There’s something especially satisfying about opening the refrigerator and finding a jar of sourdough discard that would otherwise end up in the trash. That’s exactly how I ended up making these chocolate chip sourdough cookies.
I wasn’t trying to create anything complicated. I just wanted to use some leftover starter and make a cookie that still had the buttery, chocolatey flavor of a classic chocolate chip cookie.
The first batch taught me one important lesson: don’t skip the chilling time. My first few cookies spread more than I wanted because the dough was too soft. After chilling the dough properly, the cookies came out much thicker, with lightly crisp edges and soft centers.
The sourdough discard doesn’t make these cookies taste like bread. Instead, it adds a mild tang that works surprisingly well with brown sugar, vanilla, butter, and chocolate.
If you keep a sourdough starter at home, this is one of those recipes worth saving.
Why I Like These Sourdough Cookies
The biggest reason I make these cookies is that they turn something I would normally discard into dessert.
They also have a nice balance of textures. The edges become lightly golden and crisp, while the middle stays soft and chewy if you take them out of the oven at the right time.
The brown sugar adds moisture and a deeper caramel-like flavor, while the sourdough discard adds just enough tang to keep the cookies from tasting overly sweet.
And you don’t need any special sourdough equipment. A normal mixing bowl, hand mixer or stand mixer, measuring tools, baking sheet, and parchment paper are enough.
Ingredients
Here’s what I use for one batch:
- 1 cup (226 g) unsalted butter, softened
- ¾ cup (150 g) brown sugar
- ½ cup (100 g) granulated sugar
- 1 large egg
- ½ cup (120 g) sourdough discard, preferably 100% hydration
- 2 teaspoons vanilla extract
- 2 ¼ cups (280 g) all-purpose flour
- 1 teaspoon baking soda
- ½ teaspoon salt
- 1 ½ cups (255 g) chocolate chips
- ½ cup chopped walnuts or pecans, optional
- Flaky sea salt, optional
A Note About the Sourdough Discard
I normally use discard that has been sitting in the refrigerator for a few days. As long as your starter looks and smells normal for your sourdough culture, it can work well here.
For the most predictable results, use discard close to 100% hydration. If your starter is unusually thick or watery, the dough may behave a little differently.
Step 1: Cream the Butter and Sugar
Start with softened butter.
This is one place where I learned not to rush. You want the butter soft enough that a finger can press into it easily, but you don’t want it melted.
Add the brown sugar and granulated sugar to a large mixing bowl.
Beat everything together for about 2–3 minutes, until the mixture looks lighter and fluffy.
If you’re using a stand mixer, the paddle attachment works well. A regular hand mixer also does the job.
One mistake to avoid
Don’t use warm, melted butter just because you forgot to soften it earlier.
Melted butter can make the finished cookies spread much more than expected. If your kitchen is warm, the softened butter can also become too soft while you’re preparing the other ingredients.
Step 2: Add the Egg and Vanilla
Add the egg and vanilla extract to the butter mixture.
Mix until combined.
Then add the sourdough discard.
Mix again until the discard is evenly incorporated.
At this stage, the mixture can look slightly loose or different from ordinary chocolate chip cookie dough. Don’t worry about that. The flour will bring everything together.
Step 3: Mix the Dry Ingredients
In another bowl, combine:
- 280 g all-purpose flour
- 1 teaspoon baking soda
- ½ teaspoon salt
Whisk them together.
I prefer doing this separately rather than throwing everything directly into the wet mixture. It helps distribute the baking soda and salt more evenly.
A small whisk or fork is enough.
Step 4: Combine Everything
Gradually add the dry ingredients to the butter and sourdough mixture.
Mix on low speed until the flour is almost completely incorporated.
Then stop.
This is another place where it’s easy to overdo things. Once the flour disappears, there’s no real advantage to continuing to mix the dough.
Overmixing can make cookies tougher than you want.
If you’re mixing by hand, a sturdy spatula or wooden spoon works perfectly.
Step 5: Add the Chocolate
Now comes the part that makes it difficult not to eat the dough straight from the bowl.
Add the chocolate chips and gently fold them into the dough.
If you’re using walnuts or pecans, add them now too.
I like using a mixture of regular chocolate chips and a little chopped chocolate when I have a chocolate bar available. The chips give consistent pieces throughout the cookies, while chopped chocolate creates larger melted spots.
You can use whichever you have in the kitchen.
Step 6: Chill the Dough
Cover the bowl and place the dough in the refrigerator for at least 1 hour.
Don’t skip this step if you want thicker cookies.
The butter becomes firmer while the dough rests, and the flour has more time to absorb moisture. Both things help reduce excessive spreading.
Want more sourdough flavor?
Prepare the dough in the evening and refrigerate it overnight.
The longer resting period allows the flavors to develop further.
If you choose the overnight option, keep the dough refrigerated rather than leaving it at room temperature.
Step 7: Prepare the Oven and Baking Sheet
When you’re ready to bake, preheat the oven to:
350°F (175°C)
Line a baking sheet with parchment paper.
Scoop approximately 2 tablespoons of chilled dough for each cookie and roll it into a rough ball.
Place the dough balls on the baking sheet with several inches of space between them.
Don’t crowd the tray.
The cookies will spread as they bake, and giving them room prevents them from joining together.
Step 8: Bake the Cookies
Place the baking sheet in the preheated oven.
Bake for approximately 10–13 minutes.
This is where I recommend watching the cookies rather than relying only on the timer.
The edges should look lightly golden, while the centers should still look a little soft.
That’s what you want.
If you wait until the middle looks completely baked, the cookies can end up harder after cooling.
They continue cooking from the residual heat on the baking sheet after they come out of the oven.
For softer cookies
Take them out when the centers still look slightly underdone.
For crispier cookies
Leave them in for another 1–2 minutes, keeping a close eye on the edges.
Step 9: Add Chocolate and Sea Salt
If you want the cookies to look a little more bakery-style, press a few extra chocolate chips onto the tops while they’re still hot.
A small sprinkle of flaky sea salt is also excellent.
You don’t need much. Just a little is enough to balance the sweetness of the chocolate and brown sugar.
Step 10: Let Them Cool
Leave the cookies on the baking sheet for about 5 minutes.
They will be very soft when they first come out of the oven.
That’s normal.
After those few minutes, carefully transfer them to a wire cooling rack.
As they cool, the edges become firmer while the centers remain pleasantly soft.
What I Learned From Making These Cookies
The recipe itself isn’t difficult, but a few small details make a surprisingly big difference.
Butter temperature matters
If the butter is melted, the dough can become too loose and the cookies may spread across the baking sheet.
Softened butter gives you much better control.
Don’t judge them straight out of the oven
A cookie that looks too soft at minute 11 may be perfect after cooling for 10 minutes.
I used to wait for the center to look completely set. That usually resulted in cookies that were firmer than I wanted.
Chilling isn’t optional for my preferred texture
You can technically bake cookie dough without chilling it, but sourdough discard adds moisture.
Chilling makes the dough easier to handle and helps the cookies hold their shape.
Weighing the flour helps
If you have a kitchen scale, use it.
Measuring 280 g of flour gives you a more consistent result than repeatedly scooping flour into a cup.
If you don’t have a scale, spoon flour into your measuring cup and level it rather than packing it down.
Why Did My Cookies Spread Too Much?
This is probably the most common problem with this recipe.
There are several possible reasons.
The butter was too warm
If the butter was almost melted when you started, the dough may be too soft.
The dough wasn’t chilled long enough
Give it more time in the refrigerator.
If your kitchen is particularly warm, an extra 30–60 minutes can make a noticeable difference.
Too little flour
If flour was measured incorrectly, the dough can become softer than intended.
Using a kitchen scale is the easiest way to avoid this.
The baking sheet was warm
Don’t place fresh cookie dough onto a hot baking sheet left over from the previous batch.
Use a cool tray for each batch whenever possible.
Why Are My Cookies Hard?
Usually, the first thing I’d check is baking time.
Chocolate chip cookies don’t need to look completely finished in the oven.
Take them out when the edges are lightly golden and the centers still appear soft.
They will firm up as they cool.
Another possibility is adding too much flour. This is another reason I prefer weighing the flour.
Can You Use Active Sourdough Starter?
Yes.
Active starter can be used instead of discard, especially if it’s close to the same hydration level.
I generally prefer discard because cookies are a convenient way to use starter that isn’t at its peak.
The important thing is to remember that starter hydration affects the moisture level of the dough.
Can You Make the Dough the Night Before?
Absolutely.
This is actually one of my favorite ways to prepare these cookies.
Make the dough in the evening, cover it, and refrigerate it overnight.
The next day, scoop the chilled dough and bake it normally.
The extended resting time can give the cookies a more developed sourdough flavor.
How to Store Chocolate Chip Sourdough Cookies
Let the cookies cool completely before storing them.
Place them in an airtight container at room temperature.
For the best texture, keep the container tightly sealed.
If you want to keep them longer, you can freeze the baked cookies.
Place cooled cookies in a freezer-safe container or bag, separating layers if necessary.
When you’re ready for one, allow it to thaw at room temperature.
How to Freeze the Cookie Dough
Freezing the dough is particularly convenient when you don’t want to bake the whole batch at once.
Scoop the dough into individual portions and place them on a parchment-lined tray.
Freeze until firm.
Then transfer the frozen dough balls to a freezer-safe container or bag.
When you’re ready to bake, place the frozen dough directly onto a lined baking sheet.
You may need to add a few extra minutes to the baking time. Watch the edges and center rather than relying entirely on the original baking time.
Flavor Variations to Try
Chocolate Chunk Sourdough Cookies
Replace some or all of the chocolate chips with chopped chocolate.
You’ll get bigger melted chocolate pockets throughout the cookies.
Chocolate Walnut Cookies
Add chopped walnuts for a traditional combination of crunchy nuts and chocolate.
Pecans work just as well if you prefer their slightly sweeter flavor.
Dark Chocolate Sourdough Cookies
Use dark chocolate chips or chunks.
This works particularly well if you don’t want the cookies to taste overly sweet.
White Chocolate Sourdough Cookies
Swap the regular chocolate chips for white chocolate chips.
The result is noticeably sweeter and creamier.
Cinnamon Chocolate Chip Cookies
Add ½ teaspoon ground cinnamon to the dry ingredients.
It’s a small change, but it gives the cookies a warmer flavor that’s especially nice during cooler weather.
A Few Simple Ways to Improve the Batch
If I were making these for guests, I’d make a few small changes.
First, I’d reserve a handful of chocolate chips to press into the tops after baking.
Second, I’d use a mixture of chocolate chips and chopped chocolate.
Third, I’d add just a tiny amount of flaky sea salt.
And most importantly, I’d bake one test cookie before putting the entire batch in the oven.
That test cookie tells you a lot.
If it spreads too much, chill the remaining dough longer. If it stays too thick, you can slightly flatten the remaining dough balls before baking.
It’s much easier to adjust after one test cookie than after an entire tray.
Frequently Asked Questions
Can I use sourdough discard that’s been refrigerated?
Yes, provided the discard looks and smells normal for your starter. Older discard can have a stronger sour flavor, so the final cookies may have a more noticeable tang.
Do these cookies taste sour?
Not strongly.
The sourdough adds a subtle tang rather than making the cookies taste like sourdough bread. The butter, brown sugar, vanilla, and chocolate remain the main flavors.
Can I skip the chilling step?
You can, but I recommend chilling the dough.
Because the recipe contains sourdough discard, the dough has additional moisture. Chilling helps control spreading and improves the texture.
What chocolate works best?
Semisweet chocolate chips are an easy choice.
Dark chocolate gives a richer flavor, while chopped chocolate creates larger melted pockets.
You can also combine different types.
Can I use whole wheat flour?
Yes, but I wouldn’t replace all of the all-purpose flour with whole wheat flour if you’re looking for soft cookies.
Replacing a portion is a better starting point because too much whole wheat flour can make the cookies denser.
Can I add nuts?
Yes.
Walnuts and pecans both work well. Start with about ½ cup of chopped nuts and adjust according to your preference.
How do I get softer cookies?
Don’t overbake them.
Remove the cookies when the edges are lightly golden and the centers still look soft. Allow them to rest on the hot baking sheet for several minutes before transferring them to a rack.
Can I make smaller cookies?
Yes.
Use a smaller portion of dough and reduce the baking time. Smaller cookies can go from perfectly baked to overbaked fairly quickly, so start checking them earlier.
Chocolate Chip Sourdough Cookies Recipe Card
Prep Time: 20 minutes
Chill Time: At least 1 hour
Bake Time: 10–13 minutes
Total Time: About 1 hour 30 minutes or more
Yield: Approximately 24–30 cookies, depending on size
Ingredients
- 226 g unsalted butter, softened
- 150 g brown sugar
- 100 g granulated sugar
- 1 large egg
- 120 g sourdough discard
- 2 teaspoons vanilla extract
- 280 g all-purpose flour
- 1 teaspoon baking soda
- ½ teaspoon salt
- 255 g chocolate chips
- ½ cup chopped walnuts or pecans, optional
- Flaky sea salt, optional
Directions
- Cream the softened butter with brown sugar and granulated sugar for 2–3 minutes.
- Add the egg and vanilla and mix until combined.
- Mix in the sourdough discard.
- Whisk the flour, baking soda, and salt in a separate bowl.
- Gradually add the dry ingredients to the wet mixture and mix just until combined.
- Fold in the chocolate chips and optional nuts.
- Cover and refrigerate for at least 1 hour or overnight.
- Preheat the oven to 350°F (175°C).
- Scoop about 2 tablespoons of dough per cookie onto a parchment-lined baking sheet.
- Bake for 10–13 minutes, until the edges are lightly golden and the centers remain soft.
- Add extra chocolate chips or flaky sea salt if desired.
- Cool on the baking sheet for about 5 minutes, then transfer to a wire rack.
Final Thoughts
These cookies have become one of my favorite ways to use sourdough discard because they don’t feel like a recipe made just to avoid wasting starter. They are genuinely good cookies on their own.
The trick is mostly in the small details: use properly softened butter, don’t overmix the dough, chill it well, and don’t wait for the centers to look completely baked before taking the cookies out.
Once you’ve made one batch, it’s easy to adjust them to your taste. Add walnuts, switch to dark chocolate, mix in some chopped chocolate, or finish them with a little flaky salt.
And if you have sourdough discard sitting in the refrigerator right now, this is a pretty good excuse to turn it into something warm, buttery, and chocolate-filled.
