Sometimes the best recipes happen completely by accident! I originally planned to make classic s'mores cookies for a fun family treat, but when I reached into the pantry, I realized I was completely out of graham crackers.
What I did have was a package of Oreos, so I crushed a few up, tossed them into my chocolate chip cookie dough with mini marshmallows, and hoped for the best.
The result? These Oreo Marshmallow Chocolate Chip Cookies were honestly even better than the s'mores cookies I had planned to make.
Each cookie has a soft and chewy center, lightly golden edges, melty semi-sweet chocolate chips, gooey marshmallows, and crunchy Oreo cookie pieces in every bite.
Using crushed Oreos instead of graham crackers gives these Oreo s'mores-inspired cookies an extra chocolatey cookies-and-cream flavor that my family absolutely loved.
They're also surprisingly easy to make. The cookie dough comes together with simple ingredients like softened butter, brown sugar, granulated sugar, an egg, vanilla extract, all-purpose flour, chocolate chips, mini marshmallows, and crushed Oreo cookies. No campfire required!
These definitely fall into my Treat Day category rather than my everyday healthy recipes, but that's exactly what makes them so much fun.
They're the kind of kid-friendly dessert I'd bring to a birthday party, summer BBQ, family gathering, bake sale, or any occasion when you need an easy dessert that will have everyone reaching for another cookie.
If you love loaded chocolate chip cookies, marshmallow cookies, or anything cookies-and-cream, save this recipe. I'll definitely be making these again-although I don't think I'll bother buying the graham crackers next time!
More Easy Sweet Treats to Try Next
If these gooey Oreo marshmallow chocolate chip cookies are calling your name, here are a few more easy desserts to save for your next sweet craving or family gathering:
👉 Cottage Cheese Chocolate Chip Cookies - Soft, Chewy & Delicious!
👉 2 Ingredient WW Chocolate Fluff - An Easy Chocolate Fix!
👉 Lightened-Up Lemon Bars - Sweet, Tangy & Perfect for Parties!
👉 5 Ingredient Keto Fat Bombs - An Easy Bite-Sized Chocolate Treat!
👉 Keto Peanut Butter Cookies with Almond Flour - Easy & Delicious!
SAVE THIS FOR LATER ON PINTEREST 👇
Why You'll Love This Recipe
- Simple ingredients - Made with easy-to-find ingredients you may already have in your pantry.
- Perfect for sharing - A fun treat for parties, holidays, cookie swaps, and get-togethers.
- Gooey and chocolatey - Melty marshmallows, chocolate chips, and Oreo pieces make every bite extra indulgent.
- Quick and easy - An easy homemade cookie recipe when you want something impressive without a lot of fuss.
- Easy to customize - Switch things up with dark chocolate chips, white chocolate chips, chopped nuts, or extra Oreos.
Table of contents
- More Easy Sweet Treats to Try Next
- SAVE THIS FOR LATER ON PINTEREST 👇
- Why You'll Love This Recipe
- What You'll Need (Quick Overview)
- Tools You'll Need
- How to Make Chocolate Chip Marshmallow Oreo Cookies
- Frequently Asked Questions About Oreo Chocolate Chip Marshmallow Cookies
- A Little Note About Treat Days
- LOOKING FOR MORE EASY HEALTHY RECIPES?
- More Easy Treat Day Recipes to Try Next
- WANT HELP STAYING ON TRACK?
What You'll Need (Quick Overview)
You only need a handful of simple ingredients to make these gooey Oreo chocolate chip marshmallow cookies:
- Oreo cookies - for crunchy cookies-and-cream goodness in every bite
- Mini marshmallows - they melt into irresistible gooey pockets throughout the cookies
- Dark chocolate chips - for plenty of rich, melty chocolate
- Pantry staples - flour, butter, sugar, and an egg bring the cookie dough together
👉 That's it! A few fun mix-ins and everyday baking staples come together to make an extra-gooey, chocolatey cookie that's perfect for treat day.
Tools You'll Need
No special equipment needed! Just grab a few basic baking tools and you're ready to make these gooey Oreo marshmallow cookies:
- Large mixing bowl - for mixing the cookie dough and all those delicious add-ins
- Measuring cups and spoons - to measure your ingredients accurately
- Baking sheet - for baking the cookies until golden around the edges and gooey in the center
- Cookie scoop - makes it easy to portion evenly sized cookies
- Parchment paper - helps prevent sticking and makes cleanup a breeze
How to Make Chocolate Chip Marshmallow Oreo Cookies
1: Preheat oven to 350 degrees F. Line a baking sheet with parchment paper.
2: Mix the softened butter, brown sugar, and granulated sugar until smooth and creamy.
3: Mix in the egg and vanilla.
4: Add the flour, baking soda and sea salt. Mix until a dough forms. If the dough seems to dry add a tablespoon of almond milk.
5: Fold in the chocolate chips, the mini marshmallows and the Oreo pieces.
6: Scoop 2 tablespoon portions of dough onto the baking sheets, leaving about 2 inches between them. Gently press a few Oreo pieces, chocolate chips and marshmallows on top.
7: Bake for 9-11 minutes, until the edges are golden and the centers still look soft.
8: Remove from oven and let the cookies cool on the pan for 5 minutes before moving them to a rack. They will firm as they cool. Ready for your next family gathering. Enjoy!!
Frequently Asked Questions About Oreo Chocolate Chip Marshmallow Cookies
Absolutely! Semi-sweet, milk chocolate, or even white chocolate chips will work. You can also mix two varieties together for an extra chocolatey cookie.
Try to keep most of the mini marshmallows tucked inside the cookie dough rather than sitting around the edges. You can press a few on top for that gooey look, but avoid placing them directly against the baking sheet where they can melt and stick.
Take the cookies out when the edges are lightly golden but the centers still look slightly soft. They may look a little underdone in the middle, but that's what you want! Let them cool on the baking sheet for about 5 minutes, and they'll firm up while staying soft and gooey inside.
A Little Note About Treat Days
Most of the recipes I share are lightened up in some way, but I also believe there's room for a good old-fashioned homemade treat! I made these Oreo Chocolate Chip Marshmallow Cookies to bring to a family birthday party, so this time I went with the real butter, sugar, chocolate chips, Oreos, and marshmallows-and they were worth it!
These cookies are higher in sugar and calories than the recipes I normally share, which is why you'll find them in my Treat Days collection. They're homemade with simple, familiar ingredients, and I know exactly what went into every batch.
If you follow Weight Watchers, your Points will depend on the exact ingredients, brands, and serving size you use. I recommend entering the recipe into your WW app to calculate the Points for your individual plan.
For me, Treat Days aren't about making every dessert "healthy"-they're about enjoying something special, sharing it with people you love, and then getting right back to your usual routine. 🍪❤️
LOOKING FOR MORE EASY HEALTHY RECIPES?
If you enjoyed these Oreo Chocolate Chip Marshmallow Cookies, you might also love my healthy cookbooks filled with simple recipes made with everyday ingredients. From protein-packed muffins to fresh summer salads, they're perfect for meal prep, snacks, and family-friendly meals.
More Easy Treat Day Recipes to Try Next
Easy Oreo Marshmallow Chocolate Chip Cookies
- Total Time: 21 Minutes
- Yield: 18 Cookies 1x
Description
Easy Oreo Chocolate Chip Marshmallow Cookies are soft, gooey, and loaded with Oreo cookie pieces, dark chocolate chips, and melty mini marshmallows. A fun homemade treat that's perfect for birthday parties, holidays, family gatherings, or whenever you're craving an extra-special cookie!
Ingredients
- ½ cup of Unsalted Butter Softened
- ½ cup of Brown Sugar
- ¼ cup of Granulated Sugar
- 1 Egg
- 1 Teaspoon of Vanilla Extract
- 1 ½ cups of All Purpose Flour
- ½ Teaspoon of Baking Soda
- ¼ Teaspoon of Sea Salt
- 1 Tablespoon of Almond Milk if needed
- 1 cup of Dark Chocolate Chips
- 1 cup of Mini Marshmallows
- 8-10 Oreo Cookies Crushed
Instructions
- Preheat oven to 350 degrees F. Line a baking sheet with parchment paper.
- Mix the softened butter, brown sugar, and granulated sugar until smooth and creamy.
- Mix in the egg and vanilla.
- Add the flour, baking soda and sea salt. Mix until a dough forms. If the dough seems to dry add a tablespoon of almond milk.
- Fold in the chocolate chips, the mini marshmallows and the Oreo pieces.
- Scoop 2 tablespoon portions of dough onto the baking sheets, leaving about 2 inches between them. Gently press a few Oreo pieces, chocolate chips and marshmallows on top.
- Bake for 9-11 minutes, until the edges are golden and the centers still look soft.
- Remove from oven and let the cookies cool on the pan for 5 minutes before moving them to a rack. They will firm as they cool. Ready for your next family gathering. Enjoy!!
Notes
- Don't overbake: Remove the cookies when the edges are lightly golden but the centers still look soft. They'll continue to firm up as they cool.
- Keep marshmallows tucked in: Try to keep most of the mini marshmallows inside the cookie dough. Marshmallows touching the baking sheet can melt and become sticky.
- Make them bakery-style: Before baking, press a few extra Oreo pieces, chocolate chips, and mini marshmallows into the tops of each cookie.
- Let them cool on the pan: Give the cookies about 5 minutes on the baking sheet before transferring them to a cooling rack.
- Chocolate swaps: Semi-sweet, milk, or white chocolate chips can be substituted for the dark chocolate chips.
- Storage: Store completely cooled cookies in an airtight container at room temperature for about 3-4 days.
- Prep Time: 10 Minutes
- Cook Time: 11 Minutes
- Category: Dessert
- Method: Oven
- Cuisine: American
Nutrition
- Serving Size: 1 Cookie
- Calories: 322
- Sugar: 24.7 g
- Sodium: 175.6 mg
- Fat: 15.2 g
- Carbohydrates: 43.3 g
- Protein: 3.2 g
- Cholesterol: 24.6 mg
WANT HELP STAYING ON TRACK?
If you're trying to eat healthier, stay consistent, or just make meal planning easier, I put together a simple free weekly meal planner to help you stay organized and on track.
It's perfect for planning out your meals, keeping things simple, and making healthier choices without overthinking it.
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