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Home » All Recipes » Cookies

Dark Chocolate S'mores Cookies

Published: Aug 27, 2026 by Marisa Bakes · This post may contain affiliate links ·

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These Dark Chocolate S’mores Cookies take everything you love about a classic s’more and turn it into an extra indulgent cookie. Rich, fudgy dark chocolate cookies are packed with melty chocolate, gooey marshmallows, and crunchy graham cracker pieces for the perfect mix of textures in every bite.

These cookies are similar to my S'mores Cookies but are made with black cocoa to make them extra dark and rich. Both this black cocoa and this black cocoa are great options!

A FEW NOTES BEFORE WE GET STARTED

  • Room Temperature Ingredients:
    • Butter: It’s important that your butter is softened. In a pinch, you can put your butter in the microwave for about 5 seconds on each side, but watch closely to make sure it is just softening and not melting.
    • Eggs: You want to make sure that your eggs are at room temperature to ensure that they are properly incorporated into your batter. If you forget to leave them out before you start baking, place them in a bowl of warm water for about 15 minutes until they become room temperature.
  • Measuring Your Ingredients: I strongly encourage that you use a kitchen scale to measure your ingredients and ensure that you have the most accurate measurements possible.
    • However, if you don’t have a scale on hand and will be using cup measurements, make sure to use the “spoon and sweep” method when measuring to avoid packing in too much of any dry ingredient.
  • Oven Temperature: Make sure to preheat your oven for at least 15 minutes before you start baking.
    • I recommend purchasing an oven thermometer to get to know your oven so you can adjust your baking temperatures accordingly. Some ovens run slightly warmer or colder so its important to know yours to make sure your baked goods come out right.

Preheat oven to 350º F. Whisk the flour, cocoa powder, baking soda, and salt together in a large bowl and set aside. In a stand mixer fitted with a paddle attachment, cream together the butter, sugar, and melted chocolate on medium speed until light and fluffy. Scrape down the sides of the bowl.

Add eggs one at a time, followed by the vanilla extract. With the mixer on low, slowly add the flour mixture and mix until smooth, scraping down the sides of the bowl as needed.

Stir in most of the marshmallows and chocolate chips, making sure to save the rest for the tops of the cookies.

Using a 2 tablespoon scoop, form cookies into balls and place each cookie on a parchment lined cookie sheet.

Add remaining marshmallows and chocolate chips to the tops of the cookies. Do your best to make sure the marshmallows stay as close to the tops of the cookies as possible. If they are on the bottoms or sides of the cookies they will melt.

Place each cookie a few inches apart on a parchment lined baking sheet. Sprinkle ground graham crackers over each cookie

Bake for 10-11 minutes or until cookies are firm around the edges. Let the cookies cool for about 10 minutes on the baking sheet before carefully moving them to a cooling rack. Enjoy!

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    Dark Chocolate S'mores Cookies

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    These Dark Chocolate S’mores Cookies take everything you love about a classic s’more and turn it into an extra indulgent cookie. Rich, fudgy dark chocolate cookies are packed with melty chocolate, gooey marshmallows, and crunchy graham cracker pieces for the perfect mix of textures in every bite.

    • Author: Marisa Guerra

    Ingredients

    Dark Chocolate S'mores Cookies

    • 270 grams (2 ¼ cups) flour
    • 21 grams (¼ cup) black cocoa powder
    • ¾ tsp baking soda
    • ¼ tsp salt
    • 4 oz (½ cup) unsalted butter, softened
    • 247 grams (1 ¼ cup) sugar
    • 4 oz bittersweet chocolate, melted
    • 2 eggs
    • 1 tsp vanilla
    • 22 grams (½ cup) mini marshmallows
    • 85 grams (½ cup) chocolate chips
    • ½ cup ground graham crackers (about four whole graham crackers)

    Instructions

    1. Preheat oven to 350º F.
    2. Whisk the flour, cocoa powder, baking soda, and salt together in a large bowl and set aside.
    3. In a stand mixer fitted with a paddle attachment, cream together the butter, sugar, and melted chocolate on medium speed until light and fluffy. Scrape down the sides of the bowl.
    4. Add eggs one at a time, followed by the vanilla extract.
    5. With the mixer on low, slowly add the flour mixture and mix until smooth, scraping down the sides of the bowl as needed.
    6. Stir in most of the marshmallows and chocolate chips, making sure to save the rest for the tops of the cookies.
    7. Using a 2 tablespoon scoop, form cookies into balls and place each cookie on a parchment lined cookie sheet.
    8. Add remaining marshmallows and chocolate chips to the tops of the cookies. Do your best to make sure the marshmallows stay as close to the tops of the cookies as possible. If they are on the bottoms or sides of the cookies they will melt.
    9. Place each cookie a few inches apart on a parchment lined baking sheet. Sprinkle ground graham crackers over each cookie
    10. Bake for 10-11 minutes or until cookies are firm around the edges.
    11. Let the cookies cool for about 10 minutes on the baking sheet before carefully moving them to a cooling rack.
    12. Enjoy!

    Did you make this recipe?

    Tag @marisabakes on Instagram and hashtag it #marisabakesblog

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    Hi! I'm Marisa and welcome to Marisa Bakes where we're all about baking fun and delicious dessert recipes.

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