S’mores Cookie Bar Recipe | Dinner, Dishes & Desserts

S’mores Cookie Bars – enjoy this iconic summertime treat without the campfire! A graham cracker crust features a chewy cookie bar overflowing with chocolate chunks and melty marshmallows. Do a batch and imagine camping any time of the year

Get all the flavor of classic s’mores in a super fun and easy bar cookie recipe. This S’mores cookie bars are complete with a graham cracker crust, chocolate and lots of marshmallows!

Looking down at sliced ​​S'mores bar cookies on a cutting board

I recently rediscovered this recipe for S’mores Cookie Bars. After trying these nostalgic and addictive treats again, I’m not sure why they ever crossed my mind. These bars nail the classic s’mores flavor by starting with a graham cracker crust. A soft and thick chocolate chip cookie base overflows with gooey Hershey’s chocolate and marshmallows on the crust.

Enjoy these rich and chewy s’mores cookie bars as they are, or go crazy and serve them a la mode with vanilla bean ice cream. I Love brownies and cookie bars, bringing the best of each world into my recipe for Chocolate Chip Cookie Brownie Bars, aka “Brookies”. And warm turtle brownies are also delicious with a scoop of ice cream.

Why this recipe works

  • Easy to make with a list of ingredients you may already have in your pantry.
  • They look especially delicious with pieces of Hershey’s bars pressed into the top halfway through the baking process. Plus more chocolate!
  • No campfire or blowtorch is required to make these s’mores bars.
  • No repeated cookie scooping is required.
  • Ideal for potlucks, holidays and serving to a group.

what you will need

Be sure to scroll down to the recipe card for measurements and full instructions!

For the crust:

  • Graham Crackers The classic Honey Maid brand is always great for these, but any brand will do.
  • Butter – Unsalted butter is best unless you prefer a salty-sweet flavor combination. Butter helps bind the crust together.
  • Sugar

For the cookie layer:

  • Mini Marshmallows – Adds deliciously gooey marshmallows.
  • chocolate chips – Semi-sweet chips offer an ideal balance of sweetness and creaminess.
  • Hershey bars – Chunks of it are pressed into the tops of the bars for maximum chocolate flavor.
  • Butter – Unsalted butter is preferable for the cookie layer since the recipe includes salt.
  • Sugar – Sweetens this cookie bar and helps it stay moist over time.
  • Brown sugar – It helps with moisture retention, adds chewiness and a hint of caramel flavor.
  • eggs – Bind the ingredients together so the cookie doesn’t get too crumbly.
  • vanilla – Adds its signature aromatic flavor. Use pure vanilla extract.
  • Flour – All-purpose flour makes a sturdy but tender cookie.
  • baking powder
  • Salt

How to Make S’mores Cookie Bars

  1. Make the crust by mixing together the graham cracker crumbs, melted butter, and sugar. Press into the bottom of your prepared 9×13-inch baking pan.
  2. Bake the crust at 350°F for 7 minutes. Let it cool down.
  3. In the meantime, make the biscuit base. Cream together the butter and sugar. Be patient, it may take 2-3 minutes for the mixture to become fluffy. Then stir in the eggs and vanilla until the eggs are fully incorporated.
  4. Stir in the dry ingredients until combined, then fold in the chocolate chips and marshmallows.
  5. Spread the cookie dough over the graham cracker crust. Bake 15 minutes. Cover the bars with the broken pieces of Hershey bars, then return to the oven and bake for another 20-25 minutes.
  6. Remove and let cool completely before slicing.

recipe tips

  • Do you love dark chocolate? Instead, use dark chocolate chips along with pieces of your favorite dark chocolate bar instead of Hershey’s bar.
  • If you find that the cookie dough is difficult to spread on the graham cracker crust, lightly wet your fingertips and squeeze the dough out with your hand.
  • Be sure to let the bars cool to room temperature before slicing. That’s because cutting through warm chocolate and melting marshmallows makes a colossal mess!
  • Want a shortcut? Use store-bought cookie dough! Just mix in marshmallows as you push it into the pan.

And if you want traditional s’mores in the middle of winter, you can make my Oven S’mores!

Where I live they don’t sell graham crackers. What can I use instead?

Graham crackers can be substituted for digestive biscuits or maria biscuits in a pinch. Graham crackers are sweet crackers/cookies/cookies that use graham flour (hence the name) which originated in the United States.

How to save

  • room temperature – Store these bars at room temperature in an airtight container. Eat within 2-3 days. However, if your home is warm, store them in the refrigerator instead.
  • Refrigerate – Store the completely cooled bars in an airtight container in the refrigerator. They taste best at room temperature, so let them sit for 15 minutes before eating for best results. Store in the fridge for up to a week.
  • freezing – Freeze the baked, cooled, and sliced ​​s’mores cookie bars in an airtight, freezer-safe container. Place strips of wax paper between the layers to keep them from sticking together. Store up to 3 months.

preparation time
15 minutes

cooking time
45 minutes

total time
1 hour



  • 1 1/2 cups graham crackers, (1 sleeve), crushed

  • 1/3 cup unsalted butter, melted

  • 1/4 cup granulated sugar

cookie layer

  • 1 cup unsalted butter, softened

  • 3/4 cup granulated sugar

  • 3/4 cup light brown sugar

  • 2 whole large eggs

  • 1 teaspoon vanilla extract

  • 2 1/4 cups all-purpose flour

  • 1 teaspoon of salt

  • 1 teaspoon baking powder

  • 1 1/4 cup mini marshmallows

  • 1 (12 oz) bag of semi-sweet chocolate chips

  • 3 Hershey Bars, broken into pieces


  1. Preheat oven to 350ºF. . Line a 13×9 baking pan with foil. Put aside
  2. Mix together the graham cracker crumbs, melted butter and sugar. Press onto the bottom of the prepared pan. Bake for 7 minutes until lightly golden brown. Allow to cool slightly.
  3. Cream the butter, sugar and brown sugar in an electric mixer until light and fluffy, at least 2 minutes.
  4. Add eggs and vanilla, beating until fully combined.
  5. Mix in the flour, salt, and baking soda until the flour just disappears.
  6. Using a spatula, fold in the chocolate chips and marshmallows.
  7. Spread the cookie dough over the graham cracker crust. Bake 15 minutes. Top with broken pieces of Hershey Bars.
  8. Return to the oven and bake for another 20-25 minutes, until set and golden brown.
  9. Remove and let cool completely before slicing.

Nutritional Information



serving size

24 servings

amount per serving

calories 242total fat 13gSaturated Fatty Acids 6gtrans fat 0gunsaturated fat 5gcholesterol 35mgsodium 235mgcarbohydrates 31gfiber 1gSugar 18gprotein 2g

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