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    Home » Recipes » Desserts » Brownies & Bars » S’mores Bars

    S’mores Bars

    Published: August 23, 2023 · Modified: Aug 23, 2023 by John Kanell

    This post may contain affiliate links. Please read our disclosure policy.

    S’mores Bars are a sweet and playful dessert with a homemade graham cracker crust, fluffy marshmallows, and pieces of melted chocolate bars. The layers bake together for a warm and gooey treat that’s reminiscent of a campfire favorite. Great for a group without the hassle of building a fire!

    A plate with two pieces of s'mores bars with a cup of milk and platter of bars in the background.
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    Pinterest graphic of a wooden serving board lined with parchment with a slice of s'mores bar in focus with more in the back.
    Pinterest graphic of a few bites of s'more bars on a dark plate. Milk, marshmallows, and chocolate in the background.
    Pinterest graphic of an overhead view of an uncut s'mores bars over parchment paper on a wooden serving board.
    Pinterest graphic of an oval platter containing multiple pieces of s'more bars.
    Pinterest graphic of a plate with two pieces of s'mores bars with a cup of milk and platter of bars in the background.

    Revel in the comforting and familiar flavors of classic s’mores with these s’mores bars. This recipe is an elevated and easy-to-serve version of the classic camp treat. It has all of the elements of a traditional s’mores recipe, but the best part is you don’t have to make a fire or go foraging for sticks to enjoy gooey marshmallows and melted chocolate!

    Serve this s’mores bars recipe as a summer dessert for the family, or be the star of your next party when you bring a pan of these treats. They are also great for movie night, after-school snacks, and just because! If you love updated takes on childhood favorites that are fun for kids of all ages, then try my other dessert recipes for kids like my rice krispie treats recipe, kitchen sink cookies, or my homemade cake pops recipe.

    What You Need to Make This Recipe

    Ingredients needed to make s'mores bars.

    Graham Cracker Crumbs – make the most delicious graham cracker dough used for the crust and topping. Purchase pre-made graham crackers crumbs which are stocked in many grocery stores, or make your own by pulverizing graham crackers in a food processor.

    Marshmallow Creme – for essential marshmallow flavor. Also known as marshmallow fluff, marshmallow creme can be found in most grocery stores, but you can also substitute 3 cups of mini marshmallows for this gooey layer.

    Chocolate Bars – keep it classic by using traditional Hershey’s milk chocolate bars broken into individual pieces. Or use milk, dark, or white chocolate chips!

    Butter – adds a rich and creamy flavor to the graham crackers for a moist yet chewy crust. Use butter softened to room temperature.

    Light Brown Sugar – brown sugar adds sweet molasses notes to the graham crackers and creates a chewier cookie crust. Pack the brown sugar tightly into the measuring cups when measuring it.

    Vanilla Extract – adds warm vanilla notes, enhancing the chocolate and marshmallow. For the best flavor, use pure vanilla extract.

    How to Make S’Mores Bars

    Set of two photos showing flour and graham cracker crumbs whisked together and brown sugar added to a mixer with butter.

    1. Preheat the oven to 350°F. Grease and fully line an 8×8-inch baking pan with parchment paper. In a medium mixing bowl, whisk together the flour, graham cracker crumbs, salt, and baking powder.

    2. In a medium mixing bowl or the bowl of a stand mixer fitted with the paddle attachment, beat the butter and sugar at medium speed until light and fluffy, 2 to 3 minutes. Stop to scrape down the sides of the bowl as needed.

    Set of two photos showing egg and flour mixer added to a running mixer.

    3. Beat in the egg and vanilla until well combined.

    4. Add the flour mixture and beat on low speed until combined, stopping to scrape down the sides of the bowl once during mixing.

    Set of two photos showing dough mixer spread into a lined baking pan and topped with marshmallow creme.

    5. Press half of the dough into the bottom of the pan in a single layer.

    6. Dollop the marshmallow crème on top. Using a greased spatula, spread the crème into as evenly of a layer as you can.

    Set of two photos showing chocolate bars and crumbled dough added over marshmallow creme.

    7. Break up the chocolate bars into chunks and scatter over the crème layer.

    8. Scatter small pieces of the remaining dough over the chocolate and marshmallow. Bake for 20 to 25 minutes or the marshmallow crème has puffed and is lightly golden brown and the dough has turned golden. Let cool completely in the pan before cutting into bars.

    A wooden serving board lined with parchment with a slice of s'mores bar in focus with more in the back.

    Pro Tips For Making This Recipe

    • Make your own graham cracker crumbs. If you have a box of graham crackers on hand or can’t find cracker crumbs at the grocery store, it’s easy to make your own cracker crumbs! Use a food processor to pulse crackers or place several graham crackers in a zip-top bag and use a rolling pin to crush them until in fine crumbs. Store extra crumbs in the bag and use them to top ice cream or yogurt.
    • Bake until toasted and golden brown. For the most authentic toasted marshmallow flavor, bake until the marshmallow cream is puffy and turns golden brown.
    • Use parchment to easily remove bars from the pan. When lining your baking pan, use a large enough piece of parchment paper to allow it to extend up the sides of the pan. Once the bars are cooled, grab the edges of the parchment paper and use them as handles to gently remove the bars from the pan, transfer them to a cutting board, and slice with a sharp knife.
    Overhead view of an uncut s'mores bars over parchment paper on a wooden serving board.

    Frequently Asked Questions

    How do I store leftovers?

    Allow bars to cool to room temperature and then store in an airtight container for up to 4 days. For gooey marshmallows, reheat the s’mores bars in the oven or microwave for a few seconds until the Hershey’s chocolate bars begin to melt.

    What candy bars are good for this?

    You can’t go wrong with using classic Hershey’s chocolate bars, but it’s fun to change things up in these easy s’mores bars with different candies. Try chopped peanut butter cups, peppermint patties, caramel-filled chocolate like Ghirardelli squares or Carmello bars, Snickers, or other varieties of Hershey’s chocolate.

    What do I serve with this?

    S’mores cookie bars are a yummy lunchbox treat or dessert anytime but are simply perfect when served with any food you’d typically enjoy outdoors, take on a picnic, or prepare on the grill. Try them with turkey burgers on brioche buns, watermelon salad, and macaroni salad. Or serve these s’mores bars for a summer movie night with an array of candy and kettle corn with decadent chocolate martinis.

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    If you’ve tried this S’mores Bars recipe, then don’t forget to rate the recipe and let me know how you got on in the comments below, I love hearing from you!

    Cut s'mores bars with one in front and in focus.
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    5 from 3 votes

    S’mores Bars

    S’mores Bars are a sweet and playful dessert with a homemade graham cracker crust, fluffy marshmallows, and melted chocolate bars. The layers come together for a warm and gooey treat that’s reminiscent of a campfire favorite without leaving the comfort of home!
    Course Dessert
    Cuisine American
    Prep Time 20 minutes minutes
    Cook Time 20 minutes minutes
    Total Time 40 minutes minutes
    Servings 16 bars
    Calories 221kcal
    Author John Kanell

    Equipment

    • 8″ square baking pan
    • Electric hand or stand mixer
    • Mixing Bowls
    • Parchment paper

    Ingredients

    • 1¼ cup all-purpose flour (150g)
    • 1 cup graham cracker crumbs (120g)
    • 1 teaspoon baking powder
    • ½ teaspoon salt
    • ½ cup unsalted butter softened (113g)
    • ⅔ cup packed light brown sugar (147g)
    • 1 large egg
    • 1 teaspoon vanilla extract
    • 1 (7-oz) container marshmallow crème
    • 2 (1.55-ounce/43g ) Hersey’s chocolate bars or ½ cup semisweet chocolate chips (90g)

    Instructions

    • Preheat the oven to 350°F. Grease and fully line an 8×8-inch baking pan with parchment paper.
    • In a medium mixing bowl, whisk together the flour, graham cracker crumbs, salt, and baking powder.
    • In a medium mixing bowl, or the bowl of a stand mixer fitted with the paddle attachment beat the butter and sugar at medium speed until light and fluffy, 2 to 3 minutes. Stop to scrape down the sides of the bowl as needed. Beat in the egg and vanilla until well combined.
    • Add the flour mixture and beat on low speed until combined, stopping to scrape down the sides of the bowl once during mixing.
    • Press half of the dough into the bottom of the prepared pan. Dollop the marshmallow crème on top. Using a greased spatula, spread the crème into as even of a layer as you can. Break up the chocolate bars into chunks and scatter over the crème layer. Scatter small pieces of remaining dough over the chocolate and crème.
    • Bake for 20 to 25 minutes or the marshmallow crème has puffed and is lightly golden brown and the dough has turned golden. Let cool completely in pan before cutting into bars.

    Notes

    • Make your own graham cracker crumbs. If you have a box of graham crackers on hand or can’t find cracker crumbs at the grocery store, it’s easy to make your own cracker crumbs! Use a food processor to pulse crackers or place several graham crackers in a zip-top bag and use a rolling pin to crush them until in fine crumbs. Store extra crumbs in the bag and use them to top ice cream or yogurt.
    • Bake until toasted and golden brown. For the most authentic toasted marshmallow flavor, bake until the marshmallow cream is puffy and turns golden brown.
    • Use parchment to easily remove bars from the pan. When lining your baking pan, use a large enough piece of parchment paper to allow it to extend up the sides of the pan. Once the bars are cooled, grab the edges of the parchment paper and use them as handles to gently remove the bars from the pan, transfer them to a cutting board, and slice with a sharp knife.

    Nutrition

    Calories: 221kcal | Carbohydrates: 34g | Protein: 2g | Fat: 9g | Saturated Fat: 5g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 3g | Trans Fat: 0.2g | Cholesterol: 27mg | Sodium: 143mg | Potassium: 79mg | Fiber: 1g | Sugar: 19g | Vitamin A: 196IU | Calcium: 36mg | Iron: 1mg
    *Nutrition Disclaimer
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    Welcome to Preppy Kitchen!

    Thanks for stopping by! I’m John Kanell, a husband, dad to twins Lachlan and George, Los Angeles native, and an avid baker and cooker of all things delicious thanks to a life long education from my mother. This blog is where I share all of my kitchen creations!

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