S’mores Bars

Published August 26, 2014. Updated March 12, 2019

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These S’mores Bars make it easy to enjoy the classic campfire treat year-round! Buttery graham cracker cookies are sandwiched with melted milk chocolate and marshmallow creme. The ultimate summer dessert! 

four S'mores Bars stacked on a gray plate

Perfect S’mores Bars

Summer may be nearly over, but with these delicious s’mores bars you can have a taste of summer all year long! I know in the middle of the winter I’m totally going to be making these decadent bars.

They taste just like a s’more, but in more of a soft and chewy cookie bar form. They are over the top and melt-in-your-mouth delicious! I’m thinking I’m going to have to start replacing some of the flour in this Chocolate Chip Cookie S’more recipe with fine graham crackers crumbs so I can get the same taste these have.

If you love s’mores, then trust me, this is a dessert you don’t want to pass by! They just make life feel more complete somehow.

S’mores Bars Ingredients

For this s’mores dessert, you’ll need:

  • All-purpose flour
  • Graham cracker crumbs
  • Baking soda
  • Salt
  • Unsalted butter
  • Light brown sugar
  • Granulated sugar
  • Egg
  • Vanilla extract
  • Hershey’s chocolate bars
  • Marshmallow creme

How to Make S’mores Bars

Whisk together flour, baking powder, graham cracker crumbs and salt. Set aside. In a separate bowl, blend together butter and sugars until creamy. Add egg and vanilla extract, then mix in dry ingredients.

Divide dough in half and press one half into a parchment paper-lined baking dish.

unbaked graham cracker crust in a square baking dish

Place chocolate bars side by side over dough.

hershey chocolate bars atop unbaked graham cracker crust

Top the chocolate bars with the marshmallow creme.

marshmallow creme inside square baking dish

Flatten remaining dough on top of the marshmallow creme layer. Bake s’mores bars until top is golden brown, then let cool completely before cutting into squares.

unbaked top layer of S'mores Bars in square baking dish

Can I Use Another Type of Chocolate?

Yes, of course! Feel free to use whatever chocolate bars you have on hand. Personally, I wouldn’t recommend using white chocolate since I think that’d be too sweet. But it’s up to you!

Can I Use a Graham Cracker Substitute?

Yes, if your store doesn’t sell graham crackers, you could use something similar, like digestive biscuits. You want a cookie that’s slightly crumbly and not too sweet.

Tips for the Best S’mores Bars

  • To make adding the top layer of cookie dough easier, first shape the dough into a square on a piece of parchment paper. Then gently flip the parchment paper over the baking dish so the graham cracker cookie dough lays evenly over the marshmallow creme.
  • Let the bars cool completely before cutting into them, otherwise the marshmallow and chocolate will ooze out.
  • Crush the graham crackers very finely so there are no big chunks left.

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4.75 from 8 votes

S’mores Bars

These decadent S'mores bars will leave everyone craving more! You get a buttery graham cracker cookie base that sandwiched with rich chocolate and creamy marshmallow cream.
Servings: 12 Bars
Prep25 minutes
Cook30 minutes

Ingredients

Instructions

  • Preheat oven to 350 degrees. Butter and 8 by 8-inch baking dish and line with two sheets of parchment paper, leaving a slight over hang on each side, and butter paper (if you don't care to lift the bars out in one, for easier cutting, you can just butter the baking dish without lining).
  • In a mixing bowl whisk together flour, graham crack crumbs, baking soda and salt for 20 seconds, set aside.
  • In the bowl of an electric stand mixer fitted with the paddle attachment, blend together butter, brown sugar and granulated sugar until creamy. Mix in egg and vanilla extract. With mixer set on low speed, slowly add in dry ingredients and mix until combined.
  • Divide dough in half and press one half of the dough into an even layer in the bottom of prepared baking dish*. Place chocolate side by side over dough layer. Top chocolate with marshmallow fluff, spreading into an even layer.
  • Take about golf ball size pieces of remaining dough and flatten into small shingles and layer side by side over marshmallow fluff (work to keep any of the fluff from showing through).
  • Bake in preheated oven 27 - 30 minutes until top is lightly golden brown. Cool completely on a wire rack before cutting into squares (use parchment overhang to lift bars from pan before cutting. I recommend cutting just before serving as the filling will being to run a little). Store in an airtight container.

Notes

Recipe Source: adapted with slight changes from Lovin from the Oven
To make adding the top layer of cookie dough easier, first shape the dough into a square on a piece of parchment paper. Then gently flip the parchment paper over the baking dish so the graham cracker cookie dough lays evenly over the marshmallow creme. 
Nutrition Facts
S’mores Bars
Amount Per Serving
Calories 351 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 9g56%
Cholesterol 34mg11%
Sodium 122mg5%
Potassium 101mg3%
Carbohydrates 54g18%
Fiber 2g8%
Sugar 35g39%
Protein 3g6%
Vitamin A 256IU5%
Calcium 23mg2%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.
Nutrition values are estimates only. See full disclaimer here.

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95 Comments

  • Jodie

    I made it for a back to college party for my daughter and her friends, and everyone loved it! Instead of graham cracker I used nilla wafers ground up fine. I used Jane’s suggestion for the top crust but refrigerated the top crust on the parchment paper while I put together the rest of the s’more. Because I didn’t want the marshmallow to ooze out after cutting, I used regular marshmallows cut in half instead of marshmallow creme. I topped the s’more with the crust from the refrigerator then easily peeled the parchment paper off of the crust. It baked up perfectly and cut when cooled without oozing even though the marshmallow was nicely melted. Thank you for the recipe Jaclyn, and all the suggestions from your readers.

  • Ashley C

    Hi! I was wondering how you would extend this recipe for a 13×9 pan? These loom so declicious I’m planning on making them for the dessert table at my wedding!

  • Ashley C

    Hi, I was wondering how you would extend the recipe for a 13×9 pan. They look so delicious I’m making them for my dessert table at my wedding! Such a fantastic idea

  • April

    Love this recipe! I’ve made it exactly as you instructed above and everyone loved it! When I made it a second time I was pressed for time and used peanut butter cookie dough and worked like a charm!

  • Shereen

    I don’t usually comment. Brown eye baker bookmarked these and I needed to make some cookies for the cookie day at Junior Lifeguards. I decided to try these and they were amazing. My son said they were better than my local famous smookie recipe. They were easy to make and I liked Jane A’s suggest- perfect

  • Casie

    OMG!!! They are so good!!! I found this and thought i would try to make it and it’s so good!!! My whole family loves them!

  • Kristin

    Thank you so much for this recipe! I’ve made this four times since I found it on pinterest a few wks ago. It’s already become my husband’s most requested dessert. Also, when we have people over they seem impressed because it’s just different enough… plus everyone seems to love smores! Thanks again! :)

  • Ally

    Are these still good even if you eat them the next day?? Or are they better warm?

    • Jaclyn

      Jaclyn Bell

      We finished them off/gave half away the first day but they should hold up fine to the second day.