S’mores Cookies

4.96 from 46 votes
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No need to make a campfire! You can make S’mores cookies with crisp edges and chewy centers anytime. Each bite packs crumbled graham crackers, gooey chocolate chips, and toasted marshmallows.

Homemade s'mores cookies on a plate.

Nothing is more fun than gathering around a fire to make S’mores, but it can turn into a hot mess. I used my classic chocolate chip cookie for this summertime recipe and infused it with crispy graham crackers, semi-sweet chocolate chips, and gooey marshmallows. It has the nostalgic campfire taste that you can enjoy all year round.

To complement the toasted marshmallows, I use brown butter to add toffee flavors to the cookie dough. It takes only a few extra minutes but completely transforms the taste. Right before baking, I also add extra bits of topping and a mini marshmallow on top. The surface gets lightly browned, just like roasting the pillowy puffs on a stick.

Ingredients need to make this s'mores cookies recipe.

Brown the butter

When you heat marshmallows, the browned sugar becomes a toffee-like flavor. I add browned butter to the cookie batter base to complement that transformation. The process starts with melting unsalted butter and heating until you smell a nutty butterscotch aroma and see it turn into a golden liquid. 

As the milk solids toast, they add a more complex flavor to the treats. To prevent curdling, stir in a few tablespoons of cold butter to reduce the temperature before adding to the eggs. You can also try this technique in my M&M cookies and chocolate chip pecan cookies.

Recipe Resources

Sugar selection

I use two types of sugar to give the contrast of crispy edges and chewy centers, just like S’mores. Using crystalline granulated sugar preserves the crisp border and structure of the cookie. Dark brown sugar contains molasses for a caramel-like flavor. It also acts as a humectant, attracting moisture so that the centers stay soft after baking.

Mix the brown butter, sugars, and eggs

I use a unique mixing technique to enhance the toffee flavor of the cookie. The sugars and warm butter mix to break down the sucrose into glucose and fructose. These monosaccharides can caramelize at lower temperatures, producing a more delicious cookie in just 10 minutes. 

The eggs add air and richness. It’s essential to mix for 30 seconds, then rest for 3 minutes to let the sugars break down. This process takes place a total of four times. The melted butter creates a decadent and dense cookie instead of a cakey one.

Add the dry ingredients

To add a more robust cinnamon cracker flavor to the cookie, crumble them up and stir them into the flour. I like to keep them chunky for a pronounced taste when bitten. However, you can crush the crackers more finely to infuse the flavor throughout the base. 

Gently stir the dry ingredients into the butter mixture just to hydrate. Overmixing will cause the gluten in the flour to overdevelop and make the cookies tough to eat.

Large bowl of chocolate chips and mini marshmallows.

Chocolate selection

Hershey’s milk chocolate bars are traditionally broken up and used for S’mores. However, when melted in the oven, they lose their form and become unattractive blobs. Instead, I use chocolate chips which are formulated to hold their teardrop appearance. 

They keep their shape while becoming melty in the center. You still get the smore’s effect with a stunning presentation. I prefer dark chocolate like semi-sweet, but you can use milk chocolate chips if you prefer a sweeter taste.

Don’t overdo it with marshmallows

Soft and fluffy mini marshmallows are best to use. When exposed to the cookie surface, the marshmallows melt as they bake, turning into a sugary liquid. As the sugars dissolve and caramelize, you may notice little toffee puddles on the edges. During cooling, the sugar turns brittle for a crispy texture.

With an overabundance of marshmallows in the dough, you’ll lose the shape of the cookie with too much water released as they melt. I add just one marshmallow pressed in the center on top. They will expand and toast.

Mix and chill

Before shaping, refrigerate or freeze the cookie dough. It’s easier to roll into dough balls and prevent spreading. The dough should be between 65 to 70oF (18 to 21oC). It will feel firm.

Portion the cookies

Make dough balls of about 3 tablespoons for crisp edges and soft centers. This size gives a large enough cookie to have contrast from the middle to the sides. For a rustic surface that exposes the chips, break them in half and press them back together. 

I add a few more chocolate chips on top, graham cracker pieces, and one marshmallow in the center. Don’t be tempted to add any more, trust me!

Baking tips

Bake the cookie dough after forming slightly below room temperature for a thick and chewy texture. If making the dough ahead of time, let it sit at room temperature for a few minutes so that the centers are not raw. The cookies bake on a large sheet with parchment paper. 

You don’t want to overcrowd them because they will expand, about 8 on a large tray. Look for the edges to set, with a slightly puffy center, and the marshmallow to be toasted. Let them cool on the tray to finish cooking, and enjoy while still warm.

S'mores cookie split apart showing the gooey filling.

Frequently asked questions

Can I stuff the cookies?

If you want to add a surprise element to the center of the S’mores cookies, you can stuff them with a small piece of graham cracker, a chocolate bar, and about 3 to 4 mini marshmallows, or half of a large one. I would omit the one cup of mini marshmallows from the recipe.

How do you keep marshmallows from melting in cookies?

Any marshmallows that come in contact with the hot pan, like the ones on the edges of the cookie dough, will melt and turn into a toffee-like brittle. Instead, place just one mini marshmallow on top of the cookie dough before baking. It will expand and turn golden brown but will not melt completely.

Can you reheat the cookies?

You have a few options to reheat a batch of S’mores cookies and make them warm and gooey. For single cookies, heat on the high setting in the microwave in 5-second increments until warm. For a large batch, place on a parchment paper-lined sheet pan and heat at 300ºF (149ºC) until warm, about 5 minutes.

A plate with several s'mores cookies stacked on top of each other.

Using pieces of Hershey’s chocolate bar

If you prefer to use a chocolate bar instead of chips, chop it into small pieces to mix into the dough. The bar will melt down instead of keeping its shape due to the extra cocoa butter and fewer emulsifiers and stabilizers. Alternatively, you can place a small rectangular piece of the bar on top, but any engraving will melt. I recommend pressing it into the top of the cookie right out of the oven.

S’mores Cookies

No need to start a campfire! You can make S’mores cookies with crumbled graham crackers, gooey chocolate chips, and toasted marshmallows.
4.96 from 46 votes
Prep Time1 hour
Cook Time20 minutes
Total Time1 hour 20 minutes
Servings 16 servings
Course Dessert
Cuisine American

Ingredients 
 

  • 1 ¾ cup all-purpose flour
  • 1 cup crumbled graham crackers, divided
  • ½ teaspoon baking soda
  • 14 tablespoons unsalted butter, divided
  • ¾ cup packed dark brown sugar
  • ½ cup granulated sugar
  • 1 teaspoon kosher salt
  • 2 teaspoons pure vanilla extract
  • 1 large egg
  • 1 large egg yolk
  • 1 ½ cup semi-sweet or milk chocolate chips, divided
  • 1 cup mini marshmallows, plus more for topping (51g, 1 ¾ ounces)

Instructions 

  • Preheat the Oven – Adjust the oven rack to the middle position. Heat to 375°F (191ºC).
  • Mix the Dry Ingredients – In a medium bowl, whisk together the flour, ¾ cup of graham crackers, and baking soda. Set aside.
  • Brown the Butter – Cut the butter into 14 even-sized pieces. In a medium skillet, melt 10 tablespoons of butter over medium-high heat, swirling to melt evenly. Stir and cook, scraping the bottom of the pan with a spatula, until butter is golden brown and nutty in aroma, 1 to 2 minutes.
    Turn off the heat, and remove the pan from the stove. Stir in the remaining 4 tablespoons of butter until completely melted.
  • Combine the Butter and Sugars – In a stand mixer fitted with the whisk attachment, add the melted butter to the mixing bowl. Add the brown sugar, granulated sugar, salt, and vanilla. Whisk on medium speed (setting 5) until combined, 30 seconds.
  • Mix the Eggs – Add the whole egg and yolk to the mixing bowl. Whisk on medium-high speed (setting 8) until smooth with no sugar lumps remaining, about 30 seconds. Let the mixture stand for 3 minutes.
    Repeat the whisking and resting process three more times: 30-seconds mixing at medium-high speed and 3 minutes of rest. After four total times, the mixture should be thick, smooth, and shiny.
  • Add the Dry Ingredients – Using a rubber spatula or wooden spoon, stir in the flour mixture until just combined, about 1 minute. Stir in 1 ¼ cup chocolate chips and mini marshmallows. Give the dough a final stir to ensure no flour pockets remain.
  • Chill the Dough – Transfer the mixing bowl to the refrigerator for 30 minutes or freezer for 15 minutes, or until the dough firms up, around 65 to 70ºF (18 to 21ºC). The texture should not feel overly sticky.
  • Make Dough Balls – Divide the dough into 16 portions, each about 3 tablespoons (about 60 grams, 2 ounces), and roll into a ball. If the dough starts to warm and get sticky, place it on a sheet tray and refrigerate for 15 minutes.
  • To Enhance the Look – For a rustic appearance, tear the dough balls in half. Press the two halves together with the lumpy torn sides facing upward to expose the chips. Shape the sides of the dough back into a circle.
    Press one marshmallow in the center of each ball, plus some of the remaining ¼ cup of chocolate chips and ¼ cup of crushed graham crackers, so they pop out of the surface.
  • Arrange the Dough – Place at least 2-inches apart on the lined baking sheets, 8 per tray. Smaller baking sheets can be used but will require baking in 3 batches. The dough should be room temperature or just below for even cooking, around 65 to 70ºF (18 to 21ºC).
  • Baking the Cookies – Bake one tray at a time in the center position for 5 minutes, then rotate the baking sheet. Continue to bake until the edges are golden brown and the centers look slightly underdone, about 5 to 7 minutes.
    The color will continue to darken during cooling. Place the baking sheet on a wire rack and cool until they reach room temperature, 20 to 30 minutes. Make sure the oven returns to 375°F (191ºC) before baking the remaining tray.

Notes

  • Make ahead: Cookie dough can be shaped into balls and refrigerated in a resealable plastic bag for up to 1 week or frozen for up to 2 months. Add one marshmallow, chocolate chips, and graham crackers on top before baking.
  • Storing: ​​Baked cookies can be stored in an airtight container at room temperature for 5 days or 3 months in the freezer. Defrost before serving.
  • Reheating: Heat one cookie in the microwave on the high setting in 5-second increments until warm. Alternatively, place multiple cookies on a baking sheet lined with parchment paper, and bake at 300ºF (149ºC) until warm, about 5 minutes.

Nutrition Facts

Serves: 16 servings
Calories 271kcal (14%)Carbohydrates 36g (12%)Protein 2g (4%)Fat 14g (22%)Saturated Fat 8g (40%)Polyunsaturated Fat 1gMonounsaturated Fat 3gTrans Fat 1gCholesterol 41mg (14%)Sodium 191mg (8%)Potassium 33mg (1%)Fiber 1g (4%)Sugar 24g (27%)Vitamin A 321IU (6%)Calcium 15mg (2%)Iron 1mg (6%)

Percent Daily Values are based on a 2000-calorie diet. All nutritional information is based on estimated third-party calculations. Each recipe and nutritional value will vary depending on the brands you use, measuring methods, and portion sizes per household.

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Jessica Gavin

I'm a culinary school graduate, cookbook author, and a mom who loves croissants! My passion is creating recipes and sharing the science behind cooking to help you gain confidence in the kitchen.

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20 Comments Leave a comment or review

  1. V says

    This recipe is very confusing. It calls for one egg, but the photo shows 2 eggs, and egg is always plural in the instructions. I only used 1…hopefully they will turn out ok…if not, trying 2 next time. Also the batter was really tacky. Any tips for getting the batter to not stick to your hands so much when forming the ball of dough? Thanks!

    • Jessica Gavin says

      Hi there! In the recipe, it calls for one large and one egg yolk. Sorry for the confusion! Did you happen to weigh the flour? If it feels super tacky after chilling, then you may need to add a light dusting of flour to help with shaping. Let me know how it goes!

  2. DJ says

    This might be one of my new favorite cookies. On my first batch, some of the marshmallows melted out and caramelized, which is one of the best parts of this cookie, but it made it look so ugly, very unappealing. On a second batch I did the biscuit cutter trick; right out of the oven I quickly used a larger biscuit cutter around the cookie and spun it just a little to reshape them round. That also pushed the puddles of melted marshmallows against the cookie’s edges so the cookie was surrounded by a ring of crunchy caramel after it cooled.

  3. Lisa says

    These cookies were crazy delicious! However, my cookies spread and ended up extremely flat. The dough was pretty cool, less than 65 degrees. Would love to bake them again but I wanted to turn out like yours did in your photos. Any suggestions?

    • Jessica Gavin says

      How did you measure the flour? Sometimes, if you add too little it could cause the cookies to spread. Also, putting too many marshmallows on top causes spread. I only add one.

  4. Whitney says

    This recipe was probably the most complicated glorified chocolate chip cookie recipe I have ever encountered. Like many others, mine spread during cooking.

    • Jessica Gavin says

      I appreciate your feedback! Were the cookies chilled enough? How did you weigh the flour? I usually use dip and sweep, which yields slightly more flour compared to the spoon method.

  5. B.A. says

    My cookies spread quite a bit. When I looked at the metric recipe, it calls for 248g of flour. Generally, a cup of all-purpose flour is 120-128g. Therefore, 1 3/4 cups of flour should be 210-218g. Which version is correct? By the way, the cookies are delicious but didn’t hold their shape at all.

    • Jessica Gavin says

      Thanks for your feedback! I use 142g as my measurement for 1 cup of flour, when I develop my recipes, so it’s on the higher end. I also do the dip and sweep method, which is heavier than the spoon and level method. Did you weigh out the recommended flour amount? I also only put 1 mini marshmallow on top because I’ve found that anymore causes the cookie to spread.

  6. michelle says

    These are delicious but a bit sweet for me, is it possible to reduce the sugar to baker’s percentage of 75%?

    • Jessica Gavin says

      Hi Michelle- Are you thinking of reducing both brown and granulated sugar or just one? I have not tested reducing the amounts, but another reader recently provided feedback that they reduced the sugar and enjoyed the results.

  7. Sarah says

    These were great. I reduced the sugar a little and probably would more, but that’s just my taste. I am curious about the 4x whipping of the eggs butter and sugar, I did it, but I’m not familiar with that method and just wondering if you could share what that does?

    • Jessica Gavin says

      Thanks for your feedback! I use a unique mixing technique to enhance the toffee flavor of the cookie. The sugars and warm butter mix to break down the sucrose into glucose and fructose. These monosaccharides can caramelize at lower temperatures, producing a more delicious cookie in just 10 minutes.

  8. Jess says

    They tasted AMAZING altho I had to add a lot of flour to get them to the right consistency. This could have been error on my part but by the time I got enough flour they were really crumbley. Still a good recipe though!

    • Jessica Gavin says

      Thanks for your feedback! How did you measure the flour? Dip the cup or spoon in the flour? I usually dip the cup, it’s slightly denser that way. But adjust the level of the flour as needed.