Transform your excess sourdough starter into a bakery-worthy treat. These cookies masterfully blend the subtle tang of sourdough discard with the rich, comforting sweetness of dark chocolate. The result is a cookie with a uniquely complex flavor, a perfectly chewy center, and delightfully crisp edges. They are the ultimate solution for minimizing waste and maximizing deliciousness.
Prep Time: 15 minutes (plus 30 minutes chilling)
Cook Time: 10-12 minutes per batch
Total Time: ~1 hour
Intensity Level: Easy
Yield: 24 large cookies
Ingredients
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1 cup (226g) unsalted butter, at room temperature
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¾ cup (150g) granulated sugar
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¾ cup (165g) packed light or dark brown sugar
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1 large egg, at room temperature
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2 teaspoons pure vanilla extract
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1 cup (240g) unfed sourdough starter discard (100% hydration, straight from the fridge is fine)
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3 cups (360g) all-purpose flour
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1 teaspoon baking soda
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1 teaspoon fine sea salt
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2 cups (340g) high-quality dark chocolate chips or chopped chocolate bars
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Flaky sea salt (like Maldon), for garnish (optional)
Instructions
1. Cream the Butter & Sugars:
In the bowl of a stand mixer fitted with the paddle attachment (or using a hand mixer), beat the softened butter, granulated sugar, and brown sugar together on medium-high speed for 2-3 minutes, until the mixture is light, fluffy, and pale in color. Scrape down the sides of the bowl as needed.
2. Incorporate Wet Ingredients:
Add the egg and vanilla extract to the creamed mixture. Mix on medium speed until fully combined, about 1 minute. The mixture may look slightly curdled—this is normal. Add the sourdough discard and mix on low speed until just incorporated. The dough will be quite soft and sticky at this stage.
3. Combine Dry Ingredients:
In a separate bowl, whisk together the all-purpose flour, baking soda, and fine sea salt. With the mixer on low speed, gradually add the dry ingredients to the wet ingredients. Mix until only a few dry streaks remain. Be careful not to overmix.
4. Fold in Chocolate:
Add the chocolate chips or chunks to the bowl. Use a sturdy spatula to fold them into the dough until they are evenly distributed and no dry flour is visible.
5. Chill the Dough:
Cover the bowl with plastic wrap or transfer the dough to an airtight container. Refrigerate for at least 30 minutes, or up to 72 hours. This step is crucial. Chilling firms up the dough, prevents excessive spreading, and allows the flavors to deepen, giving the sourdough tang a chance to meld beautifully with the other ingredients.
6. Preheat and Prepare:
When ready to bake, preheat your oven to 375°F (190°C). Line two large baking sheets with parchment paper or silicone baking mats.
7. Portion the Dough:
Using a standard cookie scoop (about 3 tablespoons) or a spoon, portion the dough into balls, placing them about 3 inches apart on the prepared baking sheets. For a bakery-style look, you can roll the balls between your palms. For extra crisp edges, slightly flatten the top of each ball.
8. Bake to Perfection:
Bake one sheet at a time in the center of the preheated oven for 10-12 minutes. The cookies are done when the edges are golden brown and set, but the centers still look soft and slightly underbaked. They will continue to set as they cool. If desired, immediately after removing from the oven, gently press a few extra chocolate chips into the tops and sprinkle with a pinch of flaky sea salt.
9. Cool and Enjoy:
Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely. This lets them firm up perfectly. Enjoy warm with a glass of milk or store for later.
Storage & Lasting Tips
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Room Temperature: Store completely cooled cookies in an airtight container at room temperature for up to 4 days.
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Freeze Dough Balls: For fresh cookies anytime, portion the dough into balls and freeze them in a single layer on a baking sheet. Once solid, transfer to a freezer bag. They can be baked directly from frozen, adding 1-2 minutes to the bake time.
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Freeze Baked Cookies: Baked cookies freeze beautifully for up to 3 months. Thaw at room temperature or warm briefly in the oven.
Nutritional Information (Per Cookie, estimated)
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Calories: ~280 kcal
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Total Fat: 14g
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Saturated Fat: 9g
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Cholesterol: 35mg
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Sodium: 180mg
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Total Carbohydrates: 36g
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Dietary Fiber: 1g
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Sugars: 22g
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Protein: 3g
Note: Nutritional information is an estimate calculated using an online recipe analyzer. Values may vary based on specific ingredient brands and portion sizes. The use of sourdough discard does not significantly alter the macro-nutritional profile but may introduce trace amounts of beneficial bacteria and acids from the fermentation process