Thick and chewy S’mores Bars with marshmallow creme and chocolate layered between graham cracker cookie dough. You can enjoy S’mores any time of year with these delicious and EASY cookie bars!

Looking for more cookie bar recipes? Try our Peanut Butter Bars or M&M Cookie Bars!

A plate full of s'more cookies bars with layers of graham cracker cookie, and chocolate and marshmallow in the middle.

I can’t resist the combination of marshmallows, chocolate and graham crackers and these S’more Bars are easy to make, any time of year! They’re always a crowd pleaser at gatherings!

How to make S’mores Bars:

Make graham cracker cookie dough: Combine flour, graham cracker crumbs, baking powder and salt.

Press half the cookie dough evenly into the bottom of a 9×13 pan lined with parchment paper.

Layer marshmallow fluff on top of the cookie dough. (Tip: If the creme gets sticky, dip your spoon in hot water, to help it spread the creme smoothly).

Add chocolate pieces and stick them into the marshmallow layer.

Process photos for making s'more cookie bars including a layer of graham cracker cookie dough in the bottom of a parchment lined 9x13 inch pan, topped with marshmallow creme and chocolate bars.

Top with remaining cookie dough. Place it all around the top, the best you can.

Bake at 350F for 28-32 minutes. Cool completely before cutting to prevent a melted, gooey mess. Cut and serve!

A spatula lifting a s'more cookie bar from a full 9x13'' pan.

Freezing Instructions:

Wrap S’more bars tightly in plastic wrap, then place in an airtight freezer safe container for up to 2 months.

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Recipe

A plate full of s'more cookies bars with layers of graham cracker cookie, and chocolate and marshmallow in the middle.
Prep 10 mins
Cook 35 mins
Total 45 mins
Add to Meal Plan

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Ingredients
 
 

  • 2 cups all-purpose flour
  • 2 cups graham cracker crumbs
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 cup butter (2 sticks), softened
  • 1 1/2 cups light brown sugar , packed
  • 1 teaspoon vanilla extract
  • 2 large eggs
  • 7 ounces marshmallow creme or fluff*
  • 3 4.4 ounce Hershey’s chocolate bars , or 2 ½ cups chocolate chips

Instructions
 

  • Preheat the oven to 350 degrees F. Grease really well a 9×13” baking dish (you could line it with foil if you want, but mine turn out great when I make sure to grease the pan well).
  • In a medium bowl combine the flour, graham cracker crumbs, baking powder and salt.
  • In a separate large bowl, cream the butter and sugar together until light and fluffy, about 2 minutes. 
  • Add the eggs and vanilla and beat until well combined. Reduce the mixer speed to low and add the flour mixture, mixing until combined. 
  • Press HALF of the dough mixture evenly into the bottom of the prepared pan. 
  • Dollop marshmallow creme on top and gently spread into an even layer. If the marshmallow creme gets really sticky you can dip your spoon in hot water (shake off excess water) and it will help to spread ithttps://amzn.to/3wb0mI9 easier. 
  • Break the chocolate bars into pieces and layer over the marshmallow (or sprinkle with chocolate chips). Gently spread the remaining dough over the chocolate. 
  • No need to try and spread the dough into an even layer–the marshmallow and chocolate should peek through!
  • Bake for 28-32 minutes or until golden brown. Allow to cool completely before cutting and serving.

Notes

Marshmallow Creme: Don’t substitute regular marshmallows. They will completely dissolve while baking.
Freezing Instructions: Wrap S’more bars tightly in plastic wrap, then place in an airtight freezer safe container for up to 2 months.

Nutrition

Calories: 483kcalCarbohydrates: 73gProtein: 4gFat: 19gSaturated Fat: 11gCholesterol: 60mgSodium: 253mgPotassium: 106mgFiber: 1gSugar: 49gVitamin A: 470IUVitamin C: 0.2mgCalcium: 76mgIron: 1.8mg

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Have you tried this recipe?!

RATE and COMMENT below! I would love to hear your experience.

*I first shared this post in July 2014. Updated June 2018 and June 2021.

 

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About The Author

Lauren Allen

Welcome! I’m Lauren, a mom of four and lover of good food. Here you’ll find easy recipes and weeknight meal ideas made with real ingredients, with step-by-step photos and videos.

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Comments

  1. I’ll take your pizza from the other day for dinner and these for dessert. Thanks! 😉 These look amazing!!

  2. I need to try this. I am looking for bar recipes that I can make ahead. I would like freeze this for a summer week at a lake house. I don’t want to spend family time in the kitchen, but want super yummy food! Will these freeze well?

    Thank you.
    \

    1. Hi Jill, yes, they will freeze well for up to 3 months. Thaw them overnight in the refrigerator, then bring to room temperature before serving. Enjoy!

    2. 5 stars
      I made these for my family and they were a huge hit! The recipe was easy to follow and the bars turned out perfectly soft. I used a mix of semisweet and milk chocolate chips. Yum!

  3. 5 stars
    My family loves them and they are usually completely gone by day 2. I have made these twice now. I love how quick and easy the recipe is to follow.

  4. 5 stars
    I followed the recipe exactly, with the exception of using four 1.55oz Hershey bars instead of three of the larger bars and I opted to bake it on my Traeger to add a little campfire smokiness….so good. This is definitely a recipe I’ll be making again. Thank you for sharing it!

  5. The photo looks like actual marshmallows but the recipe clearly states marshmallow creme. Just double checking before I make these. Thanks.

  6. The first thing I made from your site where your DELISH peanut butter bars. Me and my friend made them on facetime, and they turned out SOOOO good. The moment I saw this recipe I knew I was in trouble because THESE ARE SO GOOD! The only thing I would say is that you should update the recipe so it says, like, 3 4.4 ounces – 4 hershey’s chocolate bars INSTEAD of 3 4.4 ounces of hershey’s chocolate bars. I just got a little confused about that, is all.

  7. 2 stars
    I’ve made this type of dessert before from another recipe. The ratio of the layers was off on this one. There was too much chocolate and not enough marshmallow fluff. If I make this again I would only use 2 large chocolate bars and double the amount of fluff.

  8. This is an outstanding recipe! I made these on the 4th of July and made S’mores ice cream to go with them. This was an instant family hit and I immediately put the recipe in a protective sleeve and added it to our family collection. Usually when I download a recipe from the internet, there will be scribbles and lined marked through certain items. Not this one. It is perfect as is. I did have to use four of the smaller candy bars because I couldn’t find the larger ones. But that was an easy solution to a solvable problem. Thanks for a great recipe. I look forward to browsing through more of your collection.