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Home » Recipes » Desserts » Brownies / Bars » S’Mores Oreo Stuffed Brownies

S’Mores Oreo Stuffed Brownies

Published on May 31, 2017, Updated May 14, 2020 by Kristin Maxwell | 20 Comments

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S’Mores on top of brownies, on top of oreos on top of brownies…these S’Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

*This post has been updated from 2014.

In my 8 years of blogging and creating recipes, this is one of my favorites. These S’Mores Oreo Stuffed Brownies look so rusticly beautiful, they taste absolutely divine, and they are a real crowd pleaser – no one can say “no” to these brownies (And if they do you might want to reconsider the relationship!).

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

Imagine all of the things that remind you of childhood backyard barbecues and summer vacation all blended together in a fabulous dessert. Sticky S’Mores faces licking the marshmallow and melted chocolate off of their fingers, twisting the tops off of the Oreos so you could lick the yummy creme in the center. And brownies. Oh, the brownies.

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

Since you’ve likely spent the last few minutes drooling over your keyboard, I’ll bet you’re ready to see how easy these S’Mores Oreo Stuffed Brownies are to make!

Start with a graham cracker base, in a foil lined pan, adding broken pieces to fill all the space. *Pro-tip: I like to use foil or parchment paper with any kind of baked bar like this. Makes it super easy to lift the whole thing out and cut on a cutting board rather than digging around to get out the first few squares!

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

Next you’ll top with half of the brownie batter then top that with Oreos.

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

Next you’ll add a cup of marshmallows to the remaining batter and fold them in until they are all covered with chocolate. Then spread that on top of the Oreos. Try to get the brownie batter all the way to the edges of the pan or the Oreos tend to burn.

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

Then bake that beautiful mess for about 27 minutes, on the middle rack of the oven. Flip on the broiler and sprinkle another cup or so of marshmallows on top of the brownies. Leave them on that center rack and let the broiler brown them for about two minutes. Don’t walk away – they can burn in seconds!

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

Remove from the oven and allow the brownies to cool completely before cutting into bars. The marshmallow does get sticky so it helps to dip the knife in warm water after each slice.

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

A few tips:

  • I use a boxed brownie mix. I know that’s not cool for some so feel free to use your favorite recipe. Just make sure that the recipe is for a 13×9″ pan or you won’t have enough. I love THIS RECIPE, but you would need to double it.
  • Marshmallows: I always use Jet-Puffed Marshmallows, never store brand. In my experience the store brand marshmallows tend to stick together in the bag and just don’t taste as good. (aff link)
  • Oreos: I personally again do not use the store brand. However, for these brownies, they would probably be just fine.

If you’re planning to make these at home, be sure to share a photo on Instagram and tag #yellowblissroad!

These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

S’Mores Oreo Brownies:


S’Mores Oreo Brownies

Kristin
S'Mores on top of brownies, on top of oreos on top of brownies...these S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!
Print Recipe Pin Recipe
Prep Time 15 mins
Cook Time 30 mins
Total Time 45 mins
Course Dessert
Cuisine American
Servings 15 brownies

Ingredients
  

  • 1 box of family size Chocolate Fudge Brownie Mix + ingredients called for on box You could also use your favorite recipe as long as it is enough for a 13x9" pan
  • 8 graham crackers
  • 28 Oreo cookies
  • 1 cup marshmallows for mixing
  • 1 1/2 cups marshmallows for topping

Instructions
 

  • Preheat oven to 350 degrees and place rack in the center of the oven. Line a 13"x9" pan with foil or parchment paper and spray lightly with cooking spray.
  • In a large mixing bowl, prepare brownie mix or recipe according to instructions.
  • Place graham crackers in the bottom of the pan, breaking as needed to fit. Pour half of the brownie batter over the graham crackers and spread very gently with a knife to cover. Place Oreo cookies in a single layer on top of batter.
  • Add one cup of mini marshmallows to the remaining brownie batter and fold in gently. Spread batter gently over Oreos, placing mini marshmallows as evenly as possible.
  • Bake for approximately 27 minutes or until a toothpick inserted in the middle comes out mostly clean.
  • Switch to broiler and sprinkle remaining marshmallows evenly on top of brownies. Place pan back into the center of the oven and leave door cracked open for about two minutes so marshmallows can brown. Watch closely as they can burn quickly!
  • Allow to cool completely before cutting into squares. *Pro-tip: To prevent sticking, run knife under warm water before each slice.
Keyword s'mores brownies
Tried this recipe?Let us know how it was!

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These S'Mores Oreo Stuffed Brownies are the best of summer desserts all rolled into one deliciously ooey gooey treat!

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About Kristin Maxwell

Kristin Maxwell is the creator and main recipe developer, writer, and photographer of Yellow Bliss Road. A self-taught cook and self-appointed foodie, she specializes in easy, flavorful and approachable recipes for any home cook. Read more about Kristin HERE.

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  1. Karlie says

    March 10, 2019 at 11:52 am

    I used a foil pan and sprayed it but they stuck really bad and the first layer of brownie didn’t cook

    Reply
    • Kristin says

      March 12, 2019 at 8:26 am

      Hi Karlie, Sorry the recipe didn’t work out for you, but thanks for sharing your feedback.

      Reply
      • Kristin says

        March 12, 2019 at 10:09 am

        The foil pan was likely the problem here. It’s thin and probably needed a higher temperature to cook it faster. Always use a glass or nonstick metal pan when baking, especially brownies.

        Reply
  2. Irene says

    June 24, 2017 at 8:03 pm

    Hi! I just made these brownies and followed every direction but my brownie batter top layer never hardened. Was wondering if it’s still edible. Or do I need to let it sit out longer?

    Reply
    • Kristin says

      June 26, 2017 at 8:47 am

      It may have needed to cook a little longer, but they are definitely on the chewy side.

      Reply
  3. Christina says

    April 26, 2017 at 12:41 pm

    How many bars does this make approximately? Making for a teacher luncheon.

    Reply
    • Kristin says

      April 27, 2017 at 8:33 am

      It depends on how big you but them, but I’d say at least 15.

      Reply
  4. K says

    January 21, 2016 at 4:01 pm

    This looks delicious. What if I were to skip the s’mores part and just do brownie batter, Oreos, more brownie batter? And what if the brownie recipe was homemade? Would the usual 40ish minutes be too long? Thanks 🙂

    Reply
    • Kristin says

      January 22, 2016 at 9:23 am

      You could just use your favorite brownie recipe and spread half in the pan, add the Oreos, then top with the remaining batter. Cook according to recipe directions.

      Reply
  5. sue wright says

    July 28, 2014 at 2:10 pm

    it does thanks

    Reply
  6. sue wright says

    July 26, 2014 at 5:54 pm

    I have a question about the size of the brownie mix. You say a family size box, is this the 450g size

    Thanks

    Reply
    • Kristin says

      July 27, 2014 at 11:47 pm

      I believe it’s about 18 oz. It’s the 13×9 size. Hope that helps!

      Reply
  7. Haylea says

    July 17, 2014 at 11:37 am

    Just made these for a second time! They’re a really big hit among family and friends! Thank you for sharing your recipe!

    Reply
  8. Rachel @ Little Ivie Lane says

    May 16, 2014 at 2:25 pm

    Whoa! Now these look delicious! I’m not even sure what I would do with myself after eating one….eh I’d probably go finish the pan 😉

    Reply
  9. Rachel @ Little Ivie Lane says

    May 16, 2014 at 2:25 pm

    Woah! Now these look delicious! I’m not even sure what I would do with myself after eating one….eh I’d probably go finish the pan 😉

    Reply
  10. Katie @ Made to be a Momma says

    May 4, 2014 at 1:01 pm

    These look absolutely delicious!

    Reply
    • Kristin says

      May 4, 2014 at 9:21 pm

      Thanks Katie!

      Reply
  11. [email protected] says

    May 4, 2014 at 11:54 am

    These look AMAZING!! Holy cow! Perfect for summer. Your photography is gorgeous!

    Reply
    • Kristin says

      May 4, 2014 at 9:21 pm

      Thank you so much Jamielyn!!

      Reply
  12. Amber Kristine says

    May 4, 2014 at 11:06 am

    Oh goodness Kristin these look amazing!!! I’m definitely going to be baking up some of these VERY soon. Smores, brownies, and oreos just sound so mouthwatering! hahah

    Reply

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Hi, I’m KRISTIN!

I'm a busy wife and mom who loves to cook, bake and create. All of the recipes and tips you will find here are created with your busy family (and mine!) in mind.

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