Chocolate Marshmallow Cookies

Jul 7, 2020 | Best of Chocolate, Chocolate, Cookies, Father's Day, Marshmallow

Soft, rich Chocolate Marshmallow Cookies with gooey marshmallows inside! Easy to make, only 10 minutes chill time, and freezer-friendly. A must-bake for chocolate lovers. These are the cookies your lunchbox wished it had!

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Chocolate Marshmallow Cookies

If you’ve been on the hunt for the perfect chewy chocolate cookie, this is your sign to stop scrolling and start baking. These Chocolate Marshmallow Cookies are rich, dense and brownie-like, with a soft, gooey marshmallow tucked inside. They’re the kind of cookie that makes you pause mid-bite and go, “Okay… WOW.” Whether it’s a quiet moment with a cup of tea or a sweet surprise tucked into a lunchbox, they hit the chocolate craving perfectly.Stack of chewy chocolate marshmallow cookies with gooey centres and crisp edges, fresh from the oven.

And don’t worry — the marshmallow stays put. No burnt sugar leaks, no weird spreading. These cookies have been my go-to for over 30 years, and they deliver every single time. If you loved my No-Chill Chocolate Chip Cookies, these are like their fudgier, gooier cousin — just as easy, and maybe even better.

❤️ Why You’ll Love This Recipe

  • Rich, brownie-like chocolate cookie with a chewy, gooey marshmallow centre
  • Ready in 25 minutes: 15 minutes to prep, 10 minutes to bake
  • A huge hit with kids — especially when they get to stuff the marshmallows
  • Make-ahead friendly: freeze the dough or baked cookies
  • Perfect for lunchboxes, after-school treats, or chocoholic cravings

Ingredients required to make chocolate marshmallow cookies.📝 Key Ingredients

Dutch Process Cocoa Powder

Smooth and mellow for deep chocolate flavour. Regular cocoa won’t give quite the same richness.

Cake Flour

Lower protein = softer, thicker cookies that help lock in that gooey marshmallow centre.

Brown + White Sugar

A mix of moisture and structure — brown sugar for chewiness, white sugar for crispy edges.

Mini Marshmallows (Frozen)

Frozen marshmallows melt slower, ensuring gooey centres without leaks.

Dark Chocolate Chips

For extra melty chocolate pools in every bite.

Espresso Powder (Optional)

A tiny pinch enhances the chocolate without adding coffee flavour.

🍯 Variations and Substitutions

  • Swap mini marshmallows with marshmallow-stuffed chocolate squares or homemade Rocky Road.
  • Sprinkle sea salt on top before baking for a salty-sweet twist.
  • Add chopped pecans or hazelnuts for crunch.
  • No cake flour? DIY it — remove 3 tbsp plain flour and replace with cornflour.

🥣 Step-by-Step Instructions 

Step 1: Preheat, Prepare and Freeze Marshmallows

Preheat oven to 200°C (180°C fan) / 380°F and line your cookie tray. Freeze your marshmallows now to stop leaks later.

Step 2: Sift the Dry Ingredients

Using a hand whisk, whisk cake flour, Dutch cocoa, baking powder and optional espresso powder together to remove lumps.Sifted dry ingredients to avoid lups.

Step 3: Cream Butter and Sugars

Using a stand mixer and paddle attachment, beat both sugars and softened butter until creamy. This creates the perfect chewy base.Creaming butter with white and brown sugar in a mixing bowl for chocolate marshmallow cookie dough – easy chewy chocolate cookie base recipe.

Step 4: Add Eggs and Vanilla

Next, let’s mix in the eggs and vanilla and beat for about 3 minutes until pale and fluffy.Whisking eggs and vanilla extract into creamed butter and sugar for soft chocolate marshmallow cookies from scratch.

Step 5: Mix Dry Ingredients and Chocolate Chips

Add dry ingredients and chocolate chips to the wet mixture. Mix gently until just combined.  Stop mixing as soon as everything comes together — overmixing here = tough cookies (and nobody wants that).Sifted cocoa powder, flour, and baking soda mixed into wet ingredients for double chocolate cookie dough with gooey marshmallow centers.

Step 6: Chill, Scoop and Stuff

If the dough feels too soft or sticky, chill for about 10 minutes. This will make it easier to handle and help control spreading.

Scoop large balls of dough (I love a big cookie scoop for this job), and make a deep dent in each.

Pop 4–5 frozen mini marshmallows into the centre and gently roll the dough to fully seal them inside. No marshmallow should peek through — lock them in tight!Scooping balls of chocolate cookie dough onto lined baking tray before adding marshmallows – no chill chocolate cookie recipe.

Step 7: Decorate and Bake

For extra bakery-style flair (and gooey-ness), press a few extra chocolate chips on top of each dough ball.

Place them onto your lined baking tray, spacing them well apart. Bake for 10 minutes.

The edges should be set but the middles soft. Remember, they’ll firm up as they cool.

Step 8: Cool and Enjoy

Finally, let cookies cool on the tray for 5 minutes before transferring to a rack. Or… enjoy one warm for max gooeyness!

👩🏼‍🍳 Expert Baking Tips

  • Freeze marshmallows for no leaks.
  • Seal dough completely around marshmallows.
  • Avoid overmixing dough.
  • Bake one tray at a time.
  • Don’t overbake — keep them soft and gooey.
  • Add extra choc chips on top before baking.
  • Optional: use a little espresso powder to enhance chocolate flavour.
 

🫙 Storage Suggestions

  • Store cookies in an airtight container for 2–3 days.
  • Freeze baked cookies for up to 3 months.
  • Freeze unbaked dough balls for anytime cookies. Bake from frozen, adding an extra 1–2 minutes.
Chocolate marshmallow cookie dough balls on baking tray, sealed to prevent marshmallow leaking.

🍽️ Serve With

 

❓ Frequently Asked Questions

Why did my marshmallow leak out? Seal dough completely and use frozen marshmallows.

Can I use regular cocoa powder? Yes, but Dutch cocoa gives a deeper flavour.

Can I make the dough ahead of time? Absolutely — freeze the stuffed dough balls.

Can I use large marshmallows? Yes, cut them smaller to avoid overpowering the cookie.

Can I double the batch? Yes, this recipe doubles beautifully.Homemade chocolate marshmallow cookies ready for lunchboxes or snacks

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📸 Share Your Bake!

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Happy baking,

Sandie x

Chocolate Marshmallow Cookies

A rich and fudgy Chocolate Marshmallow-Filled Cookie that takes just 15 minutes to prep and 8 minutes to bake.
4.80 from 5 votes
Prep Time 15 minutes
Cook Time 10 minutes
Refrigeration 10 minutes
Course Afternoon Tea, Dessert, Snack
Servings 24
Calories 194 kcal

Ingredients
 
 

  • 375 g Cake flour
  • 60 g Dutch processed cocoa
  • tsp Baking powder
  • 200 g White sugar
  • 200 g Brown sugar
  • 2 Large eggs
  • 225 g Unsalted butter room temperature
  • 2 tsp Vanilla extract
  • 340 g Dark chocolate chips
  • 50 g Mini marshmallows frozen

Instructions
 

  • Pre-heat oven to 200°C/390°F or 180 FF
  • In a medium bowl, sift together the flour, cocoa and baking powder
  • In the bowl of a stand mixer, combine the 2 sugars on low speed
  • Add the butter and mix to combine
  • Add eggs and vanilla, then mix on a medium speed, until light and fluffy (approx 3 minutes)
  • Stop the mixer and add the flour mixture, along with the chocolate chips
  • Mix on low speed until just combined
  • Optional: chill the dough for 10 minutes, to make handling easier
  • Using a large ice-cream scoop, scoop out the dough and roll into balls
  • Using your thumb, place a dent into each ball, place 4-5 frozen marshmallows into the dent, then roll to enclose
  • Place cookie dough balls onto a tray lined with baking paper. Leave some space for spreading
  • Bake cookies for 8 minutes, then remove from oven and allow to cool on tray for 2 minutes, before transferring them to a rack to cool.°

Notes

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  • I bake one tray at a time, on a conventional setting.  If using fan-forced, reduce temperature to 180
  • You can freeze some of the cookie dough balls for later -just label a snap-lock bag with the contents and baking instructions.  Defrost only while the oven heats up and add a minute or 2 to the bake time.
  • Store in an airtight container for a few days
  • This is a very stiff and sticky dough, so chilling it for 10-15 minutes before scooping and rolling will save you a lot of mess!
  • Wearing gloves while rolling the cookie dough is recommended

Nutrition

Calories: 194kcalCarbohydrates: 19gProtein: 2gFat: 13gSaturated Fat: 9gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 2gTrans Fat: 0.3gCholesterol: 34mgSodium: 52mgPotassium: 147mgFiber: 1gSugar: 14gVitamin A: 255IUVitamin C: 0.1mgCalcium: 72mgIron: 1mg
Keyword chocolate chip cookie, chocolate cookie, chocolate marshmallow cookies, easy cookie recipe
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