The Best Chocolate Marshmallow Cookies – Gooey & Easy

The Best Chocolate Marshmallow Cookies – Gooey & Easy

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Let me tell you about the cookie that changed my mind about marshmallows in baking.

I’ve always been a bit skeptical about putting marshmallows inside cookies. You know that fear? They’ll melt into a sticky puddle, burn into a hard crust, or just disappear entirely. Been there, done that, got the sad baking sheet to prove it.

But these chocolate marshmallow cookies? They’re different. They’re the real deal.

I stumbled into this recipe after a late-night craving for something between a s’more and a fudgy brownie. I wanted gooey. I wanted chocolatey. I wanted that pillowy marshmallow center that stretches when you pull the cookie apart.

Today I’m sharing my foolproof chocolate marshmallow cookies recipe with you. No complicated techniques. No weird ingredients. Just soft, crackly, deeply chocolatey cookies with a golden-toasted marshmallow center and a glossy chocolate drizzle on top.

And the best part? They come together in under 30 minutes (plus a quick chill). Yes, you read that right.

Why These Chocolate Marshmallow Cookies Work

Most marshmallow cookie recipes fail for one simple reason: timing. Add the marshmallows too early, and they melt into nothing. Add them too late, and they don’t get that gorgeous golden toast.

This recipe solves that problem with a two-stage baking method that I’m genuinely proud of.

chocolate marshmallow cookies

First, you bake the chocolate cookie base until it’s just set — about 7 minutes. Then you press half a marshmallow into the center and bake for another 2-3 minutes. The marshmallow puffs up, turns golden on top, and stays gloriously gooey inside.

The result? A cookie that looks like it came from an expensive bakery but tastes like childhood nostalgia wrapped in dark chocolate.

Ingredients for These Chocolate Marshmallow Cookies

Makes 6 large, bakery-style cookies

Wet Ingredients

  • 113 g (1 stick) Unsalted butter: Softened to room temperature. Don’t melt it! Properly softened butter should give slightly when pressed but still hold its shape. If it’s too cold, your dough won’t cream properly. Too warm, and your cookies will spread into flat discs.
  • 1 large egg (about 55 g): Room temperature. Cold eggs can seize the butter and make the dough lumpy.
  • 10 ml (2 tsp) Milk: Whole milk works best for richness, but any milk (even plant-based like oat or almond) will work.
  • 1 tsp Vanilla extract: Pure vanilla extract, not imitation. The difference is noticeable in a simple dough like this. If you only have imitation, use ½ tsp and add a tiny pinch of cinnamon to round out the flavor.

Dry Ingredients

  • 190 g (1½ cups) All-purpose flour: Spoon and level, don’t scoop directly with the measuring cup. Scooping compacts the flour, adding up to 20% extra, and making your cookies dry and dense. For best results, use a kitchen scale.
  • 45 g Unsweetened cocoa powder: Dutch-process gives a deeper, smoother chocolate flavor and darker color. Natural cocoa works too, but the color will be slightly redder and the taste more acidic. If using natural cocoa, add an extra pinch of baking soda to balance.
  • 1 tsp Baking soda: Not baking powder! Baking soda is alkaline and reacts with the acidity in brown sugar and cocoa to create lift. Double-check your label – swapping them is a common disaster.
  • 1 pinch (⅛ tsp) Salt: Fine sea salt is ideal. If using kosher salt, double the amount. If using table salt, use half.
  • 100 g (½ cup) Brown sugar: Packed firmly into the measuring cup. Brown sugar adds moisture, chewiness, and a subtle caramel note thanks to its molasses content.
  • 100 g (½ cup) White sugar: Regular granulated sugar. White sugar promotes crisp edges and helps the cookies spread just enough. Together with brown sugar, it creates that perfect contrast between crispy edges and a soft center.
chocolate marshmallow cookies

Add-ins & Topping

  • 100 g Dark or milk chocolate (divided): Chopped from a bar, not chocolate chips. Chips contain stabilizers that prevent them from melting properly. Chopped chocolate creates beautiful pools and shards throughout your cookies. You’ll use half inside the dough and half for the glossy topping.
  • 10 Large marshmallows (you’ll use 10 halves): Fresh, soft marshmallows work best. Stale marshmallows melt poorly and can become hard. Cut 5 marshmallows in half crosswise (not lengthwise) to get 10 flat, round halves. The cut side melts more evenly and creates that perfect gooey center.

Use good quality chocolate for the topping — it makes a huge difference in shine and snap.

My Recommended Tools

To nail these chocolate marshmallow cookies on your first try, a few tools make life much easier. These are the exact ones I use in my kitchen:

  • Kitchen Scale – Measuring flour and sugar by weight is the #1 way to get consistent cookies. Check price here
  • Cookie Scoop (large, 2-tablespoon size) – Perfect for evenly portioning 6 large dough balls. Check price here
  • Dutch-Process Cocoa Powder – Gives these chocolate marshmallow cookies that deep, rich color and smooth flavor. Check price here
  • Non-Stick Baking Mats – Marshmallows can be sticky. These mats save your baking sheets and make cleanup effortless. Check price here

Step-by-Step Instructions

Step 1: Cream the Butter & Sugars

In a large mixing bowl (or the bowl of a stand mixer with the paddle attachment), combine your softened butter with brown sugar and white sugar.

Beat on medium speed for 2-3 minutes until the mixture looks light, fluffy, and creamy. You’ll know it’s ready when the color has lightened slightly, and you don’t feel any sugar grit when you rub a bit between your fingers.

Don’t rush this step. Proper creaming incorporates air, which helps your chocolate marshmallow cookies stay tender rather than dense.

Step 2: Add Wet Ingredients

Add the egg, milk, and vanilla extract to the butter-sugar mixture.

Mix on low speed until just combined. The mixture might look slightly curdled at first — that’s fine. Keep going for another 10-15 seconds until it comes together into a smooth, glossy batter.

Step 3: Combine Dry Ingredients

In a separate bowl, whisk together:

  • All-purpose flour
  • Cocoa powder
  • Baking soda
  • Salt

Whisking ensures the cocoa powder (which tends to clump) is evenly distributed. Nobody wants a bitter pocket of pure cocoa in their cookie.

Step 4: Bring It All Together

Add the dry ingredients to the wet mixture. Mix on low speed until the flour just disappears. Do not overmix! Overmixing develops gluten, which makes cookies tough instead of tender.

The dough will look dark, thick, and slightly crumbly — that’s exactly right.

Step 5: Fold in the Chocolate

Take half of your chopped chocolate (50g) and fold it into the dough with a spatula. Save the other 50g for the topping later.

Fold gently, just until the chocolate pieces are evenly distributed. You want pockets of melted chocolate throughout your chocolate marshmallow cookies.

Step 6: Portion & Shape the Dough

Divide the dough into 6 equal portions. Each should weigh about 80-90 grams if you’re using a scale.

Here’s the technique: scoop the dough, then gently roll it into a ball between your palms. Don’t squeeze too hard — a light touch keeps the cookies tender.

Easy Chocolate and Marshmallow Cookies

Place the dough balls on a tray lined with parchment paper. Flatten each one slightly with your palm (about 1 cm thick). This helps them bake evenly.

Step 7: Chill the Dough (Don’t Skip This!)

Place the tray in the freezer for 15 minutes. Not the fridge — the freezer.

Why? Chilled dough spreads less in the oven, giving you thick, puffy cookies instead of flat discs. This is especially important for chocolate marshmallow cookies because the marshmallows need a sturdy base to sit on.

If you’re making these ahead, you can freeze the dough balls for up to 2 months. Just add 1-2 minutes to the baking time.

Step 8: Preheat & First Bake

Preheat your oven to 175°C (350°F). Line a baking sheet with parchment paper or a silicone baking mat.

Remove the dough balls from the freezer and place them on the prepared baking sheet, leaving at least 5 cm (2 inches) between them — they will spread.

Bake for 7 minutes. The cookies will look puffed up, slightly cracked on top, and will have spread just a little.

Step 9: Create the Marshmallow Nest

Here’s the secret step that makes these chocolate marshmallow cookies truly special.

Remove the baking sheet from the oven. Take a spoon, the back of a measuring cup, or even a clean glass. Gently press the center of each cookie to create a shallow well.

Don’t press all the way through — just a gentle indent, about 1 cm deep. This gives the marshmallow a place to nestle without sliding off.

Step 10: Add the Marshmallows

Take your large marshmallows and cut 5 of them in half (you’ll use 10 halves total — one half per cookie). Using halves instead of whole marshmallows prevents that “marshmallow avalanche” where the whole thing melts off the cookie.

Place one marshmallow half in the center of each cookie, cut side down. The cut side will melt more evenly, creating that beautiful gooey puddle.

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Step 11: Second Bake

Return the baking sheet to the oven and bake for another 2-3 minutes.

Watch carefully — you want the marshmallows to puff up and turn golden brown on top. This usually happens right around the 2.5-minute mark. The edges should be slightly toasted but not burned.

Every oven is different. Start checking at 2 minutes. The marshmallows can go from golden to burned very quickly.

Step 12: Cool (Be Patient!)

Remove the cookies from the oven and let them cool on the baking sheet for 5 minutes. The marshmallows will deflate slightly — that’s normal.

After 5 minutes, transfer the cookies to a wire rack to cool completely. Don’t skip this step! If you try to drizzle chocolate over warm marshmallows, the chocolate will just slide right off.

Step 13: Make the Tempered Chocolate Topping

This technique is called seeding or tempering — it gives you a glossy, snappy chocolate coating that sets at room temperature.

Take the remaining 50g of chopped chocolate. Melt half of it (25g) in the microwave in 15-second bursts, stirring between each burst, until fully melted and smooth.

Remove from heat and add the other half (25g) of unmelted chopped chocolate. Stir continuously until the unmelted chocolate has completely melted into the warm chocolate. This lowers the temperature and stabilizes the cocoa butter crystals.

The result? Chocolate that hardens with a beautiful shine and a clean snap — no refrigeration needed.

Step 14: Drizzle & Set

Once your chocolate marshmallow cookies are completely cool, drizzle the tempered chocolate over the tops. You can use a spoon, a fork, or a piping bag with a small tip.

Chocolate Marshmallow Cookies

I like to do a zigzag pattern — it looks fancy but takes zero skill.

Let the cookies sit at room temperature for 10-15 minutes until the chocolate is firm and glossy.

My Honest Review After Making These Cookies

Texture: Perfection in every bite. The edges are slightly crisp, the center is soft and fudgy, and the marshmallow is pillowy with a lightly toasted top. The chocolate drizzle adds a satisfying snap.

Flavor: Deep, dark cocoa balanced by sweet vanilla and the caramelized notes of toasted marshmallow. The chopped chocolate inside creates molten pockets that contrast beautifully with the marshmallow.

Difficulty: Easy enough for beginners who can follow instructions. The only potential stumbling block is the marshmallow timing — but that’s why I give you the visual cues.

cookie marshmallow

Would I make them again? I’ve already made these chocolate marshmallow cookies more times than I can count. They’re my go-to for:

  • Kids’ birthday parties (they go crazy for the marshmallow)
  • Holiday cookie exchanges (they stand out from all the standard chocolate chip)
  • Lazy Sunday baking (minimal cleanup, maximum reward)

One thing I changed: The original recipe I found used a full marshmallow per cookie, but I found that half a marshmallow gives you that gooey center without overwhelming the cookie. Full marshmallows tend to melt sideways, creating a sticky mess on your baking sheet.

My Best Tips for Perfect Chocolate Marshmallow Cookies

Tip #1: Cut Your Marshmallows Right

Don’t just slice them in half with a knife — they’ll stick and get mangled. Instead, use kitchen shears (scissors) to snip each marshmallow in half. The cut side stays clean and will melt beautifully.

Alternatively, freeze the marshmallows for 10 minutes before cutting. They’ll slice like butter.

Tip #2: Watch the Second Bake Like a Hawk

Those final 2-3 minutes are critical. The difference between a perfectly toasted marshmallow and a burnt, bitter one is about 20 seconds. Set a timer for 2 minutes, then check every 15 seconds after that.

The ideal marshmallow is:

  • Puffed up about 50% from its original size
  • Golden brown on the top and edges
  • Just starting to show tiny brown spots (not black!)

Tip #3: Don’t Skip the Tempering

If tempering chocolate sounds intimidating, here’s a shortcut: melt the chocolate with 1 teaspoon of coconut oil or cocoa butter. This creates a “glossy coating” that sets at room temperature without true tempering. It won’t have quite the same snap, but it’ll look great and taste delicious.

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Tip #4: Storage & Reheating

These chocolate marshmallow cookies are best eaten within 24 hours — the marshmallow texture changes over time. But if you have leftovers (unlikely), here’s what to do:

  • Room temperature: Store in an airtight container for up to 2 days.
  • Reheating: Pop a cookie in the microwave for 8-10 seconds. The marshmallow becomes gooey again, and the chocolate softens into that fresh-baked state. Heaven.

For longer storage, freeze the unbaked dough balls (before adding marshmallows). When ready to bake, add 2 minutes to the first bake, then proceed with the marshmallow step.

Evaluation

Difficulty: Very beginner-friendly — just watch the timing
Time Investment: ~15 min active, 15 min chill, 10 min bake
Flavor: Deep chocolate + toasted marshmallow = unbeatable
Ingredients Availability: Everything is at a regular grocery store
Overall Recommendation: A must-bake for marshmallow lovers

Variations & Fun Twists

Once you’ve mastered the basic chocolate marshmallow cookies recipe, try these variations:

Salted Caramel Marshmallow Cookies

Add a drizzle of salted caramel sauce before the chocolate topping. The salt cuts through the sweetness beautifully.

Peanut Butter Chocolate Marshmallow Cookies

Replace 2 tablespoons of the butter with creamy peanut butter. Add 50g of chopped peanut butter cups instead of plain chocolate.

recipe of chocolate cookies

Mint Chocolate Marshmallow Cookies

Add ¼ teaspoon of peppermint extract to the wet ingredients. Use dark chocolate for the drizzle.

S’mores Cookies

Press a few crushed graham crackers into the edges of the dough balls before baking. You’ll get that full campfire s’mores experience in cookie form.

Frequently Asked Questions

Yes, but you’ll need to adjust. Use 4-5 mini marshmallows per cookie, clustered together in the center. They melt faster, so reduce the second bake time to 1.5-2 minutes.

This happens when you add them too early (during the first bake) or when you use stale marshmallows. Always use fresh marshmallows and add them only after the first 7 minutes of baking.

Absolutely. Substitute the all-purpose flour with a 1:1 gluten-free baking flour blend. Add ¼ teaspoon of xanthan gum if your blend doesn’t already include it. All other ingredients are naturally gluten-free.

The freezer step is key. Also, right when the cookies come out of the oven, place a large round cookie cutter or a glass over each cookie and gently swirl it in a circular motion. This “scoots” the edges inward, creating perfect circles.

Yes. Double all ingredients. The dough freezes beautifully, so I often make a double batch and freeze half the dough balls for later.

These chocolate marshmallow cookies have officially earned a permanent spot in my baking rotation. They’re the cookies I bring to parties when I want to look like I tried really hard (even though they’re secretly easy). They’re the cookies I make on rainy afternoons when all I want is something warm and chocolatey. They’re the cookies my nephews request every single time they visit.

There’s something magical about that moment when you pull the baking sheet out of the oven and see those golden-topped marshmallows puffed up like little clouds. The way they deflate into a soft, pillowy center as they cool. The way the chocolate drizzle sets into a glossy, crackly shell.

  • To print this recipe, simply click the Print Recipe button on the recipe card below. No extra content — just the recipe.
chocolate marshmallow cookies
Chocolate Marshmallow Cookies
Servings: 6 large cookies
Calories: 560
Total Time: 35 minutes
Rich, fudgy chocolate cookies with a golden-toasted marshmallow center and a glossy chocolate drizzle. Bakery-style gooey perfection in just 35 minutes.
Print Recipe Pin Recipe
Course: Appetizer, Snack
Cuisine: American

INGREDIENTS
  

Wet ingredients

  • 113 g Unsalted butter
  • 1 Large egg
  • 10 ml Milk
  • 1 tsp Vanilla extract

Dry ingredients

  • 190 g All-purpose flour
  • 45 g Unsweetened cocoa powder
  • 1 tsp Baking soda
  • 1 pinch Salt
  • 100 g Brown sugar
  • 100 g White sugar

Add-ins & Topping

  • 100 g Dark or milk chocolate (chopped)
  • 10 Large marshmallow halves

INSTRUCTIONS
 

  • Cream butter, brown sugar, and white sugar on medium speed for 2-3 minutes until light, fluffy, and creamy.
  • Add egg, milk, and vanilla. Mix on low until smooth (the batter may look curdled briefly).
  • In a separate bowl, whisk together flour, cocoa powder, baking soda, and salt.
  • Add dry ingredients to wet mixture. Mix on low just until flour disappears. Do not overmix.
  • Fold in 50g of chopped chocolate (save the other 50g for topping).
  • Divide dough into 6 equal portions (80-90g each). Gently roll into balls, then flatten slightly to about 1 cm thick.
  • Freeze dough balls on a tray for 15 minutes.
  • Preheat oven to 175°C (350°F). Place frozen dough balls on a lined baking sheet, spaced 5 cm apart. Bake for 7 minutes.
  • Remove from oven and gently press the center of each cookie to create a shallow well.
  • Cut 5 large marshmallows in half. Place one half (cut side down) into the well of each cookie.
  • Return to oven and bake for 2-3 minutes until marshmallows are puffed and golden.
  • Cool on baking sheet for 5 minutes, then transfer to a wire rack to cool completely.
  • Melt half of the remaining 50g chocolate. Stir in the other half (unmelted) until smooth (tempering).
  • Drizzle tempered chocolate over cooled cookies. Let sit at room temperature until firm.

NOTES

Watch the second bake closely; marshmallows go from golden to burnt in 20 seconds.
For the glossiest chocolate topping, use the tempering method (melt half, then stir in the rest).
Use kitchen shears to cut marshmallows – they won’t stick or squish.

Now it’s your turn. Are you going to make these chocolate marshmallow cookies this week?

Do you have a favorite marshmallow memory — s’mores by a campfire, Lucky Charms as a kid, or just sneaking marshmallows straight from the bag? Drop a comment below. I’d love to hear your stories.

Recipe credit:
This recipe was inspired by and adapted from the wonderful Ally Cooking. Watch her original video and support her channel here: Ally Cooking’s original video

Transparency notice: 
For educational purposes only. Always consult a healthcare professional before starting any new exercise or diet program.

Source: Unsplash | Pexels

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