Oreo S’mores Cookies

A Sweet Memory That Sparked My Love for Oreo S’mores Cookies

Recipe Guide

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I still remember the summer nights spent with my cousins at my grandma’s house — sticky fingers, melted chocolate, and roasted marshmallows squished between graham crackers. One day, I had this wild idea: “What if I put all this inside a cookie?” Years later, here we are. This Oreo S’mores Cookies recipe was born from pure nostalgia, and it never fails to bring back those cozy campfire vibes. If you’ve been craving a dessert that hits all the right notes — crunchy, gooey, rich, and chewy — this is the one.

What Are Oreo S’mores Cookies?

The Genius Behind the Mashup – Cookies, Oreos, and S’mores Combined

Oreo S’mores Cookies are the kind of hybrid dessert that makes you pause after the first bite — soft, chewy cookie dough packed with chocolate chips, chunks of Oreo, crunchy graham crackers, and gooey toasted marshmallows. It’s basically the best of three worlds: a classic cookie, a campfire s’more, and your favorite sandwich cookie — all rolled into one handheld treat.

What makes these cookies irresistible isn’t just the sugar rush. It’s the texture play. Every bite offers something: crisp edges, chewy centers, and that perfect marshmallow stretch. When I first made them, I wasn’t trying to go viral on Pinterest or get thousands of likes. I was just trying to recreate a campfire memory — and the result was magic.

Don’t miss our best s’mores cookies recipe for another decadent variation you might love.

What Makes Oreo S’mores Cookies So Special Compared to Regular Cookies?

You might wonder, “Aren’t these just cookies with extra stuff thrown in?” Not exactly. Oreo S’mores Cookies are a carefully layered dessert. Unlike traditional chocolate chip cookies, these are:

The real trick? Timing the marshmallows just right so they toast — not melt — into puddles of sweet softness. The Oreo pieces, on the other hand, crisp up beautifully in the oven, providing the ultimate contrast to that buttery cookie base.

Discover great ideas like Oreo poke cake if you’re looking to explore even more indulgent Oreo treats.

Oreo S’mores Cookies

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These gooey, chewy Oreo S’mores Cookies are the ultimate dessert mashup—loaded with chocolate chips, marshmallows, graham crackers, and crushed Oreo pieces. Perfect for summer nights, parties, or anytime you need a comforting, nostalgic treat.

• Total Time: 1 hour 30 minutes
• Yield: 16–18 cookies

Ingredients

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• 2 ¼ cups all-purpose flour

• 1 tsp baking powder

• ½ tsp kosher salt (or ¼ tsp table salt)

• 1 cup unsalted butter, room temperature

• ¾ cup dark brown sugar, packed

• ½ cup granulated sugar

• 2 large eggs, room temperature

• 1 ½ tsp vanilla extract

• 1 cup semi-sweet or dark chocolate chips

• 1 cup crushed graham crackers (not powdered)

• 1 cup chopped Oreo cookies (about 10–12 Oreos)

• 1 ½ cups regular marshmallows, halved

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Instructions

1. Preheat & Prep

• Preheat oven to 350°F (177°C).

• Line a baking sheet with parchment paper.

2. Combine Dry Ingredients

• In a medium bowl, whisk together flour, baking powder, and salt. Set aside.

3. Cream Butter and Sugars

• In a large bowl or stand mixer, cream butter, brown sugar, and granulated sugar for 5 full minutes until light and fluffy.

4. Add Eggs & Vanilla

• Beat in eggs, one at a time, then add vanilla extract and mix until smooth.

5. Fold in Dry Ingredients

• Slowly add the flour mixture and mix on low until just combined.

6. Add Mix-ins

• Gently fold in chocolate chips, graham cracker pieces, and Oreo chunks until evenly distributed.

7. Chill the Dough

• Cover and chill the dough in the refrigerator for at least 1 hour (or overnight for best flavor and texture).

8. Scoop & Bake

• Scoop 2-tbsp portions of dough and place on the lined baking sheet, spaced 2 inches apart.

• Bake for 8–9 minutes.

9. Add Marshmallows

• Quickly remove cookies, press marshmallow halves on top, then return to oven for 2–3 more minutes until gooey and just golden.

10. Cool & Enjoy

• Let cookies rest on the baking sheet for 5 minutes, then transfer to a wire rack to cool fully.

Notes

• Don’t skip chilling the dough—this keeps cookies thick and chewy.

• Use regular-sized marshmallows cut in half; mini marshmallows melt too quickly.

• Store at room temperature in an airtight container for up to 5 days.

• Freeze unbaked dough balls for up to 3 months and bake as needed.

• Author: Evelyn
• Prep Time: 15 minutes
• Chill Time: 1 hour
• Cook Time: 12 minutes
• Category: Dessert
• Method: Baking
• Cuisine: American
• Diet: Vegetarian

Ingredients Breakdown for Oreo S’mores Cookies

The Role of Every Ingredient: From Flour to Graham Cracker Crumbs

Every element in Oreo S’mores Cookies serves a purpose — it’s not just about taste; it’s about texture, chemistry, and balance.

Let’s break it down:

• All-purpose flour: Forms the base of the dough, giving structure. Avoid overmixing it to maintain tenderness.
• Baking powder: Helps the cookies rise slightly, keeping them soft and pillowy rather than flat.
• Kosher salt: Enhances flavor and balances sweetness. If using table salt instead of kosher, cut the amount in half to prevent over-salting.
• Unsalted butter (room temperature): A key for proper creaming. Room temperature butter traps air during mixing, giving the cookies lightness and loft.
• Dark brown sugar: Rich in molasses, it gives the Oreo S’mores Cookies a deeper, chewier bite compared to white sugar.
• Eggs (room temp): Add moisture and help bind the dough.
• Vanilla extract: Enhances and rounds out all the other flavors.
• Chocolate chips: Use semi-sweet or dark to balance the marshmallow sweetness. Chunks also work beautifully for melted pools of chocolate.
• Graham crackers: Crushed but not powdered. They add nostalgic crunch and a subtle nutty flavor.
• Marshmallows: Add them only in the final 2–3 minutes of baking. This keeps them from melting too soon and gives that Instagram-worthy pull.
• Oreo pieces: The crispy element that takes these cookies from “good” to “unreal.” Their deep chocolate flavor complements the soft center perfectly.

This isn’t just a cookie. It’s a symphony of contrast — chewy, crisp, soft, gooey.

Looking for inspiration? Try our Matilda-inspired chocolate cake if you’re craving something even more chocolate-heavy.

Choosing the Right Oreo, Chocolate Chips, and Marshmallows

While classic Oreos are the go-to, don’t be afraid to experiment. Here are some flavor tips:

If you’re going wild, try Birthday Cake Oreos for a sweeter variation — but balance it by reducing brown sugar slightly.

Check out our Oreo Cookie Cake for another rich dessert layered with cookie goodness.

How to Make Oreo S’mores Cookies Step-by-Step

Preparing the Dough Like a Pro (Room Temperature Ingredients Matter)

To make truly irresistible Oreo S’mores Cookies, you’ve got to treat the dough like it matters — because it does. Here’s how to nail the prep every time:

1. Let your butter and eggs come to room temperature.
This step isn’t just for fun. Room temperature butter traps more air during creaming, giving you a lighter, fluffier dough. Same goes for eggs — they mix better and help create a smoother batter.

2. Cream the butter and sugars (especially dark brown sugar) for a full 5 minutes.
Yes, five whole minutes. Don’t rush it. This aerates the dough and gives your Oreo S’mores Cookies that perfect chew.

3. Mix dry ingredients separately.
In another bowl, whisk together the flour, baking powder, and salt (use Diamond Crystal kosher salt if you can). This helps ensure even distribution when combined.

4. Fold in your mix-ins.
Add chocolate chips, graham cracker chunks, and chopped Oreos gently so you don’t crush them into powder. This is where the magic lives — you want every bite to have texture and layers.

Looking for inspiration? Try lemon raspberry cookies for another tangy twist on chewy cookies.

Baking, Timing & The Secret Marshmallow Add-In Trick

The oven can make or break your Oreo S’mores Cookies — especially when it comes to the marshmallows.

Here’s the foolproof bake method:

Why wait to add marshmallows?
Most recipes toss them in from the start — big mistake. They melt into puddles and burn. But if you bake the dough 90% first, then top with marshmallows and return to the oven, you’ll get a golden, gooey pull with zero mess.

Bonus Tip: If your cookies look too golden too soon, take them out early, add marshmallows, and finish baking. That’s how you protect their structure and avoid overbaking.

Don’t miss our pineapple upside-down cookies for another creative cookie bake that plays with caramelized textures.

Tips and Tricks for Perfect Oreo S’mores Cookies Every Time

Why You Should Never Skip Creaming or Chilling

Want those bakery-style Oreo S’mores Cookies with gooey centers and crisp edges? It all starts before they hit the oven. Here’s what I learned (the hard way) after countless test batches:

Creaming matters — a lot.
Be patient when mixing the room temperature butter with brown sugar. A proper 5-minute creaming aerates the dough. Skip it, and your cookies might bake up flat and oily. The butter needs time to emulsify and incorporate air.

Chilling isn’t optional.
Chill the dough for at least 1 hour. Overnight is even better. Why? Because chilling:

• Helps hydrate the flour
• Intensifies flavor
• Limits spreading
• Keeps those marshmallows and Oreos from melting too soon

Pro tip: After scooping your dough into balls, place them in the fridge on a lined baking sheet. This helps maintain the perfect shape when baking.

Check out our blog section for more baking science tips and kitchen tricks like these.

How to Prevent Overspreading and Achieve Gooey Perfection

Overspreading is the #1 enemy of s’mores-style cookies. Here’s how to avoid it:

• Use parchment paper — never grease your baking sheet. Grease causes extra spread.
• Bake cold dough — warm dough bakes faster on the edges and collapses in the center.
• Add marshmallows late — wait until the last 2-3 minutes of baking to place them on top.

Still getting flat cookies? It could be your butter. Some brands with higher water content cause the dough to spread. Try switching to a high-fat, European-style butter for richer, more stable cookies.

Don’t miss our guide on Oreo dessert recipes if you’re looking to expand your baking collection with similar showstopping treats.

How to Store, Freeze & Reheat Oreo S’mores Cookies

Airtight Storage Tips: Room Temp vs Fridge

Once you’ve made a batch of Oreo S’mores Cookies (and somehow haven’t eaten them all at once), you’ll want to keep them fresh and gooey as long as possible. Here’s how:

• Room Temperature: Store them in an airtight container at room temp for up to 5 days.
• Layer with parchment paper if stacking, to avoid sticky tops from marshmallows sticking together.
• Avoid the fridge! It dries out the cookies and dulls their soft texture.

For best results, place a slice of white bread or a marshmallow in the container with your cookies — it helps maintain moisture without changing the flavor.

Freezing Dough vs Freezing Baked Cookies

If you want to prep ahead or make cookie dough in bulk (which I strongly recommend), freezing is your best friend.

To bake frozen cookie dough:

• Thaw for 15 minutes at room temp
• Bake as directed, adding 1–2 extra minutes

To reheat frozen cookies:

• Let thaw naturally
• Warm in a preheated oven at 300°F (150°C) for 4–5 minutes for that fresh-out-of-the-oven texture

This make-ahead option is ideal for holidays, parties, or anytime that Oreo S’mores Cookies craving strikes.

Learn more about freezing hacks from our other sweet treats that hold up just as beautifully in storage.

Oreo S’mores Cookies and Health Considerations

Nutritional Info and Sugar Content

Let’s be honest — Oreo S’mores Cookies aren’t exactly diet food. But understanding what’s in them helps you enjoy them with intention.

On average, one large Oreo S’mores Cookie contains:

The sugar content is the main thing to watch out for, especially if you’re baking for kids or sensitive diets.

While these cookies are indulgent, they’re made with whole ingredients — butter, eggs, chocolate — and no processed preservatives if baked from scratch. That’s a major plus compared to store-bought snacks.

Want to go deeper? You can explore more on the nutritional values of s’mores ingredients via USDA’s FoodData Central and learn more about the history of s’mores on Wikipedia.

How to Make a Healthier Version (Optional Ingredient Swaps)

You can absolutely make Oreo S’mores Cookies with a little less guilt and a lot more balance. Try these simple swaps:

The flavor stays bold, but you’ll feel lighter after snacking. Win-win!

And if you’re going for keto or paleo tweaks, try almond flour and sugar-free chocolate chips — just note, texture will differ.

Creative Variations of Oreo S’mores Cookies

Stuffed Versions, Mini Cookies, or Brownie-Based

Once you’ve mastered the classic Oreo S’mores Cookies, the fun doesn’t stop — it just begins. There are endless ways to remix this base recipe depending on your mood, event, or sweet tooth level.

1. Stuffed Marshmallow Center:
Want drama in every bite? Wrap cookie dough around a single marshmallow to create a gooey, melty center surprise. You’ll want to chill the dough longer so it doesn’t burst in the oven.

2. Brownie S’mores Cookies:
Swap your base with a rich, fudgy brownie dough and add Oreos + marshmallows on top. These are thicker, denser, and perfect for true chocolate lovers.

3. Mini S’mores Cookies:
Use a teaspoon-sized scoop to make bite-sized cookies. Ideal for kids’ parties or snacking. Bake for just 6–7 minutes to keep them soft.

4. Bar Cookie Version:
Press your dough into a pan and bake as a tray. Add extra Oreos and marshmallows on top. Cool fully and slice into squares for the ultimate s’mores cookie bars.

Looking for inspiration? Try our Tasty Peach Cobbler Cookies — another soft, twistable treat you can adapt for parties.

Kid-Friendly and Party Ideas with This Cookie Base

Oreo S’mores Cookies already feel like a celebration, but here’s how to take it even further:

• S’mores Cookie Sandwiches: Pair two cookies with marshmallow fluff or Nutella in the middle. Messy? Yes. Worth it? Absolutely.
• Holiday Variations: Add crushed peppermint for Christmas, pastel marshmallows for Easter, or food coloring in the dough for Halloween themes.
• Dip-and-Decorate Station: For parties, set up a table with melted chocolate, mini Oreos, sprinkles, and toppings for guests to decorate warm cookies.
• Gift Wrap Ready: Stack a few cookies in a clear bag, tie with ribbon, and you’ve got the ultimate homemade gift.

No matter how you serve them, these variations bring the nostalgic comfort of Oreo S’mores Cookies with just enough flair to impress anyone.

Common Mistakes and How to Avoid Them

Why Marshmallows Melt Too Fast (and How to Fix It)

One of the biggest frustrations when baking Oreo S’mores Cookies? Watching your marshmallows completely vanish into goo before the cookies are even done. Here’s why it happens — and how to fix it:

1. Added too early:
The number one mistake is adding marshmallows before the cookies are fully set. When marshmallows are exposed to oven heat for too long, they don’t just melt — they evaporate, leaving sticky sugar patches behind.

Fix:
Add the marshmallows in the last 2–3 minutes of baking. This allows them to soften and toast slightly without dissolving.

2. Using mini marshmallows or cut pieces:
Smaller pieces melt faster and unevenly.

Fix:
Use regular marshmallows, halved if needed. They retain structure better during short bursts of heat.

3. Marshmallows on the bottom of the dough ball:
If placed too low, they’ll stick to the pan and burn.

Fix:
Always press marshmallows on top after scooping and never let them touch the baking tray directly.

Fixing Crumbly Dough or Overbaked Cookies

Even seasoned bakers sometimes end up with a too-dry or overbaked batch. Here’s how to prevent that:

1. Dough too dry or crumbly:
This can happen if the flour is over-measured or mix-ins are unevenly folded.

Fix:

• Spoon and level your flour (don’t scoop).
• Mix dry ingredients first, then fold in your Oreos, chips, and crackers gently.
• If it’s still dry, add 1 tablespoon of milk or softened butter at a time until it comes together.

2. Cookies flatten or dry out:
This usually comes from overbaking or using warm dough.

Fix:

• Always chill the dough before baking.
• Take the cookies out when the edges are golden, but the center still looks slightly underdone — they’ll finish baking on the tray.

If your cookies already seem overdone? A slice of bread in the storage container can help soften them overnight.

Discover great ideas like our brown crumble pie if you’re a fan of desserts with layered texture and soft centers.

Frequently Asked Questions About Oreo S’mores Cookies

Can you use mini marshmallows in S’mores cookies?

Yes, but with caution. Mini marshmallows melt much faster than regular ones and can vanish or caramelize too quickly during baking. If you use them, make sure to add them in the final 2–3 minutes of baking. For best results, stick with halved regular-sized marshmallows — they hold their shape and give you that perfect gooey pull without burning.

What’s the best Oreo flavor to use in cookies?

Classic Original Oreos are the go-to choice because they deliver that nostalgic chocolate-vanilla balance without overpowering the other ingredients. However, if you’re feeling adventurous, Double Stuf, Birthday Cake, or even Mint Oreos can add fun flavor twists to your Oreo S’mores Cookies. Just keep in mind — flavored Oreos often come with extra sweetness, so consider reducing your sugar slightly in the base dough.

Can I freeze Oreo S’mores cookie dough?

Absolutely. Oreo S’mores cookie dough freezes beautifully. After scooping the dough into balls, freeze them on a lined tray until solid, then store in an airtight freezer-safe bag. When you’re ready to bake, let them thaw at room temperature for 15–20 minutes, then bake as usual — adding a couple of extra minutes if needed. This is perfect for busy weeks or holiday prep.

How long do Oreo S’mores cookies stay fresh?

Stored properly in an airtight container at room temperature, your Oreo S’mores Cookies will stay soft and delicious for up to 5 days. Just make sure to keep them away from humidity or direct heat. Want to keep them even longer? You can freeze the baked cookies for up to 3 months, then reheat in a 300°F oven for 5 minutes to revive that just-baked magic.

Why You’ll Fall in Love With These Gooey, Crunchy Treats Again and Again

There’s something magical about the way Oreo S’mores Cookies come together — the crackle of graham crackers, the crunch of Oreos, the softness of melted marshmallow, and that buttery cookie base wrapping it all in sweet harmony. They’re not just cookies. They’re memories baked into every bite.

From my grandmother’s kitchen to late-night experiments in my own, this recipe has carried with it comfort, creativity, and pure joy. Whether you make them for a backyard party, gift them in a ribbon-tied bag, or simply bake a batch to satisfy your own sweet craving — these cookies will never disappoint.

Looking for more crowd-pleasers? Check out our Strawberries and Cream Sando — it’s another soft and flavorful dessert made for sharing.