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Filed Under: Dessert

Chocolate Marshmallow Swirl Cookies: Recipe, Tips & Baking Guide

June 28, 2025 by chefkiwi Leave a Comment

Chocolate Marshmallow Swirl Cookies: Prepare to embark on a baking adventure that will tantalize your taste buds and leave you craving more! Imagine sinking your teeth into a soft, chewy cookie, the rich chocolate flavor perfectly complemented by the gooey sweetness of melted marshmallows. It’s a symphony of textures and tastes that will transport you to dessert heaven.

While the exact origins of swirling marshmallows into cookies remain a delightful mystery, the combination itself speaks to a timeless love for contrasting flavors and textures. Marshmallows, with their fluffy, cloud-like consistency, have been a beloved treat for generations, often enjoyed around campfires or nestled in steaming mugs of hot chocolate. Pairing them with the deep, comforting notes of chocolate is a natural evolution, a culinary marriage made in dessert paradise.

What makes these Chocolate Marshmallow Swirl Cookies so irresistible? It’s the perfect balance of indulgence and simplicity. The cookies themselves are relatively easy to make, requiring ingredients you likely already have in your pantry. But the addition of the marshmallow swirl elevates them to something truly special. People adore the gooey pockets of melted marshmallow, the way they stretch and pull with each bite. The combination of the slightly crisp edges of the cookie, the soft, chewy center, and the gooey marshmallow swirl is simply divine. Plus, who can resist the visual appeal of those beautiful swirls? They’re as pleasing to the eye as they are to the palate. Get ready to bake a batch of these delightful treats and experience the magic for yourself!

Chocolate Marshmallow Swirl Cookies

Ingredients:

  • 1 cup (2 sticks) unsalted butter, softened
  • ¾ cup granulated sugar
  • ¾ cup packed light brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 ¼ cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1 cup semi-sweet chocolate chips
  • 1 cup mini marshmallows
  • ½ cup marshmallow fluff
  • ¼ cup unsweetened cocoa powder
  • 2 tablespoons milk

Preparing the Dough:

  1. First, let’s cream together the butter and sugars. In a large bowl, or the bowl of your stand mixer, beat the softened butter, granulated sugar, and brown sugar together until light and fluffy. This usually takes about 3-5 minutes. Don’t rush this step; it’s important for the texture of the cookies!
  2. Next, beat in the eggs one at a time, making sure each egg is fully incorporated before adding the next. Then, stir in the vanilla extract. The vanilla really enhances the chocolate flavor, so don’t skip it!
  3. In a separate medium bowl, whisk together the flour, baking soda, and salt. This ensures that the baking soda and salt are evenly distributed throughout the flour, which is crucial for proper leavening and flavor.
  4. Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Be careful not to overmix the dough, as this can lead to tough cookies. Overmixing develops the gluten in the flour, which we want to avoid.
  5. Now, stir in the chocolate chips and mini marshmallows. I like to use a rubber spatula for this step to gently fold them in without crushing the marshmallows.

Creating the Chocolate Marshmallow Swirl:

  1. This is where the magic happens! In a small, microwave-safe bowl, combine the marshmallow fluff, cocoa powder, and milk. Microwave for about 15-20 seconds, or until the marshmallow fluff is melted and the mixture is smooth. Stir well to combine.
  2. Divide the cookie dough in half. Leave one half as is (the vanilla base).
  3. Add the chocolate marshmallow mixture to the other half of the cookie dough. Gently fold it in until it’s evenly distributed, creating a chocolate marshmallow swirl dough. Don’t overmix! We want to maintain the swirl effect.

Chilling the Dough:

  1. This is a crucial step for preventing the cookies from spreading too thin while baking. Cover both bowls of dough with plastic wrap and refrigerate for at least 30 minutes, or up to 2 hours. Chilling the dough allows the butter to solidify, which helps the cookies hold their shape in the oven.

Baking the Cookies:

  1. Preheat your oven to 375°F (190°C). Line baking sheets with parchment paper. Parchment paper prevents the cookies from sticking and makes cleanup a breeze.
  2. Now for the fun part: assembling the swirl cookies! Take a spoonful of the vanilla dough and a spoonful of the chocolate marshmallow dough. Gently press them together and roll them into a ball. You can also gently twist the two doughs together before rolling them into a ball for a more pronounced swirl.
  3. Place the cookie dough balls onto the prepared baking sheets, leaving about 2 inches between each cookie. They will spread a bit during baking.
  4. Bake for 9-11 minutes, or until the edges are golden brown and the centers are set. Keep a close eye on them, as baking times can vary depending on your oven.
  5. Remove the baking sheets from the oven and let the cookies cool on the baking sheets for a few minutes before transferring them to a wire rack to cool completely. This allows them to firm up a bit and prevents them from breaking.

Tips and Tricks for Perfect Swirl Cookies:

  • Don’t overmix the dough: Overmixing develops the gluten in the flour, resulting in tough cookies. Mix until just combined.
  • Chill the dough: Chilling the dough is essential for preventing the cookies from spreading too thin.
  • Use softened butter: Softened butter creams together with the sugar more easily, creating a light and fluffy dough.
  • Don’t overbake: Overbaked cookies will be dry and crumbly. Bake until the edges are golden brown and the centers are set.
  • For a more intense chocolate flavor: Use dark chocolate chips instead of semi-sweet chocolate chips.
  • Add nuts: Chopped walnuts or pecans would be a delicious addition to these cookies.
  • Marshmallow variations: You can use different flavors of marshmallows, such as strawberry or vanilla, for a unique twist.
  • Storage: Store the cookies in an airtight container at room temperature for up to 3 days.
  • Freezing: You can freeze the cookie dough for up to 2 months. Thaw the dough in the refrigerator overnight before baking. You can also freeze the baked cookies for up to 1 month.

Troubleshooting:

  • Cookies are spreading too thin: Make sure you chilled the dough for at least 30 minutes. You may also need to add a little more flour to the dough.
  • Cookies are too dry: Don’t overbake the cookies. Also, make sure you’re using the correct amount of butter and sugar.
  • Cookies are too tough: Don’t overmix the dough.
  • Swirl is not pronounced enough: Be gentle when mixing the chocolate marshmallow mixture into the dough. Overmixing will blend the colors together too much. Also, try twisting the two doughs together before rolling them into a ball.

Variations:

  • Peanut Butter Swirl: Substitute ¼ cup of the butter with peanut butter for a peanut butter swirl.
  • Caramel Swirl: Drizzle caramel sauce over the vanilla dough before adding the chocolate marshmallow dough.
  • Espresso Swirl: Add 1 teaspoon of instant espresso powder to the chocolate marshmallow mixture for an espresso swirl.
  • White Chocolate Swirl: Use white chocolate chips instead of semi-sweet chocolate chips.

Serving Suggestions:

  • Serve these cookies with a glass of cold milk or a cup of hot coffee.
  • They’re also delicious served with a scoop of vanilla ice cream.
  • These cookies make a great gift for friends and family.
  • Pack them in lunchboxes for a sweet treat.
  • Bring them to your next potluck or party.

Nutritional Information (approximate, per cookie):

  • Calories: 200
  • Fat: 10g
  • Saturated Fat: 6g
  • Cholesterol: 30mg
  • Sodium: 100mg
  • Carbohydrates: 25g
  • Sugar: 15g
  • Protein: 2g

Enjoy your delicious Chocolate Marshmallow Swirl Cookies!

Chocolate Marshmallow Swirl Cookies

Conclusion:

These Chocolate Marshmallow Swirl Cookies are truly something special, and I wholeheartedly believe you need to experience them for yourself! From the rich, decadent chocolate dough to the gooey, perfectly toasted marshmallow swirls, every bite is an explosion of flavor and texture that will leave you craving more. They’re not just cookies; they’re a little piece of heaven, guaranteed to brighten any day. The combination of the slightly bitter chocolate and the sweet, almost caramelized marshmallow is simply irresistible.

But what makes these cookies a must-try isn’t just the taste; it’s the experience of making them. The swirling process is surprisingly therapeutic, and the aroma that fills your kitchen as they bake is pure bliss. Plus, they’re a fantastic conversation starter! Imagine serving these at your next gathering – everyone will be begging for the recipe.

And the best part? They’re incredibly versatile! While I’ve shared my go-to recipe, feel free to get creative and experiment with different variations. For a richer, more intense chocolate flavor, try using dark chocolate cocoa powder. If you’re a fan of nuts, add a handful of chopped walnuts or pecans to the dough. For a festive twist, sprinkle some crushed candy canes on top after baking.

Serving suggestions are endless! These cookies are perfect on their own with a cold glass of milk or a warm cup of coffee. You can also crumble them over ice cream for an extra-special dessert. Or, get really adventurous and use them to make ice cream sandwiches! Imagine a scoop of vanilla ice cream nestled between two of these chewy, chocolatey delights.

For a truly decadent experience, try warming the cookies slightly before serving. The marshmallow will become even gooier, and the chocolate will melt in your mouth. You can also drizzle them with a little melted chocolate or caramel sauce for an extra touch of indulgence.

Don’t be intimidated by the swirling technique; it’s much easier than it looks! Just remember to be gentle and patient, and you’ll be rewarded with beautifully marbled cookies that are as stunning to look at as they are delicious to eat. The key is to not overmix the dough once you’ve added the marshmallow mixture. A few gentle swirls are all you need to create that signature marbled effect.

I’m so confident that you’ll love these Chocolate Marshmallow Swirl Cookies that I urge you to give them a try. They’re perfect for any occasion, from a cozy night in to a celebratory gathering. They’re also a wonderful gift for friends and family – who wouldn’t appreciate a batch of homemade cookies?

So, what are you waiting for? Gather your ingredients, preheat your oven, and get ready to embark on a baking adventure. I promise you won’t regret it! And when you do make them, please, please, please share your experience with me! I’d love to hear your feedback, see your photos, and learn about any variations you try. Tag me in your social media posts or leave a comment below. I can’t wait to see your creations! Happy baking! I hope you enjoy this recipe for Chocolate Marshmallow Swirl Cookies as much as I do!


Chocolate Marshmallow Swirl Cookies: Recipe, Tips & Baking Guide

Soft, chewy chocolate chip cookies swirled with marshmallow. A delightful, decadent treat!

Prep Time20 minutes
Cook Time9 minutes
Total Time60 minutes
Category: Dessert
Yield: 24 cookies
Save This Recipe

Ingredients

  • 1 cup (2 sticks) unsalted butter, softened
  • ¾ cup granulated sugar
  • ¾ cup packed light brown sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 2 ¼ cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1 cup semi-sweet chocolate chips
  • 1 cup mini marshmallows
  • ½ cup marshmallow fluff
  • ¼ cup unsweetened cocoa powder
  • 2 tablespoons milk

Instructions

  1. Cream Butter and Sugars: In a large bowl, or the bowl of your stand mixer, beat the softened butter, granulated sugar, and brown sugar together until light and fluffy (3-5 minutes).
  2. Add Eggs and Vanilla: Beat in the eggs one at a time, fully incorporating each before adding the next. Stir in the vanilla extract.
  3. Combine Dry Ingredients: In a separate medium bowl, whisk together the flour, baking soda, and salt.
  4. Combine Wet and Dry: Gradually add the dry ingredients to the wet ingredients, mixing on low speed until just combined. Do not overmix.
  5. Add Chocolate Chips and Marshmallows: Stir in the chocolate chips and mini marshmallows.
  6. Make Chocolate Marshmallow Swirl: In a small, microwave-safe bowl, combine the marshmallow fluff, cocoa powder, and milk. Microwave for 15-20 seconds, or until melted and smooth. Stir well.
  7. Divide Dough: Divide the cookie dough in half. Leave one half as is (vanilla base).
  8. Create Swirl: Add the chocolate marshmallow mixture to the other half of the cookie dough. Gently fold it in until evenly distributed, creating a chocolate marshmallow swirl dough. Do not overmix.
  9. Chill Dough: Cover both bowls of dough with plastic wrap and refrigerate for at least 30 minutes, or up to 2 hours.
  10. Preheat Oven: Preheat your oven to 375°F (190°C). Line baking sheets with parchment paper.
  11. Assemble Cookies: Take a spoonful of the vanilla dough and a spoonful of the chocolate marshmallow dough. Gently press them together and roll them into a ball.
  12. Bake: Place the cookie dough balls onto the prepared baking sheets, leaving about 2 inches between each cookie.
  13. Bake: Bake for 9-11 minutes, or until the edges are golden brown and the centers are set.
  14. Cool: Remove the baking sheets from the oven and let the cookies cool on the baking sheets for a few minutes before transferring them to a wire rack to cool completely.

Notes

  • Don’t overmix the dough.
  • Chill the dough for at least 30 minutes.
  • Use softened butter.
  • Don’t overbake.
  • For a more intense chocolate flavor, use dark chocolate chips.
  • Add chopped walnuts or pecans.
  • Use different flavors of marshmallows.
  • Store in an airtight container at room temperature for up to 3 days.
  • Freeze cookie dough for up to 2 months or baked cookies for up to 1 month.

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