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    Home » Recipes

    Double Chocolate Chunk Marshmallow Cookies

    Updated: December 6, 2022 | Published on: December 6, 2021 - Molly Thompson2 Comments

    Gluten Free RecipesGF
    Jump to Recipe

    Marshmallow cookies never tasted this good! Check out the recipe, with step by step photos, to make this gooey cookie using simple ingredients.

    a stack of marshmallow cookies with the top one broken in half
    Jump to:
    • Ingredient Notes
    • How to Make Marshmallow Cookies
    • FAQs
    • Dietary Modifications
    • Storage Instructions
    • Expert tips
    • More cookie recipes
    • Recipe

    This is a twist on a traditional chocolate chip cookie, but we're adding chocolate to the batter and a few mini marshmallows to make them extra chewy.

    I will forever and always reach for a chocolate chip pudding cookie, but these double chocolate marshmallow cookies may have changed my mind.

    These are also great cookies to add to your Christmas cookie rotation. Not a lot of holiday cookies are chocolate, except for chocolate crinkle cookies. I love how these balance out ginger cookies and traditional cookies like our dairy free sugar cookies.

    Ingredient Notes

    • Unsalted butter: I like to use a quality butter when I'm making cookies because it impacts the flavor so much. We used Tillamook extra creamy butter. Keep reading for modifications for a dairy free option.
    • Granulated sugar: a simple white sugar makes chocolate cookies a little crackly and helps cut into the butter as it beats to create air pockets for thick cookies. Plus it adds all that good sweetness!
    • Brown sugar: brown sugar is essentially white sugar with molasses in it so the extra moisture in the brown sugar is what makes these cookies extra chewy. The molasses in the brown sugar is also acidic and reacts with the baking soda to help them rise.
    • Egg: try to bake with room temperature eggs to help the mixture emulsify easier.
    • Vanilla extract: a pure vanilla extract adds flavor to your cookies.
    • All-purpose flour: this recipe also works well with a 1:1 gluten free flour. Keep reading for our favorite brands in the dietary modifications.
    • Cocoa powder: use a natural cocoa powder (not dutch-process) in this recipe. We want the acidity in the natural cocoa powder to react with the baking soda to help them rise.
    • Baking soda: this is the leaven in the recipe and reacts with the acid in the brown sugar and cocoa powder to help the cookies rise and be thick and chewy.
    • Salt: what goes better together than chocolate and salt?! I love to use a kosher salt for the best flavor. 
    • Semi sweet chocolate chunks: I love the big pools of chocolate chunks in these cookies, but chocolate chips will work too. Do yourself a favor and get a quality chocolate to chop into the dough. We used Ghirardelli and it makes a huge difference.
    • Mini marshmallows: they had so much extra chew and texture the end result of these cookies. And they just look pretty! You can buy Dandies mini marshmallows for a vegan option.
    ingredients for chocolate marshmallow cookies measured out on a table

    How to Make Marshmallow Cookies

    Beat the butter and sugar

    1. Add the butter, granulated sugar and brown sugar to  a large bowl using a hand-held or stand mixer fitted with a paddle attachment. Beat on medium-high speed for 3 minutes, until it's light and fluffy in color.  With the mixer still on, beat in the egg and vanilla extract, scraping down the sides of the bowl as needed.
    butter and sugar beaten together in a bowl
    beat the butter and sugars
    butter, sugar, egg and vanilla beaten together in a mixing bowl
    add the egg and vanilla

    Add the dry ingredients

    1. In a separate bowl, whisk the flour, cocoa powder, baking soda and salt together until combined. Turn the mixer down to low speed and slowly add the dry ingredients into the wet ingredients. This helps prevent the flour from flying everywhere.
    chocolate marshmallow cookie dough in a mixing bowl with a paddle attachment
    beat in the dry ingredients
    chocolate cookie dough stuck to a paddle attachment
    the dough will be sticky

    Mix in the chocolate chunks and marshmallows

    1. Add the chocolate chunks and marshmallows and mix using a rubber spatula to incorporate. The cookie dough will be sticky.

    Chill the dough

    1.  Cover the dough tightly with aluminum foil or plastic wrap and chill for at least 2 hours and up to 3 days. Chilling is mandatory. You could also scoop and freezer the dough at this point (see notes).

    Scoop and bake

    1. Remove the cookie dough from the refrigerator and scoop out 1 tablespoon of dough. Use your thumb to create an indent in the center of each cookie dough. Add 2-3 mini marshmallows in the indent then place another piece of cookie dough on top. Pinch the seams and roll them into a ball. You want it to be taller than it is round. This helps the cookies melt and bake on top of themselves for a thicker cookie.
    2. Arrange the dough 2-3 inches apart on baking sheets lined with parchment paper or silpat mats. Bake the cookies in the oven at 350°F for 11-12 minutes or until the edges appear set and the centers still look soft. Allow the cookies to cool for 5 minutes on the cookie sheet. I like to press a few more chocolate chunks into the tops of the warm cookies at this time Transfer to cooling rack to cool completely.
    marshmallow cookie dough scooped out on a baking sheet
    scoop the cookie dough
    chocolate marshmallow cookie dough 2 inches apart on a baking sheet
    arrange the cookies 2 inches apart

    FAQs

    Why do my marshmallows melt in cookies?

    The high heat melts the sugar in the marshmallows, this is what you want! Think about melted marshmallows in s'mores. The melted marshmallows swirl into the dough and make them look pretty.

    How to add marshmallows to cookies?

    I added the mini marshmallows directly to the cookie dough batter with the chocolate chips. However, you can also add 2-3 marshmallows to the center of the cookie dough and wrap the dough around them to stuff the cookies with marshmallows.

    Can I bake marshmallows in cookies?

    Yes, it's perfectly fine to bake marshmallows in cookies, in fact it adds an extra chewy texture to them!

    Dietary Modifications

    • Gluten free: swap the all-purpose flour for 1:1 gluten free baking flour. We really like Bob's Red Mill 1:1 baking flour or King Arthur's Measure for Measure Gluten Free Flour.
    • Dairy free: use a vegan butter (we like Myokos) instead of traditional butter in the recipe to keep them dairy free. Also make sure to use a dark chocolate so there isn't any milk in the chocolate chunks.
    • Vegan: Follow the same tips for above and also use Dandies vegan mini marshmallows and use a flax egg or 3 tablespoons of Just Egg instead of the one egg in the recipe.
    chocolate chunk marshmallow cookies on a cooling rack with a bowl of mini marshmallows

    Storage Instructions

    • After baking: allow the cookies to cool completely and store them in an airtight container at room temperature for up to 4 days. You can also store them in the fridge for up to 1 week or in the freezer for up to 3 months. Allow them to that
    • Store the cookie dough before baking: you can let this cookie dough chill in the fridge for up to 3 days or freeze them for up to 3 months.
    • How to freeze the cookie dough: roll the dough into the tall balls and place on a baking sheet and then in the freezer. Allow them to freeze solid then transfer them to an airtight freezer bag (we use reusable ones). You can bake them directly from frozen, just add a minute or two to the bake time.

    Expert tips

    • Remove any marshmallow from the bottom of the cookie dough. This ensures they don't melt and make the cookies spread too much.
    • Roll the cookie dough tall into cone shapes rather than balls. They melt and bake on top of themselves and make the cookies thick and chewy.
    • Don't forget to chill! This dough requires at least 2 hours of chill time. If not, you will have a flat cookie. Make them up to 3 months in advance and freeze them for when you're ready to bake.
    • Add extra chocolate chunks on top after they're baked while they're cooling on the pan. This is just for looks, but it makes them look even more irresistible.
    a hand picking up a chocolate chip marshmallow cookie from a pile

    More cookie recipes

    • Gluten free chocolate crinkle cookies
    • Double chocolate peppermint cookies (paleo)
    • Gluten free hot cocoa cookies
    • No bake chocolate oatmeal cookies

    Recipe

    chocolate marshmallow cookies stacked on a cooling rack

    Double Chocolate Chunk Marshmallow Cookies

    Marshmallow cookies never tasted this good! Check out the recipe, with step by step photos, to make this gooey cookie using simple ingredients.
    4.34 from 3 votes
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 15 minutes
    Cook Time: 11 minutes
    Chill Time: 2 hours
    Total Time: 2 hours 26 minutes
    Servings: 16 cookies
    Calories: 174kcal
    Author: Molly Thompson
    Prevent your screen from going dark

    Ingredients

    • 1/2 cup unsalted butter or vegan butter softened to room temperature
    • 1/2 cup granulated sugar
    • 1/2 cup light brown sugar packed
    • 1 large egg room temperature
    • 1 teaspoon pure vanilla extract
    • 1 cup all-purpose flour or 1:1 gluten free flour
    • 1/2 cup natural unsweetened cocoa powder
    • 1 teaspoon baking soda
    • 1/2 teaspoon kosher salt
    • 1 3.5 ounce semi sweet chocolate bar, chopped plus more for topping
    • 1/2 cup mini marshmallows

    Instructions

    • Note: This cookie dough requires at least 2 hours of chilling. The cookies will be thicker the longer they chill (up to 3 days).
    • Add the butter, granulated sugar and brown sugar to a large bowl using a hand-held or stand mixer fitted with a paddle attachment. Beat on medium-high speed for 3 minutes, until it's light and fluffy in color. With the mixer still on, beat in the egg and vanilla extract, scraping down the sides of the bowl as needed.
    • In a separate bowl, whisk the flour, cocoa powder, baking soda and salt together until combined. Turn the mixer down to low and slowly add the dry ingredients into the wet ingredients. This helps prevent the flour from flying everywhere.
    • Add the chocolate chunks and mix using a rubber spatula to incorporate. Cover the dough tightly with plastic wrap and chill for at least 2 hours and up to 3 days. Do not skip this step.
    • Preheat the oven to 350°F and line two large baking sheets with parchment paper.
    • Remove the cookie dough from the refrigerator and scoop out 1 tablespoon of dough. Use your thumb to create an indent in the center of each cookie dough. Add 2-3 mini marshmallows in the indent then place another piece of cookie dough on top. Pinch the seams and roll them into a ball. You want it to be taller than it is round. This helps the cookies melt and bake on top of themselves for a thicker cookie.
    • Arrange the dough 2-3 inches apart on baking sheets lined with parchment paper or silpat mats. Bake the cookies in the preheated oven for 10-12 minutes or until the edges are set and the tops look slightly soft. Cool the cookies for 5 minutes on the cookie sheet. I like to press a few more chocolate chunks into the tops of the warm cookies at this time. Transfer to a wire cooling rack to cool completely.

    Notes

    Storage instructions: allow the cookies to cool completely and store them in an airtight container at room temperature for up to 4 days, in the fridge for up to a week or in the freezer for up to 3 months. 
    Freeze the cookie dough: roll the dough into the tall balls and place on a baking sheet and then in the freezer. Allow them to freeze solid then transfer them to an airtight freezer bag (we use reusable ones). You can bake them directly from frozen, just add a minute or two to the bake time.
    Dairy free option: use a vegan butter (we like Myokos) and make sure to use a dark chocolate so there isn't any milk in the chocolate chunks.

    Nutrition

    Serving: 1cookie | Calories: 174kcal | Carbohydrates: 25.2g | Protein: 2.3g | Fat: 8.3g | Cholesterol: 26.9mg | Sodium: 126.4mg | Fiber: 1.6g | Sugar: 16.9g
    Did you make this recipe?Mention @What_MollyMade or tag #whatmollymade!

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    Reader Interactions

    Comments

    1. Jessy says

      April 07, 2022 at 9:06 pm

      3 stars
      My cookies came out flat and the taste was ok nothing special. Doesn’t look anything like on the photo.

      Reply
      • Molly Thompson says

        April 25, 2022 at 12:39 pm

        Hey Jessy! A couple reasons cookies turn out flat is a result of the temp of your ingredients when you start as well as how you measure, the baking pan you're using and if you had enough time to chill. Cookies are tricky and it can be hard to pinpoint exactly what went wrong. If you provide more info I can try and help troubleshoot. Thanks!

        Reply

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    I'm Molly! I'm so grateful you're here. My hope is that my recipes bless your home and your bodies. I want my website to be a tool to help you feel your best and nourish you with recipes you (and your family) look forward to making!

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