Chocolate Marshmallow Swirl Cookies Recipe for a Sweet Treat

Highlighted under: Baking & Desserts

Indulge in the delightful combination of rich chocolate and fluffy marshmallow with these irresistible swirl cookies.

Olivia Hayes

Created by

Olivia Hayes

Last updated on 2025-12-18T13:35:32.060Z

These Chocolate Marshmallow Swirl Cookies are a delightful treat that combines the rich flavor of chocolate with the light, airy sweetness of marshmallows. Perfect for any occasion!

Why You Will Love These Cookies

  • Rich chocolate flavor paired with fluffy marshmallow swirls
  • Chewy texture with a hint of crispiness
  • Perfect for sharing at parties or enjoying as a sweet treat

The Perfect Balance of Flavors

These Chocolate Marshmallow Swirl Cookies offer an exceptional balance of flavors that will tantalize your taste buds. The rich, deep chocolate flavor forms a perfect foundation, while the fluffy marshmallow swirls add a delightful sweetness that contrasts beautifully with the cocoa. Each bite delivers a harmonious blend of textures and tastes that makes these cookies stand out from traditional varieties.

The combination of chocolate and marshmallow is timeless, evoking feelings of nostalgia for many. Whether you’re a chocolate lover or a fan of sweet treats, these cookies provide a unique twist that is sure to satisfy your cravings. They are perfect for any occasion, from casual family gatherings to festive celebrations.

Texture and Enjoyment

One of the standout features of these cookies is their delightful texture. The outer edges provide a satisfying slight crispiness, while the interior remains chewy and soft. This contrast makes each cookie a pleasure to eat, inviting you to indulge in just one more. The unexpected marshmallow swirls add an extra layer of fun, creating a gooey surprise that enhances the overall experience.

These cookies are not just a treat for your taste buds; they also offer visual appeal. The swirls of chocolate syrup and mini marshmallows create a beautiful marbled effect that is sure to impress. Perfect for sharing at parties, they will not only satisfy sweet cravings but also serve as a stunning dessert centerpiece.

Baking Tips for Success

To achieve the best results with your Chocolate Marshmallow Swirl Cookies, be sure to measure your ingredients accurately. Baking is a science, and even small discrepancies can impact the final product. For the best texture, allow your butter to soften at room temperature and ensure that your eggs are at room temperature before mixing them into the dough.

Additionally, keep an eye on the baking time. Every oven varies slightly, so check your cookies a minute or two before the suggested time. You want them to be set around the edges but still soft in the center, as they will continue to cook slightly after being removed from the oven. Letting them cool on the baking sheet for a few minutes will help them firm up just right.

Ingredients

For the Cookies

  • 1 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 1 cup brown sugar, packed
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 3 cups all-purpose flour
  • 1 cup cocoa powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1 cup chocolate chips

For the Marshmallow Swirl

  • 1 cup mini marshmallows
  • 1/4 cup chocolate syrup

Instructions

Prepare the Dough

In a large bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla extract.

Mix Dry Ingredients

In a separate bowl, whisk together the flour, cocoa powder, baking soda, and salt. Gradually add the dry ingredients to the wet mixture and mix until combined. Fold in the chocolate chips.

Add Marshmallow Swirl

In a small bowl, combine the mini marshmallows and chocolate syrup. Gently fold this mixture into the cookie dough, creating swirls but being careful not to overmix.

Bake the Cookies

Preheat your oven to 350°F (175°C). Drop rounded tablespoons of dough onto a lined baking sheet, spacing them about 2 inches apart. Bake for 10-12 minutes or until the edges are firm.

Let cool on the baking sheet for a few minutes before transferring to wire racks to cool completely.

Storing Your Cookies

To keep your Chocolate Marshmallow Swirl Cookies fresh and delicious, store them in an airtight container. They can typically last up to a week at room temperature. For longer storage, consider freezing them. Place the cookies in a single layer in a freezer-safe bag or container, and they can last for up to three months. When you're ready to enjoy them, simply let them thaw at room temperature or warm them slightly in the oven for that fresh-baked taste.

If you're concerned about the marshmallows becoming hard, you can add a slice of bread to the container. This will help maintain moisture and keep the cookies soft. Just be sure to replace the bread every few days to ensure it stays fresh.

Variations to Try

Feel free to get creative with your Chocolate Marshmallow Swirl Cookies! You can substitute different types of chocolate chips, such as white chocolate or peanut butter chips, to create unique flavor combinations. Adding a sprinkle of sea salt on top before baking enhances the chocolate flavor even further and adds a delightful contrast.

For a fun twist, consider mixing in nuts or dried fruit. Chopped walnuts or pecans can add a delightful crunch, while dried cherries or cranberries can introduce a burst of tartness that complements the rich chocolate. The options are endless, so let your taste preferences guide you in making these cookies your own.

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Questions About Recipes

→ Can I use regular marshmallows instead of mini marshmallows?

Yes, but you may want to cut them into smaller pieces for better distribution in the dough.

→ How should I store the cookies?

Store the cookies in an airtight container at room temperature for up to a week.

→ Can I freeze the cookie dough?

Yes, you can freeze the cookie dough for up to 3 months. Just thaw in the refrigerator before baking.

→ What can I substitute for butter?

You can use coconut oil or a dairy-free butter substitute to make these cookies dairy-free.

Chocolate Marshmallow Swirl Cookies Recipe for a Sweet Treat

Indulge in the delightful combination of rich chocolate and fluffy marshmallow with these irresistible swirl cookies.

Prep Time20 minutes
Cooking Duration10 minutes
Overall Time30 minutes

Created by: Olivia Hayes

Recipe Type: Baking & Desserts

Skill Level: Intermediate

Final Quantity: 24 cookies

What You'll Need

For the Cookies

  1. 1 cup unsalted butter, softened
  2. 1 cup granulated sugar
  3. 1 cup brown sugar, packed
  4. 2 large eggs
  5. 1 teaspoon vanilla extract
  6. 3 cups all-purpose flour
  7. 1 cup cocoa powder
  8. 1 teaspoon baking soda
  9. 1/2 teaspoon salt
  10. 1 cup chocolate chips

For the Marshmallow Swirl

  1. 1 cup mini marshmallows
  2. 1/4 cup chocolate syrup

How-To Steps

Step 01

In a large bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy. Beat in the eggs one at a time, then stir in the vanilla extract.

Step 02

In a separate bowl, whisk together the flour, cocoa powder, baking soda, and salt. Gradually add the dry ingredients to the wet mixture and mix until combined. Fold in the chocolate chips.

Step 03

In a small bowl, combine the mini marshmallows and chocolate syrup. Gently fold this mixture into the cookie dough, creating swirls but being careful not to overmix.

Step 04

Preheat your oven to 350°F (175°C). Drop rounded tablespoons of dough onto a lined baking sheet, spacing them about 2 inches apart. Bake for 10-12 minutes or until the edges are firm. Let cool on the baking sheet for a few minutes before transferring to wire racks to cool completely.

Nutritional Breakdown (Per Serving)

  • Calories: 150 kcal
  • Total Fat: 7g
  • Saturated Fat: 4g
  • Cholesterol: 30mg
  • Sodium: 50mg
  • Total Carbohydrates: 21g
  • Dietary Fiber: 1g
  • Sugars: 10g
  • Protein: 2g