★★★★★

S’mores Cookie Bars

S’mores Cookie Bars are soft and chewy treats packed with graham crackers, marshmallow, and chocolate! These S’mores Bars are easy and delicious!

If you love S’mores bars, give our stuffed S’mores Cookies a try soon! Or give our easy smores dip recipe a whirl next. Perfect for parties.

Smores cookie bars cut into squares on parchment paper.

The flavors of this cookie bar comes from the s’mores trinity.

You know what that is right?

Graham Crackers. Chocolate. Marshmallows.

You incorporate graham cracker crumbs into the cookie dough, which is the base and the crackly top of these bars.

Then you layer on full size milk chocolate bars and marshmallow creme. Believe me you’re still getting enough of the gooey-ness you love in a classic s’more, only these are way more portable.

Ready to dive in?

Ingredient Notes

Ingredients needed to make smores cookie bars.

Making these bars are super easy. Start by making the cookie base.

  • Flour- be sure to follow our tips on how to measure flour properly. The biggest issue people have when baking is measuring the flour incorrectly.
  • Sugar- you’ll need a combination of granulated sugar and light brown sugar to create the cookie dough base.
  • Graham Crackers- Make graham cracker crumbs to go into the cookie dough. It adds great flavor and texture!

PRO TIP- We love making our own homemade vanilla extract, but if using store bought, be sure it’s pure extract, not imitation (for best flavor).

  • Hershey Bars- using whole candy bars in the middle layer is delicious. You can swap out for chocolate chips if you prefer, but we love the whole bar. Hershey with almonds is also wonderful.
  • Marshmallow Fluff- or marshmallow creme as it’s sometimes called.

Easy Instructions

Step by step photos showing how to make smores cookie bars.

PREP: Preheat oven to 350 degrees F. Line an 8-inch (or 9-inch) baking pan with parchment paper. 

PRO TIP: Use binder clips or clothespins to secure parchment paper to baking dish while adding ingredients. Be sure to remove them before baking.

Make Dough: In a large bowl, combine butter, sugar, and brown sugar until creamy. Add in egg and vanilla extract. Add flour, graham cracker crumbs, baking powder, and salt. Mix until blended.

Assemble: Divide dough in half and press half of the cookie dough into the bottom of the prepared baking dish. Place full size chocolate bars over dough. You only need a single layer, so you may have extra chocolate. 

Spread chocolate with marshmallow cream and place remaining dough on top.

Bake: Bake for 30-35 minutes, until lightly browned. Cool completely before cutting into bars.

PRO TIP: We love these bars chilled, and it makes them easier to cut too. Cover and refrigerate to enjoy.

Smores cookie bars cut into squares.

Chocolate for S’mores

I prefer to use Hershey’s chocolate bars as they are easy to find, and taste great.

If you can’t find them, use a good quality milk chocolate. You can even use chocolate chips, making a single layer between cookie dough!

How to Store S’mores Bars

This s’mores bars recipe can be kept in an airtight container at room temperature for up to one week.

You can also freeze these cookie bars by sliding into a ziploc freezer bag (or other freezer safe container). Thaw at room temperature overnight.

Personally though, I prefer to keep these gooey S’mores Bars in the refrigerator. I like enjoy them chilled.

PRO TIP: Want them warmed up? Place on a plate in microwave for 15-30 seconds for a gooey treat! Careful the chocolate can get hot fast!

S'mores bars stacked on top of each other.

More S’mores

More Easy Dessert Recipes:

Yield: 24

S'mores Cookie Bars

Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes

S'mores Cookie Bars are soft and chewy treats packed with graham crackers, marshmallow, and chocolate! These S'mores Bars are easy and delicious!

Ingredients

  • ½ cup unsalted butter, room temperature
  • ¼ cup light brown sugar, packed
  • ½ cup granulated sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 ⅓ cups all-purpose flour
  • ¾ cups graham cracker crumbs
  • 1 teaspoon baking powder
  • ¼ teaspoon salt
  • 4-6 full size milk chocolate bars*
  • 1 ½ cups marshmallow creme (7 ounce container)

Instructions

  1. Preheat oven to 350 degrees. Line a 8-inch square baking pan with foil and grease lightly.
  2. In a large bowl, cream together butter and sugar until light. Beat in egg and vanilla.
  3. In a small bowl, whisk together flour, graham cracker crumbs, baking powder and salt.
  4. Add to butter mixture and mix at a low speed until combined. Divide dough in half and press half of dough into an even layer on the bottom of the prepared pan.
  5. Place chocolate bars over dough. You may not need all of the chocolate, you only want a single layer, so break as needed to fit the pan.
  6. Spread chocolate with marshmallow creme.
  7. Place remaining dough in a single layer on top of the marshmallow layer (most easily achieved by flattening the dough into small pieces and laying them together).
  8. Bake for 30-35 minutes, until lightly browned.
  9. Cool completely before cutting into bars. Makes 24 bars.

Notes

  • The brand of chocolate bars you buy will determine how many you need, buy a 6 pack to make sure you have enough.
  • Use binder clips or clothespins to secure parchment paper to baking dish while adding ingredients. Be sure to remove them before baking.
  • Store cookie bars in airtight container at room temperature or refrigerator.
  • See blog post for more recipe tips and tricks.

Nutrition Information:

Yield:

24

Serving Size:

1

Amount Per Serving: Calories: 151Total Fat: 6gSaturated Fat: 4gTrans Fat: 0gUnsaturated Fat: 2gCholesterol: 19mgSodium: 68mgCarbohydrates: 22gFiber: 1gSugar: 13gProtein: 2g

*Nutrition facts are an estimate and not guaranteed to be accurate. Please see a registered dietitian for special diet advice.

Did you make this recipe?

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About Aimee

Aimee is a dessert lover (specifically rice krispie treats), workout enthusiast, self-taught foodie, and recipe creator.

Learn more about Aimee.

Affiliate Disclosure:**There may be affiliate links in this post! By clicking on them, or purchasing recommended items I may receive a small compensation. However, I only recommend products I love! Thank you for supporting Shugary Sweets! See my disclosure policy for more info**

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Posted on May 15, 2019

Comments & Reviews

  1. Im so happy I came across ur receipe. They all so easy & delicious. Ive tried afew , they went fast. Thank u for sharing them.

  2. OH my, these s’more cookie bars are INCREDIBLE!!! I would LOVE one right now!! YUM!!

  3. These are super easy and my kids absolutely adore them! Thank you so much for this recipe, we will be making again and again!

  4. These bars look delicious! I love S’mores in any form and that gooey marshmallow filling is totally calling my name!

  5. This is such an awesome idea! I love the S’more cookie or S’more bar trend. It give you the delicious creation without the campfire 🙂

    1. I don’t mind the campfire, I just hate the kids with sticky balls of fire on the end of a long poker. Not cool.

  6. I love making these! The first time my brother tried them, he ate half a pan because he said they were that special! The graham cracker crumbs make it amazing.
    Thanks for posting!

  7. These cookie bars look out of this woooorld! I love s’mores in any form and they just look so gooey and buttery and rich and amazing!!!

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