Sourdough S’mores Cookies Gooey Chocolate

Gooey Sourdough S'mores Cookies with chocolate and marshmallows

There’s something special about the combination of chocolate, graham crackers, and marshmallows that brings a sense of nostalgia and warmth. These Sourdough S’mores Cookies take that classic campfire treat and turn it into a delightful cookie, bringing together the rich flavors of melted chocolate and toasted marshmallows. The addition of sourdough discard not only reduces waste but adds a unique depth of flavor, making each bite more interesting. Let’s dive into how to create these delicious cookies!

Why You’ll Love This Sourdough S’mores Cookies

These Sourdough S’mores Cookies are easy to make and offer a comforting blend of flavors. The use of sourdough adds a delightful tanginess that balances perfectly with the sweetness of the chocolate and marshmallows. They strike the right balance between chewy and soft, making them a practical option for everyday enjoyment. You can serve them as a satisfying snack, a sweet addition to breakfast, or a fun treat for family meals.

Kitchen Tools You’ll Need

  • Mixing bowls
  • Whisk
  • Cookie scoop
  • Baking sheet
  • Parchment paper

Ingredients

  • 1 cup unsalted butter, melted and cooled (adds richness and moisture)
  • 1 cup dark or light brown sugar, packed (provides sweetness and moisture)
  • 1/2 cup granulated sugar (adds sweetness and a slight crunch)
  • 1 large egg (binds ingredients and adds moisture)
  • 1 egg yolk (enhances richness and tenderness)
  • 1 tablespoon vanilla extract (adds flavor complexity)
  • 1/2 cup sourdough discard (adds a subtle tang and moisture)
  • 2 1/4 cups + 2 tablespoons all-purpose flour (provides structure)
  • 1/2 teaspoon baking soda (aids in rising)
  • 1/4 teaspoon baking powder (helps create a light texture)
  • 1/2 teaspoon salt (enhances flavors)
  • 1 cup semi-sweet chocolate chips (adds richness and sweetness)
  • 3-4 graham crackers, broken into small pieces (provides crunch and flavor)
  • 10-12 regular-size marshmallows, halved (melts to a gooey texture)
  • Hershey squares for topping (adds classic chocolate flavor)
  • Extra chocolate chips (optional for decoration)
  • Additional graham cracker pieces (optional for texture)

Sourdough S'mores Cookies Gooey Chocolate

How to Make Sourdough S’mores Cookies

Step 1. In a large mixing bowl, begin by whisking together the melted and cooled butter with both the brown sugar and granulated sugar. This mixture should become smooth and glossy, indicating that the sugars are properly incorporated. The butter’s richness combined with the sugars’ moisture will lay a flavorful foundation for your cookie dough.

Step 2. Next, add in the egg, egg yolk, vanilla extract, and sourdough discard. Whisk these ingredients until everything is fully combined, which ensures a uniform batter. The egg adds moisture and binds the mixture, while the sourdough discard brings in an earthy note that adds interest without overpowering the sweetness.

Step 3. In a separate bowl, whisk the all-purpose flour, baking soda, baking powder, and salt together. This step helps to evenly distribute the leavening agents and salt, so that your cookies rise evenly and have a balanced flavor. You’ll notice the flour will appear fluffy, ready to be mixed with the wet ingredients.

Step 4. Gradually fold the dry ingredients into the wet ingredients, mixing until just combined. It’s important not to overmix at this stage, as this can lead to tough cookies. When there are no dry patches of flour, fold in the chocolate chips and broken graham cracker pieces, ensuring they’re evenly distributed throughout the dough.

Step 5. Cover the dough with plastic wrap or a lid and refrigerate it for at least 45 minutes or up to overnight. Chilling the dough helps firm it up, which will result in a better texture when baked. You may want to use this time to catch up on other tasks or just enjoy a moment of quiet.

Step 6. Preheat your oven to 325°F and line a baking sheet with parchment paper. This will prevent the cookies from sticking and allow for easy cleanup later on. As the oven heats up, you’ll create a welcoming environment for baking your cookies.

Step 7. Using a 3-tablespoon cookie scoop, spoon out the dough and flatten it slightly in your hands. Place half of a regular-size marshmallow in the center of each dough scoop. Carefully wrap the dough around the marshmallow, sealing it completely. Roll the dough into a ball and gently flatten the top for an even baking surface.

Step 8. Arrange 5–6 cookies on the prepared baking sheet, leaving enough space between each cookie for spreading. It’s best to space them out to avoid them merging while baking. You can admire the doughy creations as you prepare for the next step.

Step 9. Bake the cookies for 9–11 minutes, or until the edges are lightly golden while the centers remain pale and soft. This contrast in color indicates that the cookies are baking correctly and will yield a chewy interior. Keep an eye on them, as you want to catch them before they overbake.

Step 10. As soon as you take the cookies out of the oven, press a Hershey square into the center of each warm cookie. The heat will help them melt slightly, creating a rich chocolate center. The combination of warm cookie and melting chocolate is irresistible.

Step 11. For an optional decorative touch, press a few additional chocolate chips and graham cracker pieces into the tops of the warm cookies. This not only adds to the visual appeal but enhances the s’mores experience by giving added texture and flavor.

Step 12. If you want perfectly round cookies, use a large round cookie cutter or drinking glass to gently swirl around the cookies immediately after baking. This step can refine their shape, creating that classic bakery look without much effort.

Step 13. Allow the cookies to cool on the baking sheet for about 5 minutes before transferring them to a cooling rack. This cooling time helps them set up slightly, making them easier to handle. You’ll enjoy the delightful aroma while they cool, getting ready to indulge.

Sourdough S'mores Cookies

Serving Suggestions

These Sourdough S’mores Cookies are incredibly versatile! Serve them warm with a glass of milk for breakfast or enjoy them as an afternoon snack with coffee or tea. They also make a wonderful dessert option at family gatherings or picnics. If you have leftovers, they can easily be packed in lunchboxes or enjoyed later as a sweet treat. Alternatively, crumble them over ice cream for a simple yet delicious sundae.

Pro Tips for Best Results

  • Use room temperature ingredients for better incorporation, enhancing the cookie’s texture.
  • Don’t skip the chilling step; it helps the cookies hold their shape and develops flavor.
  • When mixing the dry ingredients, be gentle to avoid overworking the dough.
  • Ensure your oven is fully preheated before baking for consistent results.
  • Experiment with various types of chocolate chips to personalize the flavor.
  • Keep an eye on the baking time; slight adjustments may be necessary depending on your oven’s performance.

Common Mistakes to Avoid

  1. Not chilling the dough: Skipping this step can lead to cookies spreading too much in the oven, resulting in a flat texture. Be sure to chill your dough to help maintain its shape during baking.
  2. Overmixing the dough: Stirring too vigorously can develop gluten, leading to tougher cookies. Mix until the dry ingredients are just incorporated, and you’ll keep them tender.
  3. Using stale marshmallows: Old marshmallows won’t melt effectively and could lead to a less enjoyable texture. Always use fresh marshmallows for the best results.
  4. Baking on an unlined sheet: Not using parchment paper can cause cookies to stick and burn on the bottom. Always line your baking sheet for easier removal and cleanup.
  5. Leaving cookies on the pan too long: Allowing them to cool completely on the baking sheet can lead to soggy bottoms. Transfer them to a cooling rack after a few minutes to achieve the right texture.
  6. Pressing in cold chocolate: If the chocolate is cold when pressed into the cookies, it won’t melt properly. Use warm cookies to ensure the chocolate softens and melds nicely.

Variations & Substitutions

Consider adding nuts such as walnuts or pecans for added texture. You can also substitute the chocolate chips with white chocolate or peanut butter chips for a different flavor profile. For a more intense s’mores experience, include mini chocolate bars or flavored marshmallows. Adjust the amount of graham crackers for a crunchier or softer cookie based on your preference.

Storage & Reheating

Store these cookies at room temperature in an airtight container for up to five days. If you want to keep them longer, refrigerate, where they’ll last about a week. You can also freeze the cookies in an airtight container or freezer bag for up to three months. For best results, reheat them in a preheated oven at 350°F for a few minutes to bring back their soft texture.

Frequently Asked Questions

Can I make this recipe ahead of time?

Yes, you can prepare the dough in advance and refrigerate it for up to overnight. This helps develop the flavors further before baking.

How long does it last in the fridge?

The cookies can last up to about a week in the refrigerator when stored in an airtight container, ensuring they stay soft and fresh.

Can I freeze this recipe?

Absolutely! You can freeze the cookies in an airtight container for up to three months. Reheat them directly from the freezer for a quick treat.

What can I substitute for one ingredient?

For the sourdough discard, a smooth yogurt can be used to maintain moisture and texture, though it will alter the flavor slightly.

Why didn’t my recipe turn out as expected?

Common issues include not chilling the dough, overmixing, or incorrect oven temperatures. Ensure each step is followed closely for the best results.

Final Thoughts

Making Sourdough S’mores Cookies is an enjoyable process that rewards you with warm, gooey treats perfect for any occasion. These cookies embody nostalgic flavors while incorporating the unique tang of sourdough. They are sure to bring smiles to your family and friends, creating memorable moments with every bite. You’ll find that they are not only delicious but comforting, making your kitchen a welcoming place.

sourdough smores cookies gooey chocolate 2026 09 08 201939 819x1024 1 Sourdough S'mores Cookies Gooey Chocolate

Sourdough S'mores Cookies

These Sourdough S'mores Cookies turn the classic campfire treat into a delightful cookie filled with rich melted chocolate and toasted marshmallows, enhanced by the unique flavor of sourdough discard.
Prep Time 45 minutes
Cook Time 11 minutes
Total Time 56 minutes
Course Dessert, Snack
Cuisine American
Servings 24 cookies
Calories 180 kcal

Ingredients
  

Wet Ingredients

  • 1 cup unsalted butter, melted and cooled adds richness and moisture
  • 1 cup dark or light brown sugar, packed provides sweetness and moisture
  • 1/2 cup granulated sugar adds sweetness and a slight crunch
  • 1 large egg binds ingredients and adds moisture
  • 1 large egg yolk enhances richness and tenderness
  • 1 tablespoon vanilla extract adds flavor complexity
  • 1/2 cup sourdough discard adds a subtle tang and moisture

Dry Ingredients

  • 2 1/4 cups all-purpose flour provides structure
  • 2 tablespoons all-purpose flour
  • 1/2 teaspoon baking soda aids in rising
  • 1/4 teaspoon baking powder helps create a light texture
  • 1/2 teaspoon salt enhances flavors

Mix-ins

  • 1 cup semi-sweet chocolate chips adds richness and sweetness
  • 3-4 pieces graham crackers, broken into small pieces provides crunch and flavor
  • 10-12 pieces regular-size marshmallows, halved melts to a gooey texture
  • Hershey squares for topping adds classic chocolate flavor
  • extra chocolate chips optional for decoration
  • additional graham cracker pieces optional for texture

Instructions
 

Preparation

  • In a large mixing bowl, whisk together the melted and cooled butter with brown sugar and granulated sugar until smooth and glossy.
  • Add the egg, egg yolk, vanilla extract, and sourdough discard. Whisk until fully combined.
  • In a separate bowl, whisk the flour, baking soda, baking powder, and salt together.
  • Gradually fold the dry ingredients into the wet ingredients, mixing until just combined. Fold in the chocolate chips and broken graham cracker pieces.
  • Cover the dough and refrigerate for at least 45 minutes or up to overnight.

Baking

  • Preheat your oven to 325°F and line a baking sheet with parchment paper.
  • Using a cookie scoop, scoop the dough and place half of a marshmallow in the center, wrapping the dough around it to seal.
  • Arrange cookies on the baking sheet, leaving space for spreading.
  • Bake for 9–11 minutes, until edges are lightly golden and the centers remain soft.
  • Press a Hershey square into the center of each warm cookie.
  • Optionally, press additional chocolate chips and graham cracker pieces into the tops.
  • Cool cookies on the baking sheet for 5 minutes before transferring to a cooling rack.

Notes

Use room temperature ingredients for better incorporation. Don’t skip the chilling step to help the cookies maintain their shape. Experiment with different types of chocolate chips.
Keyword Baking, Campfire Treats, Chocolate Cookies, S'mores Cookies, Sourdough Cookies

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Cooking has always been my way of sharing comfort, connection, and joy. From simple moments in the kitchen to meals shared with loved ones, food has always brought meaning to my life. BeamRecipes is where I share that passion with you.

 

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