready when the mixture is smooth and slightly glossy.
Step 4. Mix in the vanilla extract until evenly distributed. The extract enhances the sweetness and can complement the chocolate flavors, leaving a pleasant aroma as you blend it in.
Step 5. In a separate bowl, whisk together cocoa powder, all-purpose flour, baking soda, and kosher salt. This step helps incorporate the dry ingredients evenly and reduces clumping, ensuring smooth batter formation.
Step 6. Gradually add the dry mixture to the wet ingredients, stirring gently with a spatula. Be careful not to overmix, which can lead to tougher cookies. Stop mixing once you see a few flour streaks left; this indicates a tender dough.
Step 7. Fold in the chocolate chips or chopped chocolate by hand until they are evenly distributed throughout the dough. This addition not only adds bursts of chocolate but also contributes to the overall richness of the cookies.
Step 8. Line your baking sheet with parchment paper, if desired, and scoop spoonfuls of the cookie dough onto the sheet, spacing them about two inches apart. This ensures the cookies have room to spread while baking. You’ll want them to be roughly the same size for even baking.
Step 9. Bake in the preheated oven for 10-12 minutes. Observe the edges; they will look set while the centers may remain slightly soft. This is ideal as the cookies will continue to firm up after removing them from the oven.
Step 10. Let the cookies cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely. This process allows the cookies to develop their full flavor and texture as they cool down.

Serving Suggestions
These Sourdough Discard Brownie Cookies are versatile and can be enjoyed in various ways. They make for a delightful breakfast treat or a sweet afternoon snack with coffee or tea. Consider serving them at family meals or gatherings for a comforting dessert. Leftovers, if there are any, can easily be enjoyed over a few days, making them a practical choice for any time of the day.
Pro Tips for Best Results
- Ensure your ingredients are at room temperature for better blending.
- Don’t overmix the dough to maintain a tender texture.
- Let cookies cool fully on a wire rack for optimal texture.
- For deeper flavor, consider adding a touch more vanilla extract.
- Adjust baking time slightly if you prefer a softer or firmer cookie.
Common Mistakes to Avoid
- Using fed sourdough discard: This can alter the flavor and moisture balance in the cookies, leading to an unintended tang. Always use unfed sourdough discard for consistent results.
- Overmixing the dough: Overmixing can make cookies tough instead of chewy. Mix just until the dry and wet ingredients are combined for the best texture.
- Skipping the cooling time: Rushing to eat the cookies straight from the oven can result in an overly soft structure. Allow them to cool to set properly.
- Not measuring ingredients accurately: Using imprecise measurements can result in a crumbly or overly dense cookie. Use proper measuring tools for consistency.
- Not adjusting bake time for different ovens: Every oven is unique, and baking times can vary. Check for doneness a minute or two earlier than suggested to prevent overbaking.
- Ignoring ingredient temperature: Cold butter or eggs can lead to an unevenly mixed dough. Aim for room-temperature ingredients for smooth integration.
Variations & Substitutions
Consider adding nuts like chopped walnuts for added crunch or sea salt on top for a salty-sweet treat. You might also explore swapping half the granulated sugar for a natural sweetener, though this can affect texture.
Storage & Reheating
Store the cookies in an airtight container at room temperature for up to one week. For longer storage, refrigerate them for about two weeks. You can also freeze these cookies by placing them in a freezer-safe container for up to three months. When ready to enjoy, simply thaw at room temperature or warm them in the oven for a few minutes to regain their chewy texture.
Nutrition Information
Nutrition values per serving:
- Calories: 182
- Total Fat: 9 g
- Saturated Fat: 5 g
- Carbohydrates: 24 g
- Fiber: 1 g
- Sugar: 14 g
- Protein: 2 g
- Sodium: 75 mg
Frequently Asked Questions
Can I make this recipe ahead of time?
Yes, you can prepare the dough ahead of time and store it in the refrigerator for up to 24 hours. Just let it sit at room temperature for about 15-30 minutes before baking.
How long does it last in the fridge?
These cookies will remain fresh in the fridge for about a week when stored properly in an airtight container.
Can I freeze this recipe?
Absolutely. You can freeze the cookie dough or the baked cookies. If freezing dough, scoop it into balls and freeze on a baking sheet before transferring to a freezer-safe bag.
What can I substitute for one ingredient?
If you need to substitute the sourdough discard, a mix of yogurt or buttermilk can work, though it will change the flavor slightly.
Why didn’t my recipe turn out as expected?
Common reasons could include inaccurate measurements, using fed sourdough discard, or not allowing the cookies to cool correctly. It’s worth checking through these factors to identify what might have gone wrong.
Final Thoughts
Making Sourdough Discard Brownie Cookies is an enjoyable and straightforward process. The blend of flavors and textures offers a comforting experience, whether you’re enjoying them alone or with friends and family. The result is a delightful combination of chewy and fudgy cookies that are sure to satisfy any chocolate craving. As you bake and share them, you’ll find a reassuring warmth in both the process and the end result.

Sourdough Discard Brownie Cookies
Ingredients
Wet Ingredients
- 1 cup sourdough discard (unfed) Adds moisture and tanginess
- 115 g unsalted butter, melted Provides richness and moisture
- 150 g granulated sugar Sweetens and contributes texture
- 50 g packed brown sugar Adds moisture and depth of flavor
- 2 large eggs Binds the ingredients and adds moisture
- 2 tsp vanilla extract Enhances overall flavor
Dry Ingredients
- 60 g unsweetened cocoa powder Contributes chocolate flavor and richness
- 100 g all-purpose flour Provides structure
- 1/2 tsp baking soda Helps with leavening
- 1/4 tsp kosher salt Enhances flavor
Add-ins
- 100 g chocolate chips or chopped chocolate Adds pockets of melted chocolate
- 1 tsp instant espresso powder Optional, intensifies chocolate flavor
Instructions
Preparation
- Preheat your oven to 350°F (175°C).
- In a large mixing bowl, combine the sourdough discard, melted butter, granulated sugar, and brown sugar. Mix until smooth.
- Add the eggs one at a time, whisking well after each addition until the mixture is smooth and slightly glossy.
- Mix in the vanilla extract until well combined.
- In a separate bowl, whisk together cocoa powder, all-purpose flour, baking soda, and kosher salt.
- Gradually add the dry mixture to the wet ingredients, stirring gently with a spatula until just combined.
- Fold in the chocolate chips or chopped chocolate by hand.
- Line your baking sheet with parchment paper and scoop spoonfuls of the cookie dough onto the sheet, spacing them about two inches apart.
Baking
- Bake in the preheated oven for 10-12 minutes.
- Let the cookies cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely.






