S’mOreo Seven Layer Bars

These are every bit as AMAZING as you're imagining they are! Oreos, marshmallows, Hershey bars, chocolate chips, and white chocolate chips. Yum!! Ooey gooey goodness! #oreo #magic #cookie #bars

I am constantly composing posts in my head. All. day. long.

Every situation I’m in through the day becomes a blog post. And I always think, “Oooooh, yeah, that’s a good one. I need to remember that!”

And yet, somehow, every evening I sit down to write my post and draw a big, fat, mental blank. Fortunately, you guys are awesome and never complain :)

These are every bit as AMAZING as you're imagining they are! Oreos, marshmallows, Hershey bars, chocolate chips, and white chocolate chips. Yum!! Ooey gooey goodness! #oreo #magic #cookie #bars


Ah, but that does remind me (not that I’m calling this person a complainer)… I received a comment about the last batch of 7-layer bars that I posted. She said that she had made the recipe twice, but the marshmallows burned both times. Which was perplexing since mine had turned out perfectly golden and gooey.

But her comment was logical– the bars are in the oven for an hour (or more), shouldn’t my marshmallows have burnt to a crisp? And why didn’t they? And how can I make sure there are no other mallow casualties in the making of seven-layer bars?

Obviously, I had to re-make the bars to answer these questions.

Since I loved the way the Gingerbread Oreo 7-Layer Bars turned out, I decided to create a similar bars recipe but without the seasonal flavors. A traditional S’mOreo is 4 layers: one Oreo half, a toasted marshmallow, a chocolate bar, and a second Oreo half. We’re adding three more layers here: semi-sweet chocolate, white chocolate, and sweetened condensed milk.

These are every bit as AMAZING as you're imagining they are! Oreos, marshmallows, Hershey bars, chocolate chips, and white chocolate chips. Yum!! Ooey gooey goodness! #oreo #magic #cookie #bars


I have to say… these bars are everything you’re imagining them to be. And probably more. Oreo goodness, ooey gooey toasted marshmallows, and sweetened condensed milk bringing everything magically together.

Plus, I’ve solved the marshmallow-burning mystery. I suspect the marshmallows would be fine as long as they were somewhere beneath the sweetened condensed milk and not the very top layer. However, I didn’t want to run the risk of burning them, so I made sure that they were the first layer of goodies right on top of the crust. Then I piled the chocolate chips, Oreos, and SCM on top so that the marshmallows were covered really well. And voila! No burning at all.

I so enjoy a good marshmallow mystery ;) .

S’mOreo Seven Layer Bars


  • 15 Oreos (1 1/2 cups), crushed
  • 3 Tbsp. butter
  • 1 cup miniature marshmallows
  • 1 cup Hershey Milk Chocolate bars, broken into pieces
  • 1/4 cup semi sweet chocolate chips
  • 1/4 white chocolate chips
  • 5 Oreos, crumbled
  • 14.5 oz can sweetened condensed milk


  1. Preheat the oven to 350 degrees. Prepare an 8x8 baking dish by lining it with parchment paper and spraying lightly with a nonstick cooking spray.
  2. Place the Oreos in a zip top bag. Seal the bag and use a rolling pin to crush them. Open the bag and add the butter. Place in the microwave, standing up. Heat for 30 seconds. Seal the bag again, and smush until the butter is fully incorporated with the cookie crumbs.
  3. Press the crumbs well into the bottom of the dish. Bake the crust for 10 minutes.
  4. Remove crust from the oven and top with marshmallows, Hershey bars, chocolate chips, white chocolate chips, and crumbled Oreos. Pour the sweetened condensed milk evenly over the top.
  5. Bake for 60 minutes until the top is golden and edges are bubbly. It should feel somewhat set when you push it, even though it will be melted and gooey.
  6. Let cool completely before cutting and serving.
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  1. Oh holy heck. These are AMAZING. But I was just wondering how marshmallows would fare in magic bars. Now I know the trick. More bars…coming next week. LOL
    Dorothy @ Crazy for Crust recently posted..Butterscotch Pecan Magic BarsMy Profile

  2. You and I are totally on the same wavelength this week :-) I made lemon magic bars on Sunday with marshmallows as one of the layers…no burning here either and mine were even on the top with just the milk covering them. Hooray for these bars being the finish of a marshmallow mystery…they are insanely delicious looking!!!! I want to lick my computer screen for a taste!!!
    Jocelyn @BruCrew Life recently posted..Trick or Treat TuesdayMy Profile

  3. Seriously I just posted Oreo Smore’s bars!! When I was eating them I thought to myself hmm sweetened condensed milk next time! Wow these look spectacular everything I love and more. The worst part of the recipe is waiting for the bars to cool completely, I am so impatient when it comes to sweets!
    Elizabeth @ Confessions of a Baking Queen recently posted..Oreo Smore’s BarsMy Profile

  4. i freaking love layered bars right now! and I can’t get enough inspiration to make more varieties. ashton, these are over the top in the best way possible. a must make, for sure. and your photos are stunning. love the food styling in photo #2!
    sally @ sallys baking addiction recently posted..soft-baked monster cookies.My Profile

  5. These look so yummy! I really like the combination of the Oreos and Smores flavors. I have never made magic bars, I think I need to go make some soon!

  6. Anything with Oreo in it is perfect in my books…but your pics make it look more than perfect! So want to eat these right now…yummy! Good job solving the mystery, Detective Ashton! :)
    Liz recently posted..Mixed Berry Sweet RollsMy Profile

  7. Those look amazing. We love seven layer bars at our house and I can’t wait to try your version!!
    The Farm Girl recently posted..Orange Beef StirfryMy Profile

  8. I think I just gained 5 pounds looking at those pictures. They look to die for! I am addicted to anything s’mores, so I’m gonna have to try this recipe!!
    Elaine @ Cooking to Perfection recently posted..Healthy Recipe RoundupMy Profile

  9. WOW, I seriously can’t think of anything else to add. Just WOW!
    Jocelyn (Grandbaby Cakes) recently posted..Blood Orangesicle Frozen YogurtMy Profile

  10. i like your new header! I wasn’t really appreciating the graphics of the mixing bowl and utensils.

    • It’ll be changing again soon :) I still don’t like it, and I need a firm logo so I can order business cards for Blog Conference season ASAP!

  11. I would eat the entire pan! YUM!
    Erin @ Making Memories recently posted..MUPS Shoes & Ornaments GiveawayMy Profile

  12. Oreos in any form are my weakness. These look amazing.
    Mandy@Mandy’s Recipe Box recently posted..Totally Tasty TuesdaysMy Profile

  13. Your photos are just wonderful! This is really a mouth-watering recipe.
    LindaS recently posted..Loaded PotatoesMy Profile

  14. There is nothing about this that doesn’t make me want to shove my face into it.
    Lisa recently posted..{Free} Valentine’s Day Printable!My Profile

  15. Looks so good
    Its a heaven for all Oreo lovers…

  16. These could be the end of any diet plans I have for 2013!
    Holly Lefevre recently posted..Tickled Pink #129My Profile

  17. These are outstanding. I feel like I just want to reach through the screen right now and eat one! You are a genius! Oreos are such a weakness of mine and I can’t wait to give these a try!

  18. These are insane and I mean that in the best way possible. Each layer is making me drool more than the last. I *have* to make these. Seriously awesome.
    Lisa {Sweet 2 Eat Baking} recently posted..Sugar & Slice Sunday Link Party #10My Profile

  19. I just bought a bag of marshmallows since my 3 year old asked for s’mores and here you are with these tempting bars. Decisions, decisions
    Roxana | Roxana’s Home Baking recently posted..Bread Baking 101 – Types of flour and how to accurately measure flourMy Profile

  20. These look fantastic…LOVING marshmallows in bars. This opens up a whole new world of possibilities. :)

  21. These look CRAZY! Now that is a serious bar. And your shots are gorgeous! Way to get me craving an Oreo… :)

  22. These look delicious! I wonder what would happen if I added graham Cracker somewhere…

    • I almost did! But then I decided that I wanted to stay consistent with the idea of an actual “s’moreo” where the Oreo = the graham cracker. But I’m sure it would be great! Maybe use the graham cracker crumbs as the crust and just crumble the oreos over top!

      • I was thinking the same thing – add graham crackers somewhere. I was thinking crumbled grahams with the crumbled Oreo layer, keeping the Oreo crust. Yum.


  24. Oh boy, so much for any plans for eating healthy. This looks too good to pass up!
    Monica recently posted..Scone – ology Part 3: Cinnamon Apple SconesMy Profile

  25. Has anyone tried to make these in a larger pan? I am having a dessert party for about 50 people this weekend and really want to make these

  26. Clarice says:

    Is the cooking time really 60 minutes? Mine were way overcooked. Has anyone else made these?

    • Hm… it was 60 minutes for me. I started checking them at 45, but didn’t feel like they were set enough until about an hour.

  27. Amaaaaaazzzing! That’s all.
    Mandy’s Recipe Box recently posted..Copycat Cosmic BrowniesMy Profile

  28. I agree with the above comment….I cooked for 60 minutes and mine were extremely overcooked. I have a pan of burnt mess :(.

  29. These looked awesome and I was making them for Super Bowl tomorrow. But they came out burnt after 30 minutes.
    60 minutes is definitely too long for 500 degrees!!

  30. Talk about chocolate overload! These sound absolutely amazing. I am going to try them ASAP!
    Jenna Brussee recently posted..Hump Day Happenings #6My Profile


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