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    Home » Recipes » Dessert Recipes

    S'mores Blondies Recipe

    Published: Apr 15, 2023 · Modified: Jun 16, 2025 by Karin and Ken · This post may contain affiliate links. Leave a Comment

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    These S'mores blondies are full of everything we love about both S'mores and blondies. You'll find gooey marshmallows and chopped chocolate in every bite of this S'mores blondie bars recipe.

    A stack of S'mores blondies on the counter top.

    S'Mores are such a classic treat, and so are blondies. So I decided to put them together to create this tasty S'Mores blondie bars recipe. It's so rich, chocolaty, and gooey. You're going to love it.

    For more fun s'mores recipes try these oreo cookie s'mores, Frozen S’mores, s’mores monkey bread and these s'mores parfait! They're both divine!

    If you love bar desserts, try this peanut butter cookie dough bars recipe and these chunky monkey bars.

    If you're looking for a yummy treat just like this one, check out our Espresso Granita With White Chocolate Cream.

    Why You'll Love This Recipe

    • You won't have to spend hours in the kitchen.
    • An easy bar dessert recipe that's great for potlucks and easy to make to feed a crowd!
    • An impressive dessert to serve at a dinner party or special occasion.
    • Affordable ingredients that won't break the bank.
    • Perfectly chewy and gooey center with slightly crisp edges.

    Ingredients

    You'll only need a few basic ingredients for this recipe, and you'll find them all easily at your local grocery store.

    The major ingredients are listed here, but check the recipe card for the full list along with amounts.

    Ingredients to make s'mores blondies on the table.
    • Salted butter: Use salted butter for better flavor.
    • Light brown sugar: Makes a softer, more moist blondie and has more depth of flavor than white sugar.
    • Vanilla extract: Adds natural sweetness and warming flavors to the blondie batter.
    • Large egg: Adds moisture and structure to the bars.
    • Crushed graham crackers: You can buy graham crackers already crushed or buy whole crackers and crush them yourself.
    • Hershey bars: Milk chocolate is the classic chocolate for making s'mores.
    • Jumbo marshmallows: You can also use small ones for this recipe!

    Substitutions and Variations

    • Salted Butter: If using unsalted butter add ¼ teaspoon of salt.
    • Light Brown Sugar: Use dark brown sugar for richer, darker, more molasses-flavored blondies
    • Hershey Chocolate Bars: Change it up for semi-sweet chocolate baking squares or your favorite chocolate bars instead. You can even use white chocolate chips or flavored chocolate chips like caramel, peanut butter, or butterscotch.
    • Want More Chocolate? Sprinkle mini or regular-sized chocolate chips on top of your hot marshmallow topping as soon as you remove it from the oven. Since the dish is still hot the chocolate chips instantly melt for a little more chocolaty goodness.
    • Go Nuts: Add one-third cup of chopped walnuts, pecans, almonds, or shredded coconut to blondie batter.

    How to Make S'mores Blondies

    This easy recipe will have you in and out of the kitchen in no time. It's really a basic blondie recipe that's simply been doctored up a bit.

    Check out the highlights here and then see the recipe card at the end of the post for the full instructions.

    1. Beat the butter and brown sugar in a bowl with a hand mixer until it's well-mixed and creamy.
    2. Add the egg and vanilla and beat again on medium-high speed until the egg is mixed into the batter.
    Brown sugar and butter inside a large mixing bowl.
    Two raw eggs added on top of the creamed butter and sugar inside a mixing bowl.
    1. Combine the dry ingredients and mix them into the wet.
    2. Add the chocolate and gently fold it into the batter.
    Flour, graham crackers and baking powder added to the wet ingredients inside a large mixing bowl.
    Chocolate pieces added to the batter inside a mixing bowl.
    1. Spread the dough evenly into a baking dish and bake in the oven.
    2. Top with the chopped marshmallows and broil to brown the top.

    PRO TIP: A rubber spatula works best for spreading the batter evenly in the pan. It's also helpful to tap the side of the pan against your countertop once you've spread out the batter to settle it evenly before baking.

    Batter is placed inside a prepared rectangular baking dish.
    Mashmallows placed on top of the baked blondies.
    1. Allow the blondies to cool and then cut them into squares and serve. Enjoy!
    The blondie smores bars are evenly cut inside the baking dish.

    If you love recipes like this, you may also enjoy our s'mores brownies. Oh so good.

    A hand holding a S'mores Blondies over a baking dish full of more Blondies in the background.

    Storage

    Room Temperature: Store for up 4 days. Leave the bars in the pan and cover with plastic wrap, or transfer them to an airtight container.

    Refrigerator: Alternatively you can store them in the fridge for up to 5 days in an air-tight container.

    Make Ahead: Prepare the batter the night before and refrigerate until ready to bake.

    What to Serve with S'Mores Blondie Bars

    • Add A Sauce: Drizzle some chocolate sauce, peanut butter, or caramel sauce on top when serving.
    • Ice Cream: Serve with a scoop of your favorite flavor of ice cream on top for an extra special treat.
    • Serve them up as part of a dessert spread for gatherings and parties.
    • Enjoy them with a glass of milk or a Dalgona coffee.

    Tips

    • Use a toothpick to spread and redistribute the marshmallows after they broil.
    • Fold in chopped chocolate pieces with a spatula. This way you can evenly distribute the chocolate and prevent overmixing of batter.
    • Watch the marshmallows closely when broiling. They only need 1-2 minutes so be careful because they burn easily.
    • Allow the bars to cool completely on the counter before slicing so they don’t fall apart when cut.
    • If you don’t have an electric hand mixer, you can mix your ingredients with a whisk or spoon.
    • Use parchment paper on the bottom of the pan instead of greasing so that cleanup is easier after baking.

    FAQ

    What do s'more blondies taste like?

    The outsides of these blondies are crunchy while the inside is soft and chewy, making a perfect combination! The marshmallows also add an extra layer of deliciousness when they are broiled on top of the bars.

    Can I use any type of marshmallow for this recipe?

    Yes! You can use any kind or size of marshmallows, including mini marshmallows.

    How can I tell when my blondies are done baking?

    Your s'mores blondies are done baking when they are golden brown and the edges are dry. The center may appear to still be a bit underdone.

    Can I add more chocolate to my s’more blondies?

    Yes! Sprinkle mini or regular chocolate chips on top of your hot marshmallow topping as soon as you remove it from the oven so your chocolate chips instantly melt for a little more chocolaty goodness.

    Two S'mores Blondies placed on top of other s'more bars.

    More S'Mores Recipes

    Do you like S'Mores? Here are some recipes you may also like to try

    • Air Fryer S'mores on a white plate ready to eat.
      Air Fryer S'mores
    • Pretzel S'mores Bites served on a white plate.
      Pretzel S'mores Bites
    • A stack of three frozen s'mores bars on top of each other.
      Frozen S’mores
    • Fingers holding an oreo smores over the table.
      Oreo S'mores

    Ready to get cooking? Remember that you can print this recipe if you would like.

    Three smores blondies stacked on top of each other on the counter.

    S’mores Blondies Recipe

    Karin and Ken
    These S'mores blondies are full of everything we love about both S'mores and blondies. You'll find gooey marshmallows and chopped chocolate in every bite of this S'mores blondie bars recipe.
    Print Recipe Pin Recipe
    Prep Time 15 minutes mins
    Cook Time 35 minutes mins
    Cooling Time 1 hour hr
    Total Time 1 hour hr 50 minutes mins
    Course Dessert
    Cuisine American
    Servings 8
    Calories 418 kcal

    Equipment

    • Measuring cups and spoons
    • large bowl
    • Hand mixer
    • Rubber spatula
    • cutting board
    • Sharp knife
    • spatula

    Ingredients
      

    • ½ cup salted butter
    • 2 cups light brown sugar
    • 1 teaspoon vanilla extract
    • 1 large egg
    • 1 ½ teaspoons baking powder
    • 2 cups all-purpose flour
    • ½ cup crushed graham crackers
    • 2 Hershey bars chopped
    • 6 jumbo marshmallows broken into pieces
    Get Recipe Ingredients

    Instructions
     

    • Preheat the oven to 375°F.
    • In a large mixing bowl, use an electric hand mixer to cream the salted butter and brown sugar until homogenous.
    • Whisk in the egg and vanilla on a medium-high speed until the egg is fully incorporated.
    • Lower the speed of the hand mixer and add the flour, graham crackers, and baking powder. Mix until the dry ingredients are fully mixed into the wet ingredients.
    • Fold in the chopped chocolate pieces until they are evenly distributed throughout the batter.
    • Spread the batter into a rectangular baking dish and bake for 30 minutes, or until golden brown.
    • Remove the pan from the oven, turn the broil to high, and scatter the marshmallow pieces over the top of the dish.
    • Return the pan to the oven until the marshmallows are golden brown (1-2 minutes).
    • Allow the bars to cool on the counter before slicing and enjoying.

    Notes

    Use a toothpick to spread and redistribute the marshmallows after they broil.
    Fold in chopped chocolate pieces with a spatula. This way you can evenly distribute the chocolate and prevent overmixing of batter.
    Watch the marshmallows closely when broiling. They only need 1-2 minutes so be careful because they burn easily.
    Allow the bars to cool completely on the counter before slicing so they don’t fall apart when cut.
    If you don’t have an electric hand mixer, you can mix your ingredients with a whisk or spoon.
    Use parchment paper on the bottom of the pan instead of greasing so that cleanup is easier after baking.
    Are you looking for a delicious sweet treat? If so, check out our Espresso Granita With White Chocolate Cream. 

    Nutrition

    Calories: 418kcalCarbohydrates: 90gProtein: 5gFat: 16gSaturated Fat: 9gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gTrans Fat: 0.5gCholesterol: 54mgSodium: 238mgPotassium: 180mgFiber: 2gSugar: 60gVitamin A: 391IUCalcium: 111mgIron: 3mg
    Keyword blondie bars, s'mores blondies
    Tried this recipe?Let us know how it was!
    Overhead photo of S'mores Blondies and chocolate pieces on a marble counter top.
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    Welcome!

    We are the kitchen divas: Karin and my partner in life, Ken.

    We have been attached at the heart and hip since the first day we met, and we love to create new dishes to keep things interesting. Variety is definitely the spice of life!

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