S’mores Cookie Bars

The gooey melt of chocolate and marshmallow, enveloped in a buttery cookie crust, is a taste of nostalgia. These S’mores Cookie Bars are an effortless dessert that combines the beloved flavors of s’mores into a chewy, delightful treat. In just under an hour, you’ll have a batch of these bars ready to satisfy your sweet tooth—a perfect dessert for sharing.

This recipe is perfect for families, friends, or anyone who loves a sweet snack. It’s an ideal choice for bake sales, potlucks, or cozy movie nights. You can make them ahead of time, and they store well, making them a great treat to keep around.

Why You’ll Love This Recipe

• Chewy cookie base pairs perfectly with melted chocolate.
• Mini marshmallows create a gooey, satisfying layer.
• Quick to prepare and bake, ready in under 30 minutes.
• Perfectly portioned for sharing and entertaining.

What You’ll Need

Gather these simple ingredients for a delicious dessert:

For the Cookie Base

• 1 cup unsalted butter, softened
• 1 cup brown sugar
• 1/2 cup granulated sugar
• 1 teaspoon vanilla extract
• 2 large eggs
• 2 1/2 cups all-purpose flour
• 1 teaspoon baking soda
• 1/2 teaspoon salt

For the Filling

• 1 cup chocolate chips
• 1 cup mini marshmallows
• 1 cup graham cracker crumbs

Use light or dark brown sugar interchangeably.

Substitutions & Swaps

• Unsalted butter can be replaced with margarine.
• Granulated sugar can be replaced with coconut sugar.
• Mini marshmallows can be substituted with regular marshmallows, cut down to size.
• Chocolate chips can be swapped for milk or white chocolate.

How to Make It

Get ready to make a delicious batch of cookie bars!

1. Preheat

Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking pan.

2. Cream

In a large mixing bowl, cream together the butter, brown sugar, and granulated sugar until light and fluffy.

3. Beat

Beat in the vanilla extract and eggs until well combined.

4. Whisk

In another bowl, whisk together the flour, baking soda, and salt. Gradually add the dry ingredients to the wet mixture and stir until just combined.

5. Fold

Fold in the chocolate chips and graham cracker crumbs until evenly distributed.

6. Layer

Spread half of the cookie batter into the prepared pan, then layer the mini marshmallows on top. Spread the remaining batter evenly over the marshmallows.

7. Bake

Bake for 25-30 minutes, or until the top is golden brown. Timing may vary, so check for doneness.

8. Cool

Allow to cool before cutting into bars. Enjoy your S’mores Cookie Bars!

How to Store It

Fridge: store in an airtight container for up to 5 days.
Freezer: yes, they freeze well for up to 3 months.
Reheat: microwave for 10-15 seconds to warm.

Tips for Best Results

• Ensure the butter is softened for consistent mixing.
• Don’t overmix the dough once you add the dry ingredients to maintain a chewy texture.
• Allow the bars to cool completely for cleaner cuts.
• Serve warm for the best gooey experience.

Serving Suggestions

• Pair with a scoop of vanilla ice cream for dessert.
• Enjoy them with a glass of cold milk.
• Great for outdoor gatherings or campfire treats.