If you're searching for a showstopping cookie recipe that blends nostalgic campfire flavors with the finesse of artisan baking, Sourdough S'mores Cookies with Marshmallows and Brown Butter is the ultimate treat.
As gourmet cookies have soared in popularity, combining tangy sourdough discard, nutty brown butter, creamy marshmallows, rustic graham crackers, and indulgent chocolate chips elevates this dessert far beyond the average cookie.
Drawing inspiration from the classic s'mores enjoyed by firesides, this recipe brings together the essence of American childhood with a modern bakery twist.
The origin of s'mores dates back to the early 1920s, when Girl Scouts included them in a publication as "Some Mores," reflecting everyone's desire for a second serving. Sourdough, with its rich history and deep flavor profile, adds complexity to this recipe, while brown butter introduces a rich, toasty depth.
These cookies are perfect for utilizing leftover sourdough starter, and their gooey texture paired with crispy, golden edges makes them irresistible for any occasion.
Whether baked for family gatherings, potlucks, or a cozy night in, Sourdough S'mores Cookies with Marshmallows and Brown Butter promise to deliver warmth, nostalgia, and ultimate indulgence in every bite.
Every detail, from ingredient selection to mixing method, is designed to ensure optimal texture and flavor, making this the definitive s'mores cookie recipe for food lovers and home bakers alike.
Ingredients
- 1 cup (227g) unsalted butter
- 1 cup (200g) light brown sugar, packed
- ½ cup (100g) granulated sugar
- 2 large eggs, at room temperature
- ½ cup (120g) unfed sourdough starter (discard is fine), at room temperature
- 1 tablespoon pure vanilla extract
- 2 ⅔ cups (335g) all-purpose flour
- 1 teaspoon baking soda
- ¾ teaspoon fine sea salt
- 1 ¼ cups (220g) semisweet or dark chocolate chips or chunks
- 1 ½ cups (90g) mini marshmallows
- 1 cup (80g) graham crackers, roughly chopped
- Flaky sea salt, for topping (optional)
Instructions
- Begin by browning the butter. In a medium saucepan over medium heat, melt the butter, swirling occasionally. Continue cooking until the butter foams and brown bits form at the bottom, emitting a nutty aroma (about 5-7 minutes). Immediately pour the browned butter into a large mixing bowl and cool for 10 minutes.
- To the cooled brown butter, add both the brown sugar and granulated sugar. Whisk until smooth and glossy.
- Add the eggs, one at a time, whisking until fully incorporated. Stir in the vanilla extract.
- Mix in the sourdough discard until well blended. Scrape down the sides of the bowl as needed.
- In a separate bowl, whisk together the flour, baking soda, and salt. Gradually fold the dry ingredients into the wet mixture with a spatula until just combined - do not over mix.
- Gently fold in the chocolate chips, mini marshmallows, and chopped graham crackers until evenly distributed.
- Cover the dough and chill in the refrigerator for at least 1 hour (preferably overnight) to develop flavor and prevent spreading.
- Preheat the oven to 350°F (175°C) and line two large baking sheets with parchment paper.
- Using a cookie scoop (about 2 tablespoons per cookie), portion dough onto prepared sheet pans, spacing 2 inches apart.
- Bake the cookies for 10-12 minutes, until the edges are golden and the centers appear just set. For extra marshmallow gooeyness, gently press a few extra marshmallows on top halfway through baking.
- Allow the cookies to cool on the sheet for 5 minutes before transferring to a wire rack.
- Sprinkle with flaky sea salt while warm, if desired. Enjoy warm or store in an airtight container for up to 5 days.
Nutritional Information
Sourdough S'mores Cookies with Marshmallows and Brown Butter are a decadent treat, rich in both flavor and satisfaction. Each cookie (based on a batch yielding approximately 24 cookies) contains roughly 180-220 calories, depending on the exact size and additional mix-ins.
With a balanced combination of carbohydrates from flour and sugars, fats from butter and eggs, and a hint of protein, these cookies provide quick energy and a sense of indulgence. Brown butter contributes additional depth to their fat content, offering that signature richness and nutty aroma.
Sourdough starter, although used in moderation, introduces minimal extra calories but does provide trace minerals and some beneficial acids which can help with digestion. Marshmallows and chocolate bring in added sugars, so these cookies are best enjoyed as occasional treats.
The inclusion of graham crackers lends whole grain elements, adding fiber to offset some of the treat's sweetness. While these cookies are not a primary source of vitamins or minerals, the use of quality ingredients and portion control makes them a worthy addition to any special occasion.
Remember, moderation is key - savor these s'mores cookies as part of a balanced lifestyle, enjoying the comforting flavors and textures they offer.
Wine and Beverage Pairings
Pair Sourdough S'mores Cookies with Marshmallows and Brown Butter with rich, creamy beverages to enhance their decadent flavors. Classic choices include an ice-cold glass of milk-whole, oat, or almond for plant-based options.
For adults, a robust hot chocolate spiked with espresso or a nutty flavor works wonderfully with the marshmallow and brown butter notes. Craft beers, particularly stouts or porters, complement the toasted marshmallow and chocolate beautifully.
For wine lovers, a mellow Ruby Port or a silky Cabernet Sauvignon pairs well with the sweet, roasty flavors of the cookie. For a cozy non-alcoholic option, try spiced chai, cinnamon tea, or even cold brew coffee with a touch of vanilla syrup to echo the cookies' campfire magic.
Cooking Tips and Variations
To perfect your Sourdough S'mores Cookies with Marshmallows and Brown Butter, pay close attention to each step. First, don't rush the brown butter process: allow it to turn a deep golden brown and cool sufficiently before mixing. This step enhances the nutty flavor and prevents melting the sugars prematurely.
For best results, use discard sourdough starter that's unfed but not too acidic. Chilling the dough is crucial - it helps control spreading and marries the flavors for a deeper cookie profile. If you prefer extra-gooey pockets, press extra marshmallows and chocolate on top before baking.
Always line your baking sheets with parchment paper, as the melted marshmallows can become sticky and caramelized. For variations, try swapping in dark or milk chocolate chunks, replacing part of the flour with whole wheat for extra heartiness, or adding a sprinkle of cinnamon.
If you wish to make the cookies gluten-free, substitute with a quality 1:1 gluten-free flour blend and gluten-free graham crackers. For a nutty twist, fold in chopped toasted pecans or walnuts. Vegan versions can be achieved by using plant-based butter, egg replacers, vegan marshmallows, and dairy-free chocolate.
Play around with shapes and sizes; for dramatic presentation, scoop large bakery-style cookies and underbake slightly for a molten center.
Serving Suggestions
Sourdough S'mores Cookies with Marshmallows and Brown Butter are best enjoyed slightly warm, when the marshmallows are melty and the chocolate is just beginning to set. For optimal presentation, serve the cookies on a rustic wooden platter lined with parchment or wax paper, evoking the feel of campfire treats.
Offer them alongside other cookies and marshmallows for a fun 'cookie bar' at parties or bake sales. For individualized servings, wrap each cookie in parchment and tie with twine-these make delightful edible gifts.
If serving at a gathering or picnic, stack the cookies in a tiered arrangement and garnish with extra broken graham crackers and chocolate chunks for visual appeal. Accompanying the cookies with small bowls of dipping chocolate or caramel can create a DIY dessert experience.
For added indulgence, sandwich toasted marshmallows and more chocolate between two cookies for a true s'mores-inspired treat. These cookies are wonderful enjoyed alongside hot or iced beverages. Don't be afraid to get creative with serving vessels-mason jars, mini baskets, or even vintage tins all highlight the cozy, nostalgic feel.
Keep leftovers in an airtight container at room temperature for up to five days, or freeze individually for longer storage. To restore that fresh-baked warmth, reheat in a low oven for a couple of minutes before serving.
Health Benefits
While Sourdough S'mores Cookies with Marshmallows and Brown Butter are an indulgent dessert, they offer thoughtful ways to accommodate health-conscious eaters. The use of sourdough discard means you're reducing food waste, while also tapping into the probiotic benefits associated with fermented doughs.
Sourdough starter contains naturally occurring lactic acid bacteria, which can support digestion and help break down gluten, making these cookies potentially more tummy-friendly for those with sensitivities. Brown butter, while rich, offers flavor concentration so you can use less overall fat for the same impact.
Incorporating whole wheat flour or swapping in healthier chocolate options (like 70% dark chocolate) boosts fiber and antioxidant content. Marshmallows, though mostly sugar, can be substituted with homemade versions made with lower-glycemic sweeteners if preferred.
For those aiming to control sugar intake, reducing the sugar by 10-15% in the recipe won't overly compromise texture or taste. Additionally, portion control is straightforward, as these cookies are rich enough that a single serving provides plenty of satisfaction.
Ultimately, enjoy these cookies as a mindful treat, part of a balanced diet and active lifestyle.
Frequently Asked Questions
Yes, you can use either fed or unfed sourdough starter, but discard is preferred for minimal waste. Using a fed starter may produce a slightly softer, airier texture, while discard offers more tang.
To retain gooey marshmallow pockets, fold them gently into the dough and avoid over-mixing. Adding extra marshmallows on top halfway through baking helps maintain their shape and gooey texture.
Absolutely. Portion the dough onto a baking sheet and freeze until solid, then transfer to a zip-top bag. Bake straight from frozen, adding 2-3 minutes to the baking time.
Yes, substitute a quality 1:1 gluten-free flour blend for the all-purpose flour and use gluten-free graham crackers. Ensure all other ingredients are certified gluten-free as needed.
Stored in an airtight container at room temperature, these cookies stay fresh for up to 5 days. For longer storage, freeze baked cookies and reheat before serving.
Sourdough S'mores Cookies with Marshmallows and Brown Butter are the epitome of creative, comforting baking. With layers of texture-chewy centers, crispy edges, gooey marshmallow pockets, and rich chocolate-each bite is reminiscent of classic campfire treats but with a sophisticated, gourmet twist. This recipe not only tackles food waste with sourdough discard but invites bakers to experiment and personalize their creations. Whether you're gathering friends for a cozy evening, sharing nostalgic flavors with family, or simply treating yourself, these cookies guarantee a memorable, mouthwatering experience. Embrace the artistry of sourdough baking while indulging your sweet tooth with every bite.
Ingredients
- 1 cup (227g) unsalted butter
- 1 cup (200g) light brown sugar, packed
- ½ cup (100g) granulated sugar
- 2 large eggs, at room temperature
- ½ cup (120g) unfed sourdough starter (discard is fine), at room temperature
- 1 tablespoon pure vanilla extract
- 2 ⅔ cups (335g) all-purpose flour
- 1 teaspoon baking soda
- ¾ teaspoon fine sea salt
- 1 ¼ cups (220g) semisweet or dark chocolate chips or chunks
- 1 ½ cups (90g) mini marshmallows
- 1 cup (80g) graham crackers, roughly chopped
- Flaky sea salt, for topping (optional)
Instructions
-
1Begin by browning the butter. In a medium saucepan over medium heat, melt the butter, swirling occasionally. Continue cooking until the butter foams and brown bits form at the bottom, emitting a nutty aroma (about 5-7 minutes). Immediately pour the browned butter into a large mixing bowl and cool for 10 minutes.
-
2To the cooled brown butter, add both the brown sugar and granulated sugar. Whisk until smooth and glossy.
-
3Add the eggs, one at a time, whisking until fully incorporated. Stir in the vanilla extract.
-
4Mix in the sourdough discard until well blended. Scrape down the sides of the bowl as needed.
-
5In a separate bowl, whisk together the flour, baking soda, and salt. Gradually fold the dry ingredients into the wet mixture with a spatula until just combined - do not over mix.
-
6Gently fold in the chocolate chips, mini marshmallows, and chopped graham crackers until evenly distributed.
-
7Cover the dough and chill in the refrigerator for at least 1 hour (preferably overnight) to develop flavor and prevent spreading.
-
8Preheat the oven to 350°F (175°C) and line two large baking sheets with parchment paper.
-
9Using a cookie scoop (about 2 tablespoons per cookie), portion dough onto prepared sheet pans, spacing 2 inches apart.
-
10Bake the cookies for 10-12 minutes, until the edges are golden and the centers appear just set. For extra marshmallow gooeyness, gently press a few extra marshmallows on top halfway through baking.
-
11Allow the cookies to cool on the sheet for 5 minutes before transferring to a wire rack.
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12Sprinkle with flaky sea salt while warm, if desired. Enjoy warm or store in an airtight container for up to 5 days.
Approximate Information for One Serving
Nutrition Disclaimers
Number of total servings shown is approximate. Actual number of servings will depend on your preferred portion sizes.
Nutritional values shown are general guidelines and reflect information for 1 serving using the ingredients listed, not including any optional ingredients. Actual macros may vary slightly depending on specific brands and types of ingredients used.
To determine the weight of one serving, prepare the recipe as instructed. Weigh the finished recipe, then divide the weight of the finished recipe (not including the weight of the container the food is in) by the desired number of servings. Result will be the weight of one serving.
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