Name: S'mores Cookie Bars
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 1/2 cup butter; 1/3 cup brown sugar; 1/4 cup granulated sugar; 1 egg; 1 tsp vanilla extract; 1 1/2 cup all-purpose flour; 1/2 cup graham cracker crumbs; 1/4 tsp salt; 3/4 tsp baking soda; 5 Hershey chocolate bars; 1 1/2 cup marshmallow fluff

Jump to Recipe

S’mores Cookie Bars bring together everything you love about classic campfire treats in one easy dessert. With layers of soft cookie dough, melted chocolate, and gooey marshmallow creme, these bars deliver rich flavor in every bite. If you enjoy a simple yet indulgent treat, this recipe fits perfectly into your baking routine. Plus, you can make these S’mores Cookie Bars quickly with pantry staples, which makes them ideal for any occasion.

Story

I first made S’mores Cookie Bars when I wanted the flavor of traditional s’mores without needing a campfire. Since then, this recipe has become a go-to for gatherings and weekend baking. The combination of buttery cookie dough, melted chocolate, and marshmallow creme creates a layered dessert that feels both nostalgic and satisfying. Whenever I prepare S’mores Cookie Bars, the aroma alone fills the kitchen with warmth. Because they are easy to assemble, I often choose this recipe when I need a dependable dessert that always impresses.

Ingredients

1/2 cup butter, softened (salted or unsalted)
1/3 cup brown sugar
1/4 cup granulated sugar
1 egg
1 teaspoon vanilla extract
1 1/2 cups all-purpose flour
1/2 cup finely crushed graham crackers (about 3.5 sheets)
1/4 teaspoon salt
3/4 teaspoon baking soda
5 standard Hershey chocolate bars
1 1/2 cups marshmallow fluff

Step-by-Step Instructions

Preparing the Ingredients

Start by preheating your oven to 350°F and lining an 8×8-inch baking pan with parchment paper. In a mixing bowl, cream together the butter, brown sugar, and granulated sugar until smooth. Then add the egg and vanilla extract, mixing until fully combined. Next, stir in the flour, graham cracker crumbs, salt, and baking soda until the dough forms without overmixing.

Cooking Instructions

Press half of the dough evenly into the prepared pan. Remove it with the parchment paper and place it in the freezer while you prepare the remaining dough layer. Re-line the pan and press the remaining dough evenly. Lay the chocolate bars across the surface, breaking them as needed to fit. Spread the marshmallow fluff over the chocolate layer. Then carefully place the chilled dough layer on top. Bake for 25 minutes, and allow the bars to cool completely before slicing.

Tips for Perfect Results

Common Mistakes to Avoid

Avoid overmixing the dough because it can make the bars dense instead of soft. Also, do not skip chilling the dough layer, as it helps keep the layers intact during assembly. Another common issue comes from cutting the bars too soon, so always let them cool fully to maintain clean layers.

Pro Tips for Better Flavor

For richer flavor, use high-quality chocolate bars and fresh graham crackers. Additionally, slightly warming the marshmallow creme before spreading makes it easier to layer evenly. If you prefer a deeper taste, try using dark chocolate instead of milk chocolate.

Serving and Storage

How to Serve

Serve S’mores Cookie Bars slightly warm or at room temperature for the best texture. These bars pair perfectly with a glass of milk or a scoop of vanilla ice cream, making them ideal for dessert tables or casual gatherings.

How to Store Leftovers

Store leftover bars in an airtight container at room temperature for up to three days. For longer storage, refrigerate them and reheat slightly before serving to bring back the soft texture.

Conclusion

S’mores Cookie Bars offer a simple way to enjoy a classic flavor combination in a convenient form. With minimal prep and dependable results, this recipe fits perfectly into any baking routine. Try it once, and it will quickly become a favorite dessert you return to again and again.

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Frequently Asked Questions

Can I use regular marshmallows instead of marshmallow creme?

Yes, you can use regular marshmallows, but they may not spread as evenly as marshmallow creme. For best results, cut them into smaller pieces before layering.

Can I make these ahead of time?

Yes, you can prepare S’mores Cookie Bars a day in advance. Store them properly, and they will maintain their flavor and texture.

Can I double the recipe?

Absolutely. Double the ingredients and use a larger baking pan, adjusting the baking time slightly as needed.