S'mores Cookie Bars Recipe will change how you think about dessert bars. These bars pack all the gooey, chocolatey, and marshmallow goodness of classic s'mores into a chewy cookie form that you can enjoy anytime, no campfire required. Curious how to make them? Stick around—I’m about to spill all the secrets.
Why You Should Try S'mores Cookie Bars Recipe
Ever craved s'mores but didn’t want to deal with a campfire or melting chocolate over a flame? These bars solve that problem. They combine the crunch of graham crackers, the sweetness of marshmallows, and rich chocolate chunks into one easy-to-handle treat. Plus, they bake up quickly and make a great crowd-pleaser for parties or just a cozy night in.
I first made these bars when I wanted a simple dessert for a backyard get-together. The result? Everyone asked for seconds and the recipe has been a staple ever since. If you love s'mores but want something less messy and more portable, this is your go-to.
Variations I’ve Tried and Loved
I like to switch things up depending on my mood or what’s in the pantry. Here are some tweaks that worked well:
- Swap milk chocolate chunks for dark chocolate if you want a richer flavor.
- Add a handful of chopped nuts like pecans or walnuts for some crunch.
- Use mini marshmallows on top instead of mixing them in for a toasted effect.
- Toss in a sprinkle of cinnamon or a dash of espresso powder for a subtle twist.
Have you ever tried adding peanut butter chips? They add a creamy, nutty surprise that pairs beautifully with the classic s'mores combo.
Ingredients You’ll Need
Here’s what you’ll want to gather before getting started:
- 1 cup unsalted butter, melted
- 1 cup brown sugar, packed
- 1/2 cup granulated sugar
- 2 large eggs
- 2 teaspoons vanilla extract
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 1/2 cups graham cracker crumbs (about 10 full sheets crushed)
- 1 1/2 cups chocolate chunks or chips
- 1 1/2 cups mini marshmallows
Having these on hand will make the process smooth and keep you from running to the store mid-bake—been there, done that!
How I Make S'mores Cookie Bars
Follow these steps for bars that come out just right:
- Preheat your oven to 350°F (175°C). Line a 9×13 inch pan with parchment paper for easy removal.
- In a large bowl, whisk melted butter with brown sugar and granulated sugar until combined.
- Beat in eggs and vanilla extract until smooth.
- In a separate bowl, mix flour, baking soda, salt, and graham cracker crumbs.
- Gradually add the dry ingredients to the wet, stirring until just combined.
- Fold in chocolate chunks and half of the mini marshmallows.
- Spread the batter evenly into the prepared pan.
- Sprinkle the remaining marshmallows on top.
- Bake for 25 to 30 minutes, or until the edges are golden and marshmallows turn lightly toasted.
- Let cool completely before cutting into bars to avoid gooey mess.
Pro tip: Don’t overbake! You want the bars chewy, not dry.
Serving Ideas for S'mores Cookie Bars
These bars shine on their own, but here are some ways to jazz them up:
- Serve warm with a scoop of vanilla ice cream for an indulgent treat.
- Drizzle with caramel or chocolate sauce for extra sweetness.
- Pair with a cold glass of milk or a cup of coffee.
- Wrap individual bars for easy grab-and-go snacks or lunchbox treats.
I once brought these to a potluck, and they disappeared faster than I could say “marshmallow.” Trust me, they’re crowd-pleasers.
Holly’s Pro Tips for S'mores Cookie Bars
Over the years, I’ve learned a few tricks to make these bars even better:
- Use fresh marshmallows. Stale ones won’t melt or toast properly.
- Crush graham crackers finely but not to powder; a little texture adds to the bite.
- For extra gooeyness, add a few marshmallows halfway through baking.
- Let the bars cool fully before slicing to keep them neat.
- If you like a smoky flavor, toast the marshmallows on top with a kitchen torch after baking.
These little hacks make a big difference in taste and presentation.
Leftovers
If you have any bars left (big if), store them in an airtight container at room temperature. They stay good for about 3 days but rarely last that long in my house. You can also freeze them wrapped tightly for up to 2 months. Just thaw at room temperature before enjoying.
Common Mistakes to Avoid
Here are some pitfalls I’ve stumbled into and learned from:
- Overmixing the dough makes the bars tough instead of soft and chewy.
- Skipping the parchment paper lining can make cleanup a nightmare.
- Baking too long dries out the marshmallows and cookie base.
- Using the wrong size pan throws off baking time and texture.
- Forgetting to cool before slicing results in sticky, messy bars.
Avoiding these keeps your bars perfect every time.
Nutrition Facts (per serving)
- Calories: 320 kcal
- Carbohydrates: 45 g
- Protein: 3 g
- Fat: 14 g
- Fiber: 1 g
- Sugar: 28 g
These bars lean on the indulgent side, but hey, sometimes you deserve a sweet treat that hits all the right notes. Enjoy!
S'mores Cookie Bars Recipe
Ingredients
Instructions
- Preheat the oven to 350°F (175°C). Grease and flour a 9x13 inch baking pan.
- In a medium bowl, whisk together the flour, baking soda, and salt; set aside.
- In a large bowl, cream together the butter, brown sugar, and granulated sugar until light and fluffy.
- Beat in vanilla extract and eggs one at a time, mixing well after each addition.
- Gradually blend in the dry ingredients.
- Spread half of the cookie dough evenly in the prepared pan.
- Sprinkle half of the graham cracker crumbs, followed by half of the chocolate chips and marshmallows.
- Top with remaining dough, then remaining graham cracker crumbs, chocolate chips, and marshmallows.
- Bake for 25–30 minutes or until golden brown and marshmallows are toasted.
- Allow to cool completely before cutting into bars.