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Home » Recipes » Desserts

Chocolate Marshmallow Swirl Cookies

Published: Aug 24, 2025 · by Emily.

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There's something magical about pulling a tray of warm chocolate marshmallow swirl cookies from the oven. The way the marshmallows melt into gooey pockets while the rich chocolate dough crisps up at the edges? Absolute perfection. I first fell in love with these cookies when my best friend surprised me with a batch after a rough day - one bite of that fudgy, marshmallow-swirled goodness and I was hooked.

Now these cookies are my go-to when I need to bring smiles to faces (including my own!). They're the perfect balance - deep chocolate flavor with sweet, stretchy marshmallow surprises in every bite. Trust me, once you try this combination, you'll understand why I can never make just one batch!

Chocolate Marshmallow Swirl Cookies - detail 1 this …

Why You’ll Love These Chocolate Marshmallow Swirl Cookies

These cookies are pure happiness in bite-sized form. Here’s why they’ll become your new obsession:

  • That gooey marshmallow swirl makes every bite a sweet, stretchy surprise
  • Rich chocolate dough with just the right balance of fudgy and crisp
  • So easy to make - no fancy skills needed
  • Always the first dessert to disappear at parties (I’ve seen grown adults fight over the last one!)

Seriously, these cookies are little clouds of chocolatey joy that’ll have everyone begging for your recipe.

Ingredients for Chocolate Marshmallow Swirl Cookies

Ingredients for Chocolate Marshm/swirl cookies

  • 1 ¾ cups of flour
  • ½ cup of brown sugar
  • ½ cup of cocoa powder
  • ½ cup of marshmallow fluff
  • ½ cup of brown sugar
  • ½ cup of marshmallow fluff
  • ½ cup of marshmallow fluff
  • ½ cup of marshm

Equipment You’ll Need

Grab these trusty kitchen staples - I bet you already have most of them:

  • Large mixing bowl (my favorite well-loved ceramic one)
  • Electric mixer or sturdy wooden spoon
  • Baking sheet (no fancy pans needed!)
  • Parchment paper (lifesaver for easy cleanup)
  • Scoop or two spoons for portioning
  • Wire rack for cooling

That's it! No special gadgets required for these gooey delights.

How to Make Chocolate Marshmallow Swirl Cookies

Alright, let's get to the good stuff! Making these cookies is honestly so simple - I've had my 8-year-old niece help me before (though she mostly just licked the bowl). Here's exactly how we do it:

  1. First, heat things up - Preheat your oven to 350°F (175°C) and line your baking sheet with parchment paper. This little step saves so much scrubbing later!
  2. Whisk the dry team - In a medium bowl, whisk together the flour, cocoa powder (sift it if it's clumpy!), baking soda, and salt. I like to give it about 30 seconds of whisking to really get them friendly.
  3. Cream the dream team - In a large bowl, beat the butter and both sugars together until they're light and fluffy. This takes about 2-3 minutes with a mixer. You'll know it's ready when it looks like beige clouds.
  4. Bring in the wet crew - Beat in the egg and vanilla until everything's smooth. Don't panic if it looks a bit curdled at first - just keep mixing!
  5. Combine the squads - Gradually add the dry ingredients to the wet, mixing just until no flour streaks remain. Overmixing makes tough cookies, and we want soft, chewy perfection!
  6. Fold in the goodies - Gently stir in the chocolate chips and mini marshmallows. The dough will be thick - that's perfect!
  7. Scoop and bake - Drop tablespoon-sized portions onto your prepared sheet, leaving room to spread. Bake for 10-12 minutes until the edges look set but centers are still soft.
Chocolate Marshmallow Swirl Cookies - detail 2

Swirling the Marshmallow Fluff

Want next-level gooeyness? Right after baking, dollop a teaspoon of marshmallow fluff on each warm cookie and use a toothpick to swirl it in pretty patterns. The heat makes it melt deliciously into every nook and cranny!

Tips for Perfect Chocolate Marshmallow Swirl Cookies

After burning my fair share of marshmallows (oops!), here are my hard-earned secrets for cookie success:

  • Chill sticky dough for 30 minutes if it's too soft to handle - makes scooping so much easier!
  • Give them space - these cookies spread, so leave 2 inches between each
  • More marshmallows? Add them halfway through baking to prevent burning
  • Underbake slightly - they'll firm up as they cool for perfect chewiness
  • Use fresh marshmallows - stale ones won't melt properly

Trust me, these small tweaks make all the difference between good and "oh-my-gosh-give-me-the-recipe" amazing!

Variations for Chocolate Marshmallow Swirl Cookies

The best part about these cookies? You can customize them however you like! Here are my favorite twists:

  • Add chopped walnuts or pecans for crunch
  • Swap semi-sweet chips for dark chocolate - so decadent!
  • Try peppermint or strawberry marshmallows for holiday fun
  • Mix in a teaspoon of instant coffee for mocha flavor
  • Drizzle with melted chocolate after baking for extra drama

Honestly? There's no wrong way to make these cookies - just follow your sweet tooth!

Chocolate Marshmallow Swirl Cookies - detail 3

Storing and Reheating Chocolate Marshmallow Swirl Cookies

These cookies disappear fast in my house, but if you miraculously have leftovers (or hid some from the kids!), here's how to keep them perfect. Store cooled cookies in an airtight container at room temperature - they'll stay fresh for up to 3 days. The marshmallows might lose some gooeyness after day 1, but here's my trick: microwave a cookie for 8-10 seconds to bring back that warm, melty magic. For longer storage, freeze the baked cookies in a ziplock bag - they'll keep for 2 months and taste just-baked after a quick warm-up!

Nutritional Information for Chocolate Marshmallow Swirl Cookies

Now, let's be real - we don't bake these cookies for their health benefits! But if you're curious, here's the scoop (based on standard ingredients - your exact brand choices may vary slightly). Each delicious cookie contains roughly:

  • 150 calories - totally worth it!
  • 12g sugar - mostly from that irresistible marshmallow swirl
  • 6g fat - because butter makes everything better
  • 2g protein - surprise nutrition bonus!

Remember, these are estimates - your batch might differ based on exact ingredients and how generously you swirl that marshmallow!

Frequently Asked Questions

I get asked about these chocolate marshmallow swirl cookies all the time! Here are answers to the questions that pop up most:

  • Can I freeze the dough? Absolutely! Scoop the dough balls onto a tray, freeze until solid (about 2 hours), then transfer to a freezer bag. Bake straight from frozen, adding 1-2 extra minutes.
  • Will large marshmallows work instead of minis? They will, but chop them first! Whole big marshmallows make the cookies spread too much and can burn.
  • Why did my marshmallows disappear? If they melted completely, try adding extra marshmallows halfway through baking or switching to the fluff swirl method.
  • Can I make these without a mixer? Of course! A wooden spoon and some elbow grease work just fine - the dough might be your arm workout for the day.

Still have questions? Ask away in the comments - I love helping fellow cookie lovers!

Share Your Chocolate Marshmallow Swirl Cookies

I'd love to see your cookie creations! Snap a photo of those gorgeous marshmallow swirls and share your baking adventures in the comments below. Did you try any fun variations? Let's swap cookie stories - your tips might inspire someone else's perfect batch!

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Chocolate Marshmallow Swirl Cookies

Chocolate Marshmallow Swirl Cookies


  • Author: Emily01
  • Total Time: 27 minutes
  • Yield: 18 cookies 1x
  • Diet: Vegetarian
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Description

Delicious chocolate cookies with a gooey marshmallow swirl, perfect for a sweet treat.


Ingredients

Scale
  • 1 ¾ cups (220 g) all-purpose flour
  • ½ cup (40 g) unsweetened cocoa powder
  • 1 teaspoon baking soda
  • ¼ teaspoon salt
  • ½ cup (115 g) unsalted butter, softened
  • ¾ cup (150 g) granulated sugar
  • ½ cup (100 g) packed light brown sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • ½ cup (90 g) semi-sweet chocolate chips
  • 1 cup (50 g) mini marshmallows
  • ⅓ cup (60 g) marshmallow fluff (optional)

Instructions

  1. Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
  2. In a bowl, whisk together flour, cocoa powder, baking soda, and salt.
  3. In another bowl, cream butter, granulated sugar, and brown sugar until fluffy.
  4. Beat in the egg and vanilla extract until smooth.
  5. Gradually mix the dry ingredients into the wet ingredients.
  6. Fold in chocolate chips and mini marshmallows.
  7. Scoop dough onto the baking sheet, spacing them evenly.
  8. Swirl marshmallow fluff on top of each cookie (optional).
  9. Bake for 10-12 minutes until edges are set.
  10. Let cool on the baking sheet for 5 minutes before transferring to a wire rack.

Notes

  • Store cookies in an airtight container for up to 3 days.
  • For extra gooeyness, add more marshmallow fluff.
  • If dough is too sticky, chill for 30 minutes.
  • Prep Time: 15 minutes
  • Cook Time: 12 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cookie
  • Calories: 150
  • Sugar: 12g
  • Sodium: 80mg
  • Fat: 6g
  • Saturated Fat: 3.5g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 22g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 20mg

Keywords: chocolate, marshmallow, cookies, dessert, sweet

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Hi, I’m Emily Parker — a professional chef, recipe developer, and the heart behind Homemade Kitchen.

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